13007375
Descripción
Test por Faheem Ahmed, actualizado hace más de 1 año
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Creado por Faheem Ahmed
hace alrededor de 6 años
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Pregunta 1
Pregunta
A C variable name can start with a ____
Respuesta
-
Number
-
Plus Sign (+)
-
Underscore
-
Asterisk (*)
Pregunta 2
Pregunta
Name the loop that executes at least once.
Respuesta
-
for
-
if
-
do-while
-
while
Pregunta 3
Pregunta
A pointer pointing to a memory location of the variable even after deletion of the variable is known as _____
Respuesta
-
far pointer
-
dangling pointer
-
null pointer
-
void pointer
Pregunta 4
Pregunta
Which of the following correctly shows the hierarchy of arithmetic operations in C?
Respuesta
-
/ + * -
-
* - / +
-
+ - / *
-
/ * + -
Pregunta 5
Pregunta
The output of the following code is:
main()
{ int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z);
}
Respuesta
-
10
-
0
-
12
-
None of the above
Pregunta 6
Pregunta
The output of the following code is:
void main()
{ char a = 'B';
switch (a)
{ case 'A' : printf("a");
case 'B' : printf("b");
default : printf("c");
}
}
Respuesta
-
B
-
b
-
bca
-
bc
Pregunta 7
Pregunta
What is the output of this C code?
main()
{ int x=35;
printf("%d %d %d",x==35,x=50,x>40);
}
Respuesta
-
1 50 1
-
0 50 0
-
Runtime error
-
Compile time error
Pregunta 8
Pregunta
Which among the following is NOT a logical or relational operator?
Respuesta
-
!=
-
==
-
||
-
=
Pregunta 9
Pregunta
Which of the following is not a correct variable type?
Respuesta
-
float
-
real
-
int
-
double
Pregunta 10
Pregunta
Which of the following is true?
Respuesta
-
1
-
66
-
0.1
-
-1
-
All of the above
Pregunta 11
Pregunta
Evaluate !(1 && !(0 || 1)).
Respuesta
-
True
-
False
-
Unevaluatable
-
Error
Pregunta 12
Pregunta
Which of the following is the proper declaration of a pointer?
Respuesta
-
int x;
-
int &x;
-
ptr x;
-
int *x;
Pregunta 13
Pregunta
Which of the following gives the memory address of integer variable a?
Respuesta
-
*a;
-
a;
-
&a;
-
address(a);
Pregunta 14
Pregunta
Which of the following gives the value stored at the address pointed to by pointer a?
Respuesta
-
a;
-
val(a);
-
*a;
-
&a;
Pregunta 15
Pregunta
Which conversion is not possible?
Respuesta
-
int to float
-
float to int
-
char to float
-
All are possible
Pregunta 16
Pregunta
What variables stores the number of arguments to a program in command line arguments?
Respuesta
-
argc
-
argv
-
count
-
arglen
Pregunta 17
Pregunta
What is argv[0]?
Respuesta
-
The number of arguments to the program
-
The name of the program
-
The first argument to the program
-
This syntax is illegal
Pregunta 18
Pregunta
The parameter passing mechanism for an array is
Respuesta
-
call by value
-
call by value-result
-
call by reference
-
none of these
Pregunta 19
Pregunta
Consider the statement
int val[2] [4] = { 1, 2, 3, 4, 5, 6, 7, 8} ;
4 will be the value of
Respuesta
-
val[0][ 3]
-
val[0][4]
-
val[1][1]
-
none of the above
Pregunta 20
Pregunta
The following program fragment
int a = 4, b = 6;
printf (" %d ", a == b);
Respuesta
-
outputs an error message
-
prints 0
-
prints 1
-
none of the above
Pregunta 21
Pregunta
The following program fragment
int a = 4, b = 6;
printf ("%d", a = b) ;
Respuesta
-
outputs an error message
-
prints 0
-
prints 1
-
6
Pregunta 22
Pregunta
main( )
{ int a = 5, b = 2;
printf("%d", a+++b);
}
Respuesta
-
results in syntax error
-
prints 7
-
prints 8
-
none of above
Pregunta 23
Pregunta
Let x be an integer which can take a value of 0 or 1. The statement if(x = =0) x = 1; else x = 0; is equivalent to which one of the following?
Respuesta
-
x=1+x;
-
x=1—x;
-
x=x—1;
-
x=1%x;
Pregunta 24
Pregunta
Which command is used to skip the rest of a loop and carry on from the top of the loop again?
Respuesta
-
break;
-
resume;
-
continue;
-
skip ;
-
exit;
Pregunta 25
Pregunta
Which of the following is not a storage class in C?
Respuesta
-
auto
-
struct
-
extern
-
static
-
register
Pregunta 26
Pregunta
Which of following is not a valid name for a C variable?
Respuesta
-
Hairaj
-
Hello_raj
-
Hello raj
-
Both (a) and (b) above
-
None of the above.
Pregunta 27
Pregunta
How many times the below loop will get executed?
main()
{ int i;
for(i=9;i;i=i-2)
{ printf("\n%d",i);
}
}
Respuesta
-
5
-
6
-
Compilation Error
-
Infinite
Pregunta 28
Pregunta
What will be the output
main()
{ int i;
i = 10;
if(i == 20 || 30)
{printf("True");
}
else
{printf("False");
}
}
Respuesta
-
True
-
False
-
Syntax Error
-
Run time Error
Pregunta 29
Pregunta
What the below statement will print if a=10 and b = 20?
printf("%d",a==b);
Respuesta
-
20
-
10
-
1
-
0
Pregunta 30
Pregunta
What is the output of the following code?
void main(){
printf("%d%d%d",50,100);
}
Respuesta
-
50,100
-
50,100,garbage
-
50,100,0
-
0,50,100
Pregunta 31
Pregunta
What is the output of the following program?
void main(){
printf("%d%d",100,200,300);
}
Respuesta
-
100 200
-
200 300
-
300 200
-
100 200 300
Pregunta 32
Pregunta
What is the output of the following program?
void main(){
printf("2+3=%d",2+3);
}
Respuesta
-
2+3=0
-
2+3=2+3
-
2+3=5
-
5=2+3
Pregunta 33
Pregunta
What is the output of the following program?
void main(){
int a;
a=3+5*5+3;
printf("%d",a);
}
Respuesta
-
43
-
64
-
31
-
none of these
Pregunta 34
Pregunta
what is the output of following program?
void main(){
int a;
float f;
a=12/5;
f=12/5;
printf("%d%f",a,f);
}
Respuesta
-
2,2.000000
-
2,2.00
-
2,2
-
none of these
Pregunta 35
Pregunta
What is the output of following program?
void main(){
int a;
a='a'>'A';
printf("%d",a);
}
Respuesta
-
0
-
1
-
garbage
-
none of these
Pregunta 36
Pregunta
What is the output of following program?
void abc(int a){
++a;
}
void main(){
int a=10;
abc();
abc();
printf("%d",a);
}
Respuesta
-
10
-
11
-
12
-
13
Pregunta 37
Pregunta
What is the output of following program?
void main(){
int i=10;
printf("%d%d%d",++i, i++, ++i);
}
Respuesta
-
11 11 13
-
13 11 11
-
11 12 13
-
13 12 11
Pregunta 38
Pregunta
what is the output of following program?
void main(){
printf("One");
if(2>1)
printf("Two");
else
printf("Three");
printf("Four");
}
Respuesta
-
One Two Three
-
Two Three Four
-
One Two Four
-
One Three Four
Pregunta 39
Pregunta
what is the output of following program?
void main(){
float a;
a=6.7;
if(a==6.7)
printf("A");
else
printf("B");
}
Respuesta
-
A
-
B
-
error
-
nothing display on screen
Pregunta 40
Pregunta
what is the output of following program?
void main(){
int a;
a=10;
a*=10+2;
printf("%d",a);
}
Respuesta
-
102
-
100
-
120
-
22
Pregunta 41
Pregunta
what is the output of following program?
void main(){
int a;
a=100;
printf("%d%d",++a,a++);
}
Respuesta
-
101 101
-
101 102
-
102 100
-
102 101
Pregunta 42
Pregunta
What is the output of the following program?
void main(){
int a;
a=100>90>80;
printf("%d",a);
}
Respuesta
-
0
-
1
-
error
-
none of these
Pregunta 43
Pregunta
What will be the output of the following program
void main( ){
int a=10;
printf("%d",a);
{ int a=20;
printf("%d",a);
}
printf("%d",a);
}
Respuesta
-
10 10
-
20 10
-
10 20 10
-
10 10 10
Pregunta 44
Pregunta
What is the output of following program?
void f1(){
int a=0;
++a;
printf("%d",a);
}
main(){
int a=10;
f1();
f1();
f1();
printf("%d",a);
return 0;
}
Respuesta
-
0 1 1 10
-
10 0 1 10
-
1 2 3 4
-
1 1 1 10
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