POP_CS3

Who is the father of C language?

• Steve Jobs

• James Gosling

• Dennis Ritchie

• Rasmus Lerdorf

Which of the following is not a valid C variable name?

• int number;

• float rate;

• int variable_count;

• int $main;

All keywords in C are in ___________

• LowerCase letters

• UpperCase letters

• CamelCase letters

• None of the mentioned

Which is valid C expression?

• int my_num = 100,000;

• int my_num = 100000;

• int my num = 1000;

• int $my_num = 10000;

What is the result of logical or relational expression in C?

• True or False

• 0 or 1

• 0 if an expression is false and any positive number if an expression is true

• None of the mentioned

The C-preprocessors are specified with _________ symbol.

• #

• $

• ” ”

• &

scanf() is a predefined function in______header file.

• stdlib. h

• ctype. h

• stdio. h

• stdarg. h

What will be the output of the following C code?

1.  #include <stdio.h>

2. int main()

3. {

4. int y = 10000;

5. int y = 34;

6. printf("Hello World! %d\n", y);

7. return 0;

8. }

• Compile time error

• Hello World! 34

• Hello World! 1000

• Hello World! followed by a junk value

How many keywords are there in C language?

• 32

• 33

• 64

• 18

What is the extension of a C language source file?

• 1. .c

• .cpp

• .c99

• .h