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

• int num1;

• int num_1;

• int $num1;

• int num;

What is an example of iteration in C?

• for

• while

• do-while

• all of these

scanf() is a predefined function in______header file.

• stdlib. h

• ctype. h

• stdio. h

• stdarg. h

what is the output of the following code snippet?

• 10

• 20

• Error

• None of these

Which of the following is the characteristics of an algorithm?

• Feasibility

• Finiteness

• Unambiguous

• All of these

what is the output of the following code snippet?

• 4 6 2

• 2 4 6

• 2 2 4

• 4 6 6

what is the output of the following code snippet?

• 10

• 0

• 10 10 10 10....(infinity loop)

• error

Which of the following is not a keyword?

• break

• void

• name

• while

' >= ' is type of _________ operator

• logical operator

• relational operator

• arithmetic operator

• none of these

What is the output of the following code snippet?

• 0 5 1 4 2 3

• 0 5 1 4

• 0 1 2 3 4 5

• 5 4 3 2 1 0