3. Branches

Question 1

In a program, a ____ is a sequence of statements only executed under a certain condition.

Answer 1

branch

Question 2

A decision and its two branches are often called ____ branches.

Answer 2

if-else

Question 3

A(n) ____ operator checks whether two operands are the same (==) or different (!=).

Answer 3

equality

Question 4

An expression involving an equality operator evaluates to a ____ value.

Answer 4

Boolean

Question 5

A(n) ____ operator checks how one operand’s value relates to another, like being greater than.

Answer 5

relational

Question 6

True or false: floating-point types should not be compared using the equality operator (==), due to the imprecise representation of floating-point numbers.

Answer 6

True

Question 7

Pressing Enter or Return creates what character?

Answer 7

The newline character (/n)

Question 8

What are the precedence rules for arithmetic, logical, and relational operators?

Answer 8

Parentheses
Logical not
Arithmetic operators (using their precedence rules)
Relational operators
Equality and inequality operators
Logical and
Logical or

Question 9

The difference threshold indicating that floating-point numbers are equal is often called the ____.

Answer 9

epsilon

Question 10

What is a common value for epsilon?

Answer 10

0.0001

Question 11

The part of the 32-bit floating-point representation that contains its significant digits is called the ____ or the ____.

Answer 11

mantissa, significand