C Programming Logic and Control Flow: Boolean, Operators, and Loops

What is a piece of data that represents true/false called?

Logical

In C, which value is considered false?

0

What does the expression 5 && -3 evaluate to?

1

When is the operator || true?

At least one operand is true

Which operator has higher precedence, || or &&?

&&

What is the complement of x > 5?

x <= 5

Which is TRUE about an if statement?

Condition must be in parentheses

What is the result of: 3 || 6 && 0?

1

Which correctly represents a complement of a == 0?

Both !a and a != 0

How is the "dangling else" problem fixed?

Curly braces {}

How many operands does the ternary operator have?

3 operands

What does 6 % 2 || 7 % 2 evaluate to?

1

What does 3 == 3 && -1 && 1 evaluate to?

1

What is !(x < 10) equivalent to?

x >= 10

Which is equivalent to x % 2 (for non-negative x)?

x % 2 != 0

What must the switch expression be?

Integral

What happens if a break is missing in a case?

Fall-through occurs

Which is TRUE about case labels?

Must be constant expressions

What does the break statement do?

Exits switch

Negative logic typically involves?

!

What is best practice for placing conditions?

Most likely conditions first

When does a pretest loop check the condition?

Before loop

How many times does a post-test loop execute at least?

1 time

What is an iteration?

One execution of loop body

What do event-controlled loops do?

Run until condition changes

How many times is a pretest condition evaluated for n iterations?

n + 1

What does while loop syntax require?

Parentheses

What does do-while end with?

;

What is input validation?

Event-controlled

Why is selection alone insufficient for validation?

Limited attempts

What does short-circuit evaluation apply to?

Both if and loops

Which is typically prohibited by course standards?

break/continue for loop control