IA paper -2 2018

INFORMATION ASSISTANT -2018 

 Programming Paper - 2                                                             " Just Click Full Question & Answer "

Q. 1 Variable names beginning with underscore is not encouraged. Why?
a) It is not standardized
b) To avoid conflicts since assemblers and loaders use such names
c) To avoid conflicts since library routines use such names
d) To avoid conflicts with environment variables of an operating system

2.All keywords in C are in
a) Lower Case letters
b) UpperCase letters
c) CamelCase letters
d) None of the mentioned

3.Variable name resolving (number of significant characters for uniqueness of variable) depends on
a) Compiler and linker implementations
b) Assemblers and loaders implementations
c) C language
d) None of the mentioned

4.Which of the following is true for variable names in C?
a) They can contain alphanumeric characters as well as special characters
b) It is not an error to declare a variable to be one of the keywords(like goto, static)
c) Variable names cannot start with a digit
d) Variable can be of any length

5. Which is valid C expression?
a) int my_num = 100,000;
b) int my_num = 100000;
c) int my num = 1000;
d) int $my_num = 10000;

6. What is the output of this C code?
#include <stdio.h>
int main()
{
printf("Hello World! %d \n", x);
return 0;
}
a) Hello World! x;
b) Hello World! followed by a junk value
c) Compile time error
d) Hello World!

7. What is the output of this C code?
#include <stdio.h>
int main()
{
int y = 10000;
int y = 34;
printf("Hello World! %d\n", y);
return 0;
}
a) Compile time error
b) Hello World! 34
c) Hello World! 1000
d) Hello World! followed by a junk value

8.Which of the following is not a valid variable name declaration?
a) float PI = 3.14;
b) double PI = 3.14;
c) int PI = 3.14;
d) #define PI 3.14

9.What will happen if the below program is executed?
#include <stdio.h>
int main()
{
int main = 3;
printf("%d", main);
return 0;
}
a) It will cause a compile-time error
b) It will cause a run-time error
c) It will run without any error and prints 3
d) It will experience infinite looping

10.Which of the following cannot be a variable name in C?
a) volatile
b) true
c) friend
d) export

Ans: (1) 3 (2) a (3) a (4) C (5) b (6) c (7) a (8) d (9) c (10) a

Paper 1