Mid exam - Icivil-Hu

Nov 10th, 2007
Instructor:Nabeel ALassaf
Form A
University of Jordan
King Abdullah School of Information Technology
Department of Computer Science
Computer Skills II (Scientific Faculties) / Midterm Exam
Student Name:
Section No.:
Student ID:
Instructor.:
Note: Answer ques on 1 here.
Syntax Error
Correction
1
#include <iostream>;
#include <iostream>
2
Using namespace ;
using namespace std;
3
doubl av;
double av;
4
Else without if
Remove ; from end of if
5
For(int i=0;i<5;i+)
for(int i=0;i<5;i+)
6
For(int i=0;i<5;i+)
For(int i=0;i<5;i++)
7
cin<<number;
cin>>number;
8
<<number" Is Odd"<<endl;
<<number<<" Is Odd"<<endl;
9
Main function with no close brace
Add another } to the end of
program
10 number variable is not declared.
Add the following statement: int
number;
-١-
Instructor:Nabeel ALassaf
Nov 10th, 2007
Instructor:Nabeel ALassaf
Q1: Find and correct syntax error(s) in the following program.
(10 points)
#include <iostream>;
using namespace ;
void main ()
{
int a,b,max;
int x;
doubl av;
char z;
cout<<"Enter Two Integer Number:";
cin>>a>>b;
if(a>=b);
max=a;
else
max=b;
cout<<"Max="<<max<<endl;
For(int i=0;i<5;i+)
{
cout<<"Enter Integer Number:";
cin<<number;
if(number%2==0)
{
cout<<"Number "<<number<<" Is Even"<<endl;
else
cout<<"Number "<<number" Is Odd"<<endl;
}
}
-٢-
Instructor:Nabeel ALassaf
Form A
Nov 10th, 2007
Instructor:Nabeel ALassaf
Q2: What is the Output of the following Code Segments?
void main()
{
int x , y; double z;
string str = "";
char w;
Form A
(10 points)
Assume the input as
follows:
12 3.9 20
Hello
cin>>x>>z;
cin.get(w);
cin>>y;
getline(cin,str);
x += (str > "Hello" ? 10 : 100);
cout<<"x is:"<<x<<"\n"<<"y is:"<<y<<"\n"
<<"z is:"<<z<<"\n"<<"w is:"<<w<<"\n"
<<"str is:"<<str<<"\n";
}
void main()
{
int j = 12 , i = 4 ;
cout<<j--<<" "<<i<<'\n';
while( j > 9 )
{
switch( j ) {
case 10:
j++;
case 11:
cout<<(j % 5)<<" ";
case 12:
cout<<++j<<" ";
break;
default:
j += i/2;
break;
}
cout<<j<<"\n";
j -= 5; }
}
Stored Value For Each
Variable
x = 112
y = 20
z = 3.9
w = space
str = Empty String
Output
12 4
1 12 12
-٣-
Instructor:Nabeel ALassaf
Nov 10th, 2007
Instructor:Nabeel ALassaf
Form A
Q3: Write a C++ code to read a group of integer values and calculate
the average of only even ones. The input should terminate at the time
of input for a negative integer.
(5 points)
#include<iostream>
using namespace std;
void main()
{
#include<iostream>
using namespace std;
void main()
{
int val, counter = 0;
è1 mark
double sum = 0 , avg;
cout<<"Enter a value: ";
è1 mark
cin>>val;
while(val >= 0)
è1 mark
{
if(val%2 == 0){
è1 mark
sum += val;
counter++;
}
cout<<"Enter a value: ";
cin>>val;
è1 mark
}
if(counter != 0)
{
avg = sum / counter;
è1 mark
cout<<avg<<'\n';
}}
-٤-
Instructor:Nabeel ALassaf
Instructor:Nabeel ALassaf
Nov 10th, 2007
Form A
Q4: Write a C++ code to input an integer value (assume its name is N)
and calculate the summation for the first N terms of the following
series: (Note: Don't use Pow function in your solution)
(5 points)
1
1
+
2
+
1
+
4
1
8
+
1
16
#include<iostream>
using namespace std;
void main()
{
double sum = 0;
è1 mark
int N, x = 1;
cout<<"Enter Number of terms:";
cin>>N;
è1 mark
è1 mark
for(int i = 1; i <= N ; i++)
{
sum += 1 / x;
x *= 2;
è1 mark
}
cout<<sum<<'\n';
è1 mark
}
-٥-
Instructor:Nabeel ALassaf
+
….
Instructor:Nabeel ALassaf
Nov 10th, 2007
Form B
University of Jordan
King Abdullah School of Information Technology
Department of Computer Science
Computer Skills II (Scientific Faculties) / Midterm Exam
Student Name:
Section No.:
Student ID:
Instructor.:
Note: Answer ques on 1 here.
Syntax Error
Correction
1
namespace std ;
using namespace std ;
2
Void main ();
void main ()
3
Char z;
char z;
4
if a>=b
if (a>=b)
5
for(int i=0;i<5;++)
for(int i=0;i<5;i++)
6
cin>>number
cin>>number ;
7
Else
else
8
<<number<<" Is Odd"endl;
<<number<<" Is Odd"<<endl;
9
return 0;
It should be removed because of
void main()
10 No end for main function
Place } at the end of main function
-١-
Instructor:Nabeel ALassaf
Nov 10th, 2007
Instructor:Nabeel ALassaf
Q1: Find and correct syntax error(s) in the following program.
(10 points)
#include <iostream>
namespace std ;
void main ();
{
int a,b,max;
int number,x;
double av;
Char z;
cout<<"Enter Two Integer Number:";
cin>>a>>b;
if a>=b
max=a;
else
max=b;
cout<<"Max="<<max<<endl;
for(int i=0;i<5;++)
{
cout<<"Enter Integer Number:";
cin>>number
if(number%2==0)
cout<<"Number "<<number<<" Is Even"<<endl;
Else
cout<<"Number "<<number<<" Is Odd"endl;
}
return 0;
-٢-
Instructor:Nabeel ALassaf
Form B
Nov 10th, 2007
Instructor:Nabeel ALassaf
Form B
Q2: What is the Output of the following Code Segments?
(10 points)
void main()
Assume the input as
follows:
{
int z , y; double x;
34 2.4 19
string str = "";
Computer
char var;
Stored Value For Each
cin>>z>>x;
Variable
cin.get(var);
x = 102.4
cin>>y;
y = 19
getline(cin,str);
z = 34
w = space
x += (str != "Computer" ? 100 : 10);
str = Empty String
cout<<"x is:"<<x<<"\n"<<"y is:"<<y<<"\n"
<<"z is:"<<z<<"\n"<<"w is:"<<var<<"\n"
<<"str is:"<<str<<"\n";
}
Output
void main()
{
7 18
int x = 18 , y = 7 ;
3 16 16
cout<<y<<" "<<x--<<'\n';
while( x > 12 )
{
switch( x ) {
case 17:
y++;
case 14:
cout<<(y % 5)<<" ";
case 12:
cout<<--x<<" ";
break;
default:
y += x/2;
break;
}
cout<<x<<"\n";
x -= 5; }
}
-٣-
Instructor:Nabeel ALassaf
Nov 10th, 2007
Instructor:Nabeel ALassaf
Form B
Q3: Write a C++ code to read a group of integer values and calculate
the average of only even ones. The input should terminate at the time
of input for a negative integer.
(5 points)
#include<iostream>
using namespace std;
void main()
{
#include<iostream>
using namespace std;
void main()
{
int val, counter = 0;
è1 mark
double sum = 0 , avg;
cout<<"Enter a value: ";
è1 mark
cin>>val;
while(val >= 0)
è1 mark
{
if(val%2 == 0){
è1 mark
sum += val;
counter++;
}
cout<<"Enter a value: ";
cin>>val;
è1 mark
}
if(counter != 0)
{
avg = sum / counter;
è1 mark
cout<<avg<<'\n';
}}
-٤-
Instructor:Nabeel ALassaf
Instructor:Nabeel ALassaf
Nov 10th, 2007
Form B
Q4: Write a C++ code to input an integer value (assume its name is N)
and calculate the summation for the first N terms of the following
series: (Note: Don't use Pow func on in your solu on)
(5 points)
1
1
+
2
+
1
+
4
1
8
+
1
16
#include<iostream>
using namespace std;
void main()
{
double sum = 0;
è1 mark
int N, x = 1;
cout<<"Enter Number of terms:";
cin>>N;
è1 mark
è1 mark
for(int i = 1; i <= N ; i++)
{
sum += 1 / x;
x *= 2;
è1 mark
}
cout<<sum<<'\n';
è1 mark
}
-٥-
Instructor:Nabeel ALassaf
+
….
Nov 10th, 2007
Instructor:Nabeel ALassaf
Form C
University of Jordan
King Abdullah School of Information Technology
Department of Computer Science
Computer Skills II (Scientific Faculties) / Midterm Exam
Student Name:
Section No.:
Student ID:
Instructor.:
Note: Answer ques on 1 here.
Syntax Error
Correction
1
using name std ;
using namespace std ;
2
cin>>a,b;
cin>>a>>b;
3
max variable is undeclared
Add the following statement:
max;
4
cout<<"Max=<<max<<endl;
cout<<"Max="<<max<<endl;
5
for( i=0;i<5;i++)
for(int i=0;i<5;i++)
6
cout>>"Enter Integer Number:";
cout<<"Enter Integer Number:";
7
If(number%2=0)
If(number%2==0)
8
If(number%2=0); causes else
statement being without if
if(number%2=0) [ remove ; from the
end of if statement ]
9
<<number<<" Is Even"<<end;
<<number<<" Is Even"<<endl;
return 0;
It should be removed because of void
10
main()
-١-
Instructor:Nabeel ALassaf
int
Nov 10th, 2007
Instructor:Nabeel ALassaf
Q1: Find and correct syntax error(s) in the following program.
(10 points)
#include <iostream>
using name std ;
void main ()
{
int a,b;
int number,x;
double av;
char z;
cout<<"Enter Two Integer Number:";
cin>>a,b;
if(a>=b)
max=a;
else
max=b;
cout<<"Max=<<max<<endl;
for( i=0;i<5;i++)
{
cout>>"Enter Integer Number:";
cin>>number;
if(number%2=0);
cout<<"Number "<<number<<" Is Even"<<end;
else
cout<<"Number "<<number<<" Is Odd"<<endl;
}
return 0;
}
-٢-
Instructor:Nabeel ALassaf
Form C
Nov 10th, 2007
Instructor:Nabeel ALassaf
Q2: What is the Output of the following Code Segments?
void main()
{
int x , y; double z;
string str = "";
char w;
Form C
(10 points)
Assume the input as
follows:
56 13.9 29
Good
cin>>x>>z;
cin.get(w);
cin>>y;
getline(cin,str);
y += (str > "GOOD" ? 20 : 50);
cout<<"x is:"<<x<<"\n"<<"y is:"<<y<<"\n"
<<"z is:"<<z<<"\n"<<"w is:"<<w<<"\n"
<<"str is:"<<str<<"\n";
}
void main()
{
int k1 = 14 , k2 = 6 ;
cout<<k2--<<" "<<k1<<'\n';
while( k1 > 11 )
{
switch( k1 ) {
case 14:
k1++;
case 13:
cout<<(k2 % 5)<<" ";
case 12:
cout<<++k2<<" ";
break;
default:
k2 += k1/2;
break;
}
cout<<k1<<"\n";
k1 -= 5; }
}
Stored Value For Each
Variable
x = 56
y = 79
z = 13.9
w = space
str = Empty String
Output
6 14
0 6 15
-٣-
Instructor:Nabeel ALassaf
Nov 10th, 2007
Instructor:Nabeel ALassaf
Form C
Q3: Write a C++ code to read a group of integer values and calculate
the average of only even ones. The input should terminate at the time
of input for a negative integer.
(5 points)
#include<iostream>
using namespace std;
void main()
{
#include<iostream>
using namespace std;
void main()
{
int val, counter = 0;
è1 mark
double sum = 0 , avg;
cout<<"Enter a value: ";
è1 mark
cin>>val;
while(val >= 0)
è1 mark
{
if(val%2 == 0){
è1 mark
sum += val;
counter++;
}
cout<<"Enter a value: ";
cin>>val;
è1 mark
}
if(counter != 0)
{
avg = sum / counter;
è1 mark
cout<<avg<<'\n';
}}
-٤-
Instructor:Nabeel ALassaf
Instructor:Nabeel ALassaf
Nov 10th, 2007
Form C
Q4: Write a C++ code to input an integer value (assume its name is N)
and calculate the summation for the first N terms of the following
series: (Note: Don't use Pow func on in your solu on)
(5 points)
1
1
+
2
+
1
+
4
1
8
+
1
16
#include<iostream>
using namespace std;
void main()
{
double sum = 0;
è1 mark
int N, x = 1;
cout<<"Enter Number of terms:";
cin>>N;
è1 mark
è1 mark
for(int i = 1; i <= N ; i++)
{
sum += 1 / x;
x *= 2;
è1 mark
}
cout<<sum<<'\n';
è1 mark
}
-٥-
Instructor:Nabeel ALassaf
+
….
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2) if ( atz=L ll b>6) cout <<'8";
3) if ( !(c==s)lla<b ) cout8C";
4) if ( !(a+3>b-2 && a--=c-2 ) cout << D ;
5) if ( a/>lll {cca} ) cout <C'E";
. .r:i 6lrYl
. 6bl-.
!b1,,.
t+Ji
f5;5..a irJlJhI
4jy 1rl j^.rll
e,!ti1j$l
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- Lgulr ;rral
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lJ,il
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- (,r J$rdl &Jrq + fj4iJ 'J!B
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u*,!i
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:
07919956314
Q17) what is
aJrE
thlfinal
value
2010 Cr-+
: 3g-!t Slc!
Al-dr Lr-jl
j:"lt
eP
is 9 ?
of x if the lritial value of x
>=0P
x=x+1;
if(x>=1)
: =x'+2
if (x
-: -,1,#J
. 6..u;rJr
rriji ilt, ie 'rra ;r
vYt li,l 3 6Jit+' r-il
il"+
Syntax'Error
it'otl r-p' ri
q trl$i'
?
output of the C++ cqile
Q18) what is the
x=5 i .:
if(x>10)
{ tout << " ,,Hello " I
Y_ cout
--*rr,<< There. "areI
{
Ho*
You ? " I
" "
(
#sl
There' How are You ?
.
Lit
!.JPill 4L+l
iF J'u -)p r'gf
;31:l r !n:]l'4l,oll
ril
J
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rL ;'L'+ t5r
g"
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oY
: 0#
07919956314
2010
C*+
q's
ir'"lt
Ol-..or
uj-il
; 3u-ft st.r1
?
Q19) what is the output of the C+r cotle
@_m=2I; if (r"frim <= 10 )
.. if (num>=0)
r-
cout <<
-
" Num
is between 0 antl 10
"
;
else
cout <<
u.li sJl ,il
" Num is greater than 10 "
CY
ili
lir r
.'i-
LiJ+ rj -;5..
;
r''&l
'
.
t|l-+
.r*''ll
-;
crJS;Jl
SYntax
Error
rE 41
d!F:i
.r.r.*5 cl e;#t
:r'it tr'-:lt.r lrr. t'r+ i"'t^
Jl J,sl.J '
c'!
Q20) what is the output of the C++ cotle ?
alPha = 5 ;
cin >> beta ;
switch (beta)
{
casel: alPha=alPha+1;
case2:alPha=alPha+2;
case3:alPha=alPha+3;
default : alPha = alPha + 4 ;
-:.rlf+ll
Warring
Lls et.ria.l esl
ifn
liA J
oyr-J &."+ ,Jo
*r
eis,
d}J 6,lU.lg!
ql.J'L;t,J,gi
!{r o+f # t
07s19956314 z
0#
2010
Cl.+ e'l}"Jt
gt.-,,s
4,-:l
?
Q23) what is the output of the C++ code
age=50;
_
switch {hge > 21)
{
true : cout <<'I-egal Age";
break ;
case false.]cout <<'Below Legal Age";
break ;
<< "Bail InPut"l
:
cout
default
case
(I)
CB4 OI!i: ll.ri3'i j'r
?
Q24) what is the output of the C++ code
alPha = 3 ;
// Assume inPut is 5
>> bufa
"io
switch (beta)
;
{
i case 3 : alPha = alPha + 3 ;
\ case' C : alPha= alPha+ 4 ;
break;
default : alPha = alPha + 5 ;
]
t2
-: +l.r+lt
Syntax Error
i'r:. t3l ?J'r!q Lgiliall lJ'aljll tlrsl-'
; 3u-!l
rtel
079 t9956314
t C#
2010 C++
6t-,.,,r cF--ji
,j'|"":t
code ?
Q25) what is the output of the C+r
int base = 2,'result;
swilch @ase)
{
casel:result=base;
break;
case 2 : result t= base ;
break;
x
*
case 3 : result = base base base I
break;
J"frit , cout << "your base number is too large" << entlll
)
. ;1i".31 i-.el
,+tI ;is$
@r-r: (rrll s^
-3r-r.l9..ll
AI
4
lrll
EJ+
?
Q2Q what is the output of the C+i code
inti=1;
white(i<=5) cout <<
.
"i
is
'p<<+ti
{Lriiall
,l,.tll
e.t
<< endl ;
c'J (j-
e-r!S
qIS $r
'srr.,*
crL$i
I
'slLti
A"+ s! .i$1"'!l
jp
Slntax Error
r''b3inlll ll"atiJl s'rr':l
2010
o79 t9956314
C+r
e's
irl-a u/L-ii
i,-lt
: ir:*yt rt.p!
Q27) wlat is tbe output of the C++ code ?
inf -i = 1;
whiieli > o )
{
i ='i+j;
j--;
)
cout << i I
_:
. u4.li u.ati s..Jl
lil
.,.3
&lri1*l
ii
Jil,A ql cir.,F: !+J
/jI
+l:+ll
Slntax Error
s+
.#Jt
!n-.,JFi
*J
Q28) rvhat is the output of the C++ code ?
inti=1;
,'- while(i >0)fl
{*
i=+-t-i;
j-;
)
cout <<
i
;
.
&lr Ir.J
-: crlJ+ll
Syntax Error
.Lyill .q LEji:* lJ.G rj-,r;l
2010
o1g t9956314
cr+ '/
j#'ll
iJt-,,,r
or-ii
: 3g"tt
ltP!
?
of the C++ coile
what is the oqtpui
o29)-ioti=1;intj=1;
-
1*"('offi+
i:i:-i;
j++ ;
]
*"' ".t
-: -Jr+ll
i**
,r
r'r'q$:
p
1t"+ ov
&Jr ol-ulr
&u4
r
e^uvr ee cFl cru+rJ
iiiti
ilE'
?
of the C++ code
o30) what is the output
int i = 1; int i;. 1;
while ( > 0r)11
-
{i=++i;
j++;
i*t"i;
.
Ll#'$'
uJ
tr+tr $
L!"+ Of t
r.'"r''rl1!"roJ&!'illi6'u';lt1-Aeslrc4,,'Id:'i
Ol-'rr'rn
&Jr
07919956314
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Ol-,ir L1,,.-ii
2010 C++ eP i.".lt
Q31) what is the value of counter after the following statements executes ?
.50 $*ll 6..r.51 51
eSJl AYI OIJJlj|
a-t
+
l-,.\6.
-: +lrtll
&{ 51 eJt El4
: 3U-!t lt,p!
07919956314
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2010
C+r qI j*..J|
Ol-.ir cy-j
Q33) Suppose sum, num antlj are int variables , and the input is : 4
l+ ll+ e{-n
What is the output of the following eoile?
cin >> sum ;
cin >> num ;
7 12 9
-1
for(j=1;i<=3,i++)
{
ein >> num I
sum=Eum+num;
!
cout << sum << endl
;-Lji:. ,-!,.'+ A}3!
el j,r.
;
rl ia j€ill
_: +ls+ll
Lr+,!
'19 Al,r3.rll
it
+ ,Jitr
a!3fi.
iJ.aG
Syntax Error
r.ru d+ . ,J-E .r.e..d
..!,i3
Q34) Suppose input is :
5 3 4 -6
8
What is the value printed by the following C++ cotle?
int sum = 0 ; int num ; int i ;
cin >> num I
for(j=1;j<=5,j#)
t
cin >> num ;
if(uum<0)continue;
l
!
sum = sum + num ;
cout << sum << endl I
-;
r-r.
lja.ll
07919956314
t 0#
2010 C++
5 3 4 '6 I
Q35) Suppose input is :
What is the value printett by the followiog
int sum = 0 ; int num ; inti ;
cin >> num I
rl.g
j#Jl
C+r
&1-,,a Lp.---ii ; iU-,!t
code?
for(j=1;i<=s,i++)
{
cin >> num;
if(uum<0)eontenue;
sum=srrm+num;
]
cout << sum << enill I
.
Q3O what is the output of the C+r code ?
for (outer = 'F' ; outer >= 'A' I outer--)
{
for (inner = 'A' I inner <= outer ; innerr-r)
{
)
cout << inner I
cout << tt \n
)
"
I
ili
Jinjs
Lgi
-; cr. ljqJl
Syntax Error
!,iill ;.,!xill S,
lt.lc,1
079 199563L4
:
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lil.eiJn
i,".lt
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: 3u-Yt rl.re!
Q37) what is tbe output of the C+r code ?
for (outer = 'F' I outer >= 'A' ; outer-)
{
for (inner = 'A' I inner <= outer ; inner+r)
t
cout << inner ;
)
cout << tt /u
I
"
;
_:
. gE!,.l ;.,f.11 gl.!ii-l J,4yl J i.Li l3a J OJ'ilt ,.i.p g* ( / )
lJl,il
+tJ+ll
dii-l
L:Y
Q38) what is the output of the following C++ code ?
int x = 7 ; bool found = false ;
do
t
tt tt I
if(x<=2)founal=true;
cout << x <<
elsex=x-5;
) while (x > 0 && lfound);
cout << endl ;
u" e3.1ill f-.!.LJ"r,ll 6!.iJ
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j
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19
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079 19956314
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C++ .;I
i+.ll
Al,-,jr
u*-ji
:
la.tt
rt,s!
Q39) what is the output of the following Cr-+ coile ?
t\tx=1 ; bool fotmd = false ;
do
t
cout << x <<
'
tt
tt
;
if(x<=2)found=true;
elsex=x-5;
)while(x>0&&lfound)
cout << endl I
C"uJCl
+i!
eq
f
Yl J
ifui,i. ii..Lq
-:+tJ+l
Syntax Error
,..{in
Oi
u+r drlr ;&+ ,ri 6Y
Q40) what is the output of the following C++ eoile ?
int x = 7 ; bool fotmd = false ;
do
{
cout << x <<
tt
tt
I
if(x<=2)found=true;
elsex=x-5;
]while(x>0&lfound)
cout << endl
;
, ( 4& ) lb $l ;JLrl tl.rii-l o--!
20
A q-U
-; .,. t3,;Jl
Syntax Error
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UoiversitY of Jordan
KASTT-'semester
CoEpBter
Date:
Second exam
I
Tioe: I hr
.
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SeatNumber:
Lecturer Narte:
Section #:
II
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retum 0;) "
voiit funQne([n1& a,.int
stafiq int
fir$=-z;
b){
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Q2) WriG C+F statements that do
riro RO'
.roD- -- . Lirs'
*&"k' Dollar'
a) Define an enum typ",."u,o'"y-dp", *it t['" viue-t
to
Ro
assign
typd currercvS'pe aird
b) Dec!6re. a variable .ver*-ii"!
1i.ile
myCurreucY.
ti'"o"-ent) mycurr€nsy to the ne:it value
"lTa"-*""
value of the variable myCurrency'
tle
d) Ougut
Mv answer
;t'f
B)
'.....(t? L
r( );
x-=o'?t
in tbe list'
i'z
b)
")
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rr\
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the variable
J,i
iE
of the for}o,iDg ProgEaD
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e
'
int main
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f
i,u;
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roat
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e
4
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t
o
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i
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x=a+b++/"t1lil:lii.."...iai'?y'o
;
(2) <<x<<end't'
cout<<s etprecis ion
y = x-3 /2+3.5;
--
.out<<Yr.
(@
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<i'dst'"""i>
---- #$"lode
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std.nam esPace;
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{
iDtEEEt count=0;
,to, l'
DOUBLE sum=0
/-..---/
6,9"r"JF'-9'
c-in<<num;
sum
:
= 1+2+3+4+5;
go-unt =sum+num;
rcturn
)
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0f Jorilan
UniversitY
KASIT
S:ilH'::"'#'#ill#ff1
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nams o"-','oi..Fst.No,
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'Lecturer:
Scction:
rffi P#*:il;?iii];:,tmlFr"r.f,li:lir#";ffi;f"n'ri;it5p"'*'n-
Etffi**,i'****t
int
funcAtrPha
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'
E_ " ?:T"l,l""t[:tfi!',ilY'*.,
.
v. inL y) i
i
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i.
t
and
then arrer rnE
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t?
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code
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is
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different values
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to use urrrvr-!'
programmer
>grammer
thc
-'rn, -e',Jl;-allow
'r 12. Paraficters
,-"it;^f-L:[- 4-u
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ncxt ti tlrc qucsion nuuber
the.statenten!
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or
an",eeis
qucstio't' Place your ansver in lhe sPact
'he
!
r
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il;i
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-t
C, 13.
Whst is tlle value
of counter
o'ecutes?
after the following statcmcnts
3rr
couDter = 0i
(cou4t'er <= 50)
rhile
+ 3i
counte! = cqunter
.
:.
|:
rS
t9.
b. 50
IcI 51
-rt-
,i
1l
None of thesc
-g_. 14. r.,._Xl.",,i.n:Hf,nr"f"rd.,iilil:;?jitre*.andthcinPutis:
{ ? Lz e
-1
cin>>sutli
cin>>nurni
;;;ij-= i' j
I
r,
<=
3'
j++)
sr,- = t{i tZ --t1 *1+
cin>>numi
-l
Suln=SUm+num;
lout<< sun<<endt ;
@ 24'
b. 25
c. 41
o. 4z
Q-. 15.
5 3 4 -6 I
tbe following
What is the valuc printeil by
int j,
ini sur = 0;j int num;
j++)
{
i"rti = 1; <= s,
cin>>num;
o] continuei
['i;;;'
SuPPoseinPutis:
sum = sulrl + nuni'
'1.
..
3*'.
=
code?
q
=t j-t=
-_ tz.
.
I
Z
3
i-u
j- E
-- 20
couE<<sum<<endI;
@zo
b.
c.
d.
C#
14
12
Nonc oftbese
C* -code?
is the outPut of the follow'lDg
J. 16.
'-' What
false;
found
=
lool
7;
i;; | =
dol
cout<<x<<" ";
if (x <= 2) found E truet
er;e x = x - 5'
(x > O ee lfound);'
!,,hile
)
rtrl
X=?
x =2
€
.l
cout<<end1i
a.7
b.2't
c.72
@ None ofthese
i
:
'.1
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:t.
rii.
!:!.i
.
'
r-i
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ofthc expression 25 Th"
J
2l:
--'14
r
--.v"ol'o
3'
+1
is:
il
@25
d. 22.
v'
"'
Suppose
that alPha isa double
valiabl?' What is thc
frr":':g..Eii!,!6--*>
oi r
@ alPna = zt'"
b. alPha = zr't
c. alPha = 22'0
d' None of tlrese
b.
23.
*tt * tj::" *tbe
following statcmcnt
zt' 'ilr'
'',,
.
.'""
,r^,rrr't
p twor bool ;our;
:
3ii:il'"r,i:l;ffi,rnl,"#,i.1",i"Lenaarevarid?
ti il
iilil
i
2'3 + 3') = Lwe'
fl"t = t2 <=' 31
'
;:;ry ii) is varid valid
tlil.are
6 iir""a'
rii'r encl (lar) are valid
'
-9:.
f,
c
'
. o
b. 1
^
;- ii;'';a (iii,
24. JupP,ose
dr_ ,.i
"'
are varid
thai\x,'i "?
l"l="ili"'E'
expression atwavs
$/'hich of the iollowing
i,.==ot
iilii-'=9r
Yll;ii
llXi6i
d. (x>0) EE(x==0)
:"-
.'
:
fragment ifthe
what is thc output ofthc following-code
Ii[';;--int
tt"''j-" t *'
l
inPut veluc
is
4?
alPha = 1o;
cLD>>num; '.
switch (nun)
t
1.". :: arPha++; breaki t
case 4:
g, alpha = alPha + 3;
".r.
:::: ;, ,i'"r,. = alpha + 4, bEeaki
aiptra = alPha + st
;;;ri;'
l'
cout<<alPha<<endl;
a.
13
b.
I{
c,
15
@
17
a"
-r
?'
f'\' \(/o
bt
,l
,:-r
i!
ii
ri
'tr
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Problem
lo.
i;
j,"Jlj:I H*."*Tff [
fi:::'"t#:,]!::'i:rH:]T'dfils:fr3itH'J:':"]H'
synd-e;ff;: iay attention tiend of lines' ;-
program must be comptete ano
-
b.t<<'x "
C-*-t<<
)
,, /aA
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i:.
+.
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perfornr the following
Q2) ltrrite an ellicient C++ Program to
ii iiiiJJiJGruslu.lelt)-e.s-'
-
Iind the hig[q5t grade fi)r each student (either first
or second) tlen find the average ofthe selected
hiqhest crades.
- From iire setecld highest grade for each student,
find how matry 8ot betlfEn I EQ to 9i].
Vol) mctin L
f
Ntnb@'n'n=#\
r,"l-
Fl""l F ,
Sec
.coLa
, 1o lral = d t averase
r.l"t
| {< " .'n
Ci1" --,) II i
tt/" of- s l-
)e.ntr s"'J!
t
:
ts+
[,," ( '"[l't ; \ <=N ' i )
l- {.d -€rnler }ho g ro.b ol \te li.sl
fr.,,.,
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1.tr.'7.'Y;
n ?r^Lt'/
a or[.(
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e rl ra
rte
el
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\ rr" 'i
5econJ exqn\y''t \
ci";)gcc i
max--Ei
i-(-re.>''n'z'()
- )<c '
\
! 1' ': '' h'' t1l. a
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qX
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+ -- I ;
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n va )'
6 r.r > oo
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1,u,,bcr
ol
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hi3lnesl 3rd'd'
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s lu'lc^t lh", I 5ol
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rn<< e'
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t
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// Print thc obicctr (using
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IJ
wtclas5tP.3(lc;sto'!''
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rite nrcthod (funcdon) dcfinition'
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t
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# include < iosbeam>
class5yctaE!
t int -ii
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ini get_i0 {rehrrn t;;'
main$
t
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obiects of t'vPc -"^r-'c
5
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b3 ilta"' lL4tt
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S,&at is the output of the folloiving program'?
#include <ios'ueasr>
usiog nar.nesPace std;
int x:
;6iIi"i.ici
1 ii,t&, int) ;
void minnie ( int , int& ) ;
. ilint main ( )
't
-i
':'.i'
.
intfi$t;
irrt
=5;
second
x:6;
'mickeY (first , seccnd ) ;
eoui<<{irst
' <<second
<4
minnie (firsi , second ) ;
couK<first <4 " <<seco.rd
'
retur:r
0;
)
void mickeY ( int&
i:l'
ini fus! ;
firs'r = b
)to
-='r+1\.t
= first + 41 ...
b
, ht&
v : lsecond
X = U *v;
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rl
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li
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r
int b);
+ i2;
void minnie ( int u
{
int second ;
secoad =
.
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g
cl--
fo
C,
v)
;
<4 '<<x<<endi;
<4
' <<x<<endl;
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in
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the
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of sciences , 'I' : collage
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nnds & prins the
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;t:
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bour costs 20 J'D's
;;u"g" of science and 15 for rT collage'
to"#f vio"' i"t"'ioe-t:f:99"*E-g!sl9t"--
Hint : you r,"r"
the amount that should be
paidl----
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tl
Q2.
What is tlre output of the following program ?
#include <iostream>
using namesPace std;
int x;
void mickeY ( int& , int ) ;
' void minnie ( int, int& ) ;
*#,.*ffiH#
int main ( )
t
It
iJ
int first
int s:cond
!".
'c.!"1.?14,
5;
-j'r..3 x = 6;
mickeY (first , second ) ;
cout<<first <4' " (<second
minnie (first , second ) ;
o
cout<<first <4 <<second
rehrm 0;'
=,{sfl
JJf,
''"f,tl!-'
:
)
void mickeY ( int&
',ti j .'. .
a,
int
€
'<<x<<endl;
(4
'<<x<<endl'
b);
{ htfust; ..-,,
fnst = 6
a:2* b:
'.t
"*:ilffi##
i-12;
b= fust + 4;
i
'lEi.
int u , int&
'1i-:"-"'-i . *o ':
void minnie (
t
.
int second;
,. second =
x;
v) ;
r- - !ro
it.-\
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I
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4
.
I
e+*
Exam, May 10,
L63o-3
@F*:*r"t'
L
The odtpqt of
-t
$q Cr+
code (Assumc'ill variables 4ro properly declaroC)
n = 1i
(l
Point)
*rtr*
;il:"'"'"'", r#-f$iF
,7r",,0
1
2. The output oflhe Cf+ codo (Assume all variables are propgdy dcclareql.)
cout<<'StI i
for (coun; = 5; coun! <= 3,; corint-- )
cout<<'ol
.couE<<'pt i
.
Output
is
(l Point)
:
3. What is fhe output ofthe following C++ code? (Assume all variqlles are propelly deglarqp.)
int
foo O i
A
.!- -
+b
(l
Pcint)
(l
Point)
'
coul<<foo
( ) <<end],
voj d main I
ccut<<foo O <<errdl, cout((foo 0 <<endl;
inE foo'( ) {
,
.rtBri
*.!,rc;f
)
&ffil#.,ix'*r*" P"i
i:.lii
i:lt,=,i,,'
turn xi
..
)
-j.elirP
r.e.
;Hlrrrorr.r
Wliit is.tic output ofrhe followinfl C'l+
code? (Assunre all variqbles arc propcrly declarcd-)
ii.
co'rnt t 1; '
nun = 25i
lrhile (count < 25)
a1 (
Output is
,25ala,J
'..
lrum
= nuni.:
/,/
1;
count++;
l
cout<<couDt<<" "<<num<<endI,
for instructoB
use onlv
$t,$J' llbJlilF'
2id.L1
'iruirU*'t+rt
r++t
Qr.
mrrsolJ
Writc
a
function prototype thst
d
t
kcs no pala$.elets.?
Q2
(l
Point)
Q]
Q4
call for thc filnolion giveir ih a. (l Point)
Q5
J
(l ioinr)
l.
Q6
Q7
olal
C". Ere-\
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tlz-
L7,
r
r"rtt< a s.'J|cl^ '1o frf^f ts tn it. 6o -"'t
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.
-'l
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t i+' r.,-r )
statemenl in linc 3 lo
rI- For thc code given betoY{, write a
q
ro"al identifier num' (2 Points)
Pdr *rc E6bal identificr nqm'
4nothcr stalcmqrt at
int ;ptiorthi
t
2
I
4
.)
<< ii4um
Co'tl<
rwrn
<'"41
i
I
)//end ofrnain
ofthe
6. Use enumeratioo to rePresent days
Ye4L:*^:ri\e
it
a
furction
will receive one day
at
oft
week as
r*i{cL
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alg (lc
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sr")' (t,J *'in1v)i !
I
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lu,'r" s-*f (d"Lle r ' &uLle
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s,,*P (
tc --
xi
'rJ feturn /',
.etucn
l(F
Y--
=
^.
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Ptot'1rl<
,r) i r*3 int lc--o.i
y 3 F-; r.f-.^
[(
f"*f''*^
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srGr cr-e{*1
a
Jorda-rr
Skills-2
No; f5'
May I0' 2003,
F.iA;',
1.
declared'X! Poim}'
Thc orbut of the Cr+ code (Assume aII vuiables gpp.roPerly
t'.:"::.:"::.,',*Si#SI
'
Wi;-
2'TheoutPutoftheC.l-+code(Assumeatlvariaclesarepropertydectared.)(1Pgint)
cout<<"St" i
ior (qount = 5i coiJrlt <= 3; couat--)
cout<<
'o'
;
cout<<rPri
Output is
d'r--,
vv/
-\t, .)
,,r'
For instructors
use
ry$itr4J$l,li$r
ol
Lr;nr*r.t'rflnld+l
all$Ii*r
.. !-: ;
'1"
l,
,i,. \ z
':'5'6-
nd trles no Parameters?
"
giveu
Write a firaction heading (firneljdn dcllamtion) for the same fiurcdon
\,
i!
a-
(1
Poilt) Q6
Q7
L
zoa
Q3.
Qs
m;n
,7b!;
V.; / 1l})_-4-I V";/
ti '- '----
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Point)
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'.i\,illM
,', i ".'.
(l
Q4'
gi{cn in aa- {I I
tunctioyi{en
thc lunction
firncdon
firnction call for the
Yasl n;n
'
Q2
voil m;"
Writ .
W.it
odv
Trtal
t,,r"a l_i
I
lllt
St Name
[.egtur6:
SeatNo.:
>
blanla:
,/
pass the
stateneat iD a called fimotion is used to
'tfue ,,.7,,,4.a
l,-';"h;;ia-r;*ri*5;ftotbecallingfirnctioa'
I I.
Q1) Fill in
, ry-r'@*.of
i: ffi ;##;;d r;i!G
an ideoriEet is lhe nortiotr of
txe-pJor:?l
IfJ5ffi*"*"6qffif
Q2)
Wlat
does the fpliowing
int xGnt
a,intb) '
/n/'u
"#*ffiils#
rctur!4
x(a,b-l)l
Fill even positioned array locations rruith odd numbers '3'5'7" "
suchthat A[0] = 13t'z1= 3'{il-*il&enurmbers
2,4,6,8,"'
And odd Positioned arraY loca
Such that A[1] = 2, A[3] = 4=..
b,
fis
=@
3u.
.i.
else
ir
elffit or*''"1 :
fii::ctior' do?
{ if (F =a)
rcturD a +
partiorlar
1
itT,';i*-jl.'" .-t*o t= t'+t:PwA,:
:ipff'
c,
Complete the following firactiou that
aumbers bY 2.
33
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1) all of the following are example of integer date type except:
a. int
c.bool
b. double
d.long
e.none of the above
2) the value of expression 26-3%14+1 is
a.0
c.24
b.23
d.25
e.none of the above
3) suppose that x is in int variable .chosse the value of x after the
following statement:
x=16+static_cast<int>(12.5)/2;
a.x=20 b.x=20.25
c.x=21 d. x=22
e.none of the above
4) diven
int one;
double tow;
bool four;
which of the following assignment are valid?
(i) one =7*3%4.0
(ii) 2.3+3.5\tow
(iii) four=(2<=3)
a.(i) and (ii) are valid
b.only (iii) is valid
e.none of the above
c. (ii) and (iii) are valid
d.(i) and (iii) are valid
5) choose the value after following statement :
cin >>x >>ch >>y;
a.
b.
c.
d.
e.
x=15 ch=A y=73.2
x=15 ch=a y=73.0
x=15 ch=A y=73
this statement result in error becase there no spaces in 15 and a
none of the above
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6) whate are the value after the following statement:
cin.get(ch1)
cin>>alpha
cin.get(ch2)
a. ch1=A
ch2=' '
b. ch1=A
ch2='1 '
c. ch1=A
ch2=' '
d. ch1=A
ch2=' \n'
e. none of the above
alpha=18
alpha=8
alpha=1
alpha=1
7) suppose that x=25.67 y=356.872 and z=7623.9634. whate is
the output of the follwing statement :
cout<<fixed<<showpoint
cout<<setprision(2)
cout<<x<<''<<y<<''<<z<<endl
a.25.67356.87 7623.96
c.25.67 .356.88 7623.79
e. none of the above
b.25.670.356.87 7623.97
e.25.670 356.876 7623.967
8) suppose that x is in int variable .which of the following
a.
b.
c.
d.
e.
expression always false:
(x>0>||(x<=0)
(x<0)&&(x==0)
(x>=0)&&(x<=0)
(x>=0)||(x==0)
none of the above
9) what is the output of the statement :
cout<<setfill('8')
cout <<"12345678901234567890"<<endl;
cout<<(5)<<"18"<<setw(7)<<"happy"<<setw(6)<<"sleepy"<<en
dl;
a.12345678901234567890
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***18 happy sleepy
b.12345678901234567890
***18**happy**sleepy
c.12345678901234567890
***18**happysleepy
d.12345678901234567890
***18**happy sleepy**
e. none of the above
10)
suppose x and y are int variable .consder the following
statement..
if (x>3)
y=1
if (x==3)
y=1
if (x<3)
y=2
what statement is Not equal to this cpde ?
a. if (x>=3)
y=1
else
y=2
b. y=(x<3)?2:1
c. if (x>3 && x==3)
y=1
else if (x<3)
y=2
d. y=(x>=3)?1:2
e. none of the above
11)
consider the following statement
int y=(12<5 ||9 <=12&&9>x)?2:3
a. 2
b. 3
c. 7
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d. 9
e. none of the above
12)
whate is the output of the following code fragment if
input 4
int num
int alpha=10
cin>>num
switch(num)
{
case 3:
alpha++
break
case 4:
case 6:
alpha=alpha+3
case 8:
alpha =alpha+4
default:
alpha=alpha+5
break
}
cout<<alpha
a. 13
b. 14
c. 17
d. 22
e. none of the above
13)
what is the output following c++ code:
num=11
while (num%)
NUM+NUMCOUT <<NUM--<<ENDL
a. 0
b. 6
c.8
d.22
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14) what is the output of the following code ?
int x=0
int i
for(i=0;i<4;++1)
x++
if (x=3)
cout <<"***"
cout<<endl
a. *
b. **
c. ***
d. ther is no input
e. none of the above
15) what Is the output of the following c++ code
for(int x=2;x<10)
{
x*=2.5
cout <<x%2<<" ";
a. 001
b. 010
c. 110
d. 100
e. none of the above
16) ssuse all variable are propy declared .what is the output of
the following c++ code?
Num=100
While(num<=160)
Num=num+5
Cout<<num<<endl
a. 150
b. 155
c. 160
d. 165
e. none of the above
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17)suupose sum and num are int cariable ,and the input is 18 25
60 -11 -1.what is the output of the following code ?
sum=0
cin>>num
while (num!=-1)
{
sum=sum+num
cin>>num
}
cout<<sum<<endl
a. 92
b. 109
c. 110
d. 119
e. none of the above
18)suppose that the input is 5
int sum=-2
int num
int j
for (j=1;j<=5;j++)
{
cin>>num
if (num<0)
sum-=num
else
sum+=num
}
cout<<sum<<endl;
3
a. 20
b. 22
c. 24
d. 26
e. none of the above
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-6
8 whate is output
Q2)
Write the c++ programe that prompt the user to read 50 integer
then count how many number are odd even and zero?
#include <iostream>
#include <string>
using namespace std;
int main()
{
int c;
int sum;
string res;
int sum;
for(c=1;c<=50;x++)
cin>>num;
if(num%2)==0
res="even";
else if (num%2)!=0
res="odd";
else if (num==0)
res="zero";
c=c+1;
sum=sum+res;
}
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Q3) write the c++ code that used to evlaute the following series?
Note :(use repeat structure in your soluation)
#include <iostream>
using namespace std;
int main()
{
int z;
int sum=0;
for(int i=1;i<=6;i++)
{
z=((i*3-1)/7+5(i-1);
sum=sum+z;
}
cout<<"the sum is"<<sum;
}
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Q1:- multiple choice questions
1-The value of the expression 26-14%3+1 is:
a. 0
b.1
c.24
d.25
2- Suppose that Alpha is a double variable. what is the value of alpha after the following
statement executes :
Alpha=14.0 +static_cast<double>(15/2):
a. Alpha=21.0
b. Alpha=21.5
c. Alpha=22.0
d. None of these
3- Given: int one; double two; bool four;
Which of the following assignment statement are valid?
(i) one=7*3%4;
(ii) 2.3+3.5=tow;
(iii) four=(2<=3);
a. Only (i) is valid
valid
b.(i) and (ii) are valid
c.(ii)and(iii)are valid
d.(i)and(iii) are
4- Suppose that x is an int variable. which of the following expression always evaluates
to true ?
a. (x>0)||(x<=0)
b.(x>0)||(x==0)
c.(x>0)&&(x<=0)
d.(x>0)&&(x==0)
5- What is the output of the following code fragment if the input value is 4?
int num; int alpha=10;
cin>>num;
switch(num)
{case 3:alpha++;break;
case 4:
case 6:alpha=alpha+3;
case 8: alpha=alpha+4;break;
default: alpha=alpha+5;
}
cout<<alpha<<endl;
a. 13
b.14
c.15
d.17
6- What is the value of the counter after the following statements execute?
counter=0;
while (counter<=50)
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counter=counter+3;
a. 48
b.50
c.51
d. None of these
7- Suppose sum ,num and j are int variables , and the input is 4 7 12 9 -1
What is the output of the following code?
cin>>sum;
cin>>num;
for (int j=1;j<=3;j++)
{cin>>num;
sum=sum+num; }
cout<<sum<<endl;
a.24
b.25
c.41
d.42
8- Suppose input is: 5 3 4 -6 8 what is the value printed by the following C++ code?
int sum=0;int num; int j;
for(j=1;j<=5;j++)
{cin>>num;
if(num<0) continue;
sum=sum+num;
}
cout<<sum<<endl;
a.20
b.14
c.12
d. None of these
9- What is the output of the following C++ code?
int x=7; bool found=false;
do{
cout<<x<<” “;
if(x<=2) found=true;
else x=x-5;
} while (x>0 &&!found);
cout<<x<<endl;
a.7
b. 2 7
c.7 2
d. None of these
10- All of the following are examples of integrals data types EXCEPT:
a.int
b.double
c.char
d.short
11- Suppose that x is an int variable. Choose the value of x after the following statement
execute:
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x=15+static_cast<int>(10.5)/2;
a. x=20
b.x=20.5
c.x=21
d.x=22
12- Suppose that x is int variable and y is a double variable and ch is a char variable input
is
15a 73.2
Choose the values after the following statement executes?
cin>>x>>ch>>y;
a. x=15,ch=’a’ ,y=73.2
b. x=15,ch’a’,y=73.0
c. x=15,ch=’A’, y=73.0
d. This statement results an error because there is no space between 15 and a.
13- Suppose that ch1 and ch2 are char variables, alpha is an int variable, and the input is
A 18
What are the values after the following statements executes ?
cin.get(ch1);
cin.get(ch2);
cin>>alpha;
a.ch1=’A’,ch2=’ ‘,alpha=18
c.ch1=’A’,ch2=’ ‘,alpha=1
b.ch1=’A’,ch2=’1 ‘,alpha=8
d.ch1=’A’,ch2=’\n ‘,alpha=1
14- Suppose that x=25.67, y=356.876, and z=7623.9674. What is the output of the
following statements?
cout<<fixed<<showpoint;
cout<<set precision(2);
cout<<x<< “ ”<<y<<” ”<<z<<endl;
a.25.67 356.87 7623.96
c.25.67 356.88 7623.97
b.25.67 356.87 7623.97
d.25.67 356.876 7623.967
15- What is the output of the following statements?
cout<<setfill(*);
cout<<”12345678901234567890”<<endl;
cout<<setw(5)<<”18”<<setw(7)<<”Happy”<<setw(8)<<”Sleepy”<<endl;
a. 12345678901234567890
***18 Happy Sleepy
b. 12345678901234567890
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***18**Happy**Sleepy
c. 12345678901234567890
***18**Happy Sleepy
d. 12345678901234567890
***18**Happy Sleepy**
16- Suppose x and y are int variables. Consider the following statements:
if(x>3)
y=1;
if(x==3)
y=1;
if(x<3)
y=2;
Which statement is not equivalent to this code?
a. if(x>=3)
y=1;
else
y=2;
b. y=(x>=3)?1:2;
c. if (x>3 ||x==3)
y=1;
else if (x<3)
y=2;
d. y=(x>=3)?2:1;
17- Consider the following statement
int y=!(12<5||3<=5&&3>x)?7:9;
What is the true value of y if x=2?
a.2
b.3
c.7
d.9
18- What is the output of the following code?
int x=0;
int i;
for(i=0;i<4;++i)
x++;
if(x=3)
cout<<”*”;
cout<<endl;
a.*
b.**
c.***
d. There is no output
19- What is the output of the following c++ code?
num=10;
while(num)
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num=num-2;
cout<<num--<<endl;
a.0
b.6
c.8
d.10
20- What is the output if the following C++ code?
for (int x=1;x<10; )
{
x*=2.5;
cout<<x%2<<” “;
}
cout<<endl;
a.0 0 1
b.0 1 0
c.1 1 0
d.1 0 0
21- Assume all variables are properly declared. What is the output of the following C++
code?
num=100;
while (num<=150)
num=num+5;
cout<<num<<endl;
a.150
b.155
c.160
d.165
22- Suppose sum and num are int variables , and the input is 18 25 61 6 -1 . What is the
output of the
following code?
sum=0;
cin>>num;
while(num != -1)
{
sum=sum+ num;
cin>>num;
}
cout<<sum<<endl;
a.92
b.109
c.110
d.119
23- Suppose that the input is 5 3 4 -6 8. What is the output of the following C++ code?
int sum =0;
int num;
int j;
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for (j =1 ; j<=5;j++)
{
cin>> num;
if (num<0)
sum -=num;
else
sum+=num;
}
cout<<sum << endl;
a.20
b.22
24- The value of 15/2:
a.7
b.7.5
25- The value of 22%7 is:
a.3
b.1
26- The value of 17.0/4is:
a.4
b.4.25
27- The value of 5-3.0+2 is:
a.0
b.0.0
c.24
c.7 ½
c.3.142
c.4 ¼
c.4
28- The value of 15.0/3.0+2.0 is:
a.3
b.3.0
c.5
d.26
d.0.75
d.22/7
d. Undefined
d.4.0
d. None of the above
29- if (6<2*5)
cout<<”Hello”;
cout<<”There”;
Outputs the following:
a. Hello There
b. Hello
c. Hello
There
d. There
30- if (‘a’>’b’||66>static_cast<int>(‘A’))
cout<<”#*#”<<endl;
outputs the following:
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a. #*#
b. #
*
#
c. *
d. None of the above
31- if (5<3)
cout<<”*”;
else
if(7==8)
cout<<”&”;
else
cout<<”$”;
outputs the following:
a.*
b.&
c.$
d. None of the above
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THE ANSWER SHEET
1
d
11
a
21
b
2
a
12
a
22
c
3
d
13
a
23
d
4
a
14
c
24
a
5
d
15
b
25
b
6
a
16
d
26
b
7
a
17
d
27
d
8
a
18
a
28
d
9
c
19
a
29
a
10
b
20
b
30
a
Good luck
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31
c
‫ﺑﺴﻢ اﷲ اﻟﺮﲪﻦ اﻟﺮﺣﯿﻢ‬
Q:-show the output questions
1-
2-
3-
4-
Int x,y,z;
X=20;
Y=30;
Z=40;
If(x+y+z>=10&&y<=12)
Cout<<”x”<<x<<endl;
Cout<<”x+y”<<x+y<<endl;
Else
Cout<<”z”<<z<<endl;
Cout<<x-y-z<<endl;
Int x=20;
Intw;
Int y=0;
If(x==20&&y>=-1)
W=x+y;
X=8;
Y=6;
Else
{ w=x – y;
X=2;
Y=4;
}
Cout<<”x=”<<x<<endl;
Cout<<”y=”<<y<<endl;
Cout<<”z=”<<z<<endl;
Z 40
-50
X=8
Y=6
W=20
Int w,x=2,y=0;
If(x=30)
Cout<<x;
Else
Cout<<y;
Int a,b,c;
Cin>>a>>b>>c;
Int w;
W=((a+b+c)<=12?a-b:a+b);
Cout<<w;
30
10 11 12
W=2
1
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5-
Bool x;
X=(20>=10);
Cout<<x;
1
6-
Int x=10;
Int x=10;
Int x=10;
Int y=18;
Int y=18;
Int y=18;
Char c1,c2,c3;
Char c1,c2,c3;
Char c1,c2,c3;
C1=’A’;c2=’B’;c3
=’c’;
C1=’M’;c2=’B’;c
3=’c’;
C1=’A’;c2=’B’;c3
=’R’;
If(c1==’A’||c2==’Z’)
Y=x+2;
X=12;
Else
If(c3==’C’)
Y=x-2;
X=-12;
Else
{
Cout<<”Nothing”<<endl;
Cout<<”do again”<<endl;
}
Cout<<”x=”<<x<<endl;
Cout<<”y=”<<y<<endl;;
Nothing
X=12
Y=12
X=-12
Do again
Y=8
X=10
Y=18
X=1
X=2
Without any break
7- Int x;
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Cin>>x;
Switch(x)
one
{
Case 1:
Cout<<”one”<<endl;
Tow
Break;
Three
Case 2:
invalid
Cout<<”tow”<<endl;
Break;
Case 3:
Cout<<”Three”<<endl;
Break;
Defult;
Cout<<”invalide”<<endl;
_______________8- Char ch1;
Int x=10,y=20,w=0;
Cin>>ch1;
Switch(ch1)
{
Case’A’:
W=x+y;
Invalide
Case ‘b’:
W=x-y;
W=20
Case ‘R’:
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W=x*2;
Defult:
Cout<<”invalide”;
}
Cout<<”w=”<<w;
9- Int a=1;int b=1,b=0;
While(a+b<=10)
{
Vb=vb+2;
Vb=10
A=a=1;
B=b+1;
}
Cout<<”vb=”<<vb;
10- For(int k=10;k>=5;k--)
Cout<<k<<endl;
Cout<<”good”<<endl;
10
9
8
7
6
5
good
11- Int i=1;int sum=0;
For( ; i<=5;i++)
15
Sum=sum+I;
Cout<<sum<<endl;
12- For(int k=1;k<=5;k++);
Cout<<k;
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6
13- Int i=5;
While(i++<10);
11
Cout<<I;
14- For(int i=1;i<=20;i++)
{
If(i==8)
Break;
Else
1
2
3
4
5
6
7
Cout<<i<<endl;
}
15- Int k=1;
For(k=8;k>=1;k--)
If(k%3)
{
K+=2;
Cout<<k<<” “;
}
Else
{cout<<i<<” “;
Break;
}
16- Int z=10;
For( ; ; )
{
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10 9
Z++;
Cout<<z<<” “;
11 12 13 14 15
If(z==120)
Continue;
If(z>=15)
Break;
17- For(int k=1;k<=5;k++)
{
If(k==3)
{
10
10
W=w+10;
Cout<<w<<” “ <<endl;
}
If(k==4)
{
Continue;
W=w+20;
}
Cout<<w<<endl;
18- Int k=1;p=0;
For(int x=-1;x<3;x+=y)
If(k=p)
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-1
3
0
Cout<<p<<” “;
Else
Cout<<k++<<” “;
Cout<<x<<” “<<k<<\n;
19-
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