Answer of MCQs based on C programming Expression evaluation

C programming Expression evaluation - Answers

Associativity of ++, -- and ! Operators in expressions evaluation are from ________.

A. left to right

B. right to left

C. none of these

ANSWER: B

An arithmetic expression without parenthesis will be evaluated from left to right using rules of precedence of operators.

A. True

B. False

C. None of these

ANSWER: A

In C programming, the statement a=a+1 and a+=1 will produce same result.

A. True

B. False

C. None of these

ANSWER: A

All the variables in expressions must be assigned values before evaluation is attempted.

A. True

B. False

C. None of these

ANSWER: A

Associativity of + and - Operators in expressions are from ________.

A. left to right

B. right to left

C. none of these

ANSWER: A

In C programming, the statement a=a*(n+1) and a=*n+1 will produce same result.

A. True

B. False

ANSWER: B

In a pretest loop if the body is executed n times the test expression is executed n+1 times.

A. True

B. False

C. None of these

ANSWER: A

Within an expression, __________ precedence operators will be evaluated first.

A. higher

B. lower

C. none of these

ANSWER: A

The __________ represents which operator should be evaluated first if an expression is containing more than one operator with same priority.

A. Priority

B. Associativity

C. none of these

ANSWER: B