Arithmetic Expressions

Question 1

are the fundamental means of specifying computations in a programming language

Answer 1

Expressions

Question 2

An arithmetic expression consists of

Answer 2

operators, operands, parentheses, and function calls

Question 3

In most programming languages, binary operators are … which means they appear between operands

Answer 3

inflix

Question 4

specifies the order of operations in expressions that contain more than one (1) operator

Answer 4

operator precedence

Question 5

Three (3) types of operators

Answer 5

1. Unary
2. Binary
3. Ternary

Question 6

operator has a single operand

Answer 6

unary

Question 7

operator has two (2) operands

Answer 7

binary

Question 8

operator has three (3) operands

Answer 8

ternary

Question 9

Operators are considered … if they are separated by a single operand

Answer 9

adjacent

Question 10

When an expression has two (2) operators with the same precedence, the expression is evaluated according to its …

Answer 10

associativity

Question 11

When there are two (2) adjacent operators with the same precedence, the left operator is evaluated first

Answer 11

left associativity

Question 12

When there are two (2) adjacent operators with the same precedence, the right operator is evaluated first

Answer 12

right associativity

Question 13

The precedence and associativity rules can be altered by placing … in expressions

Answer 13

parentheses

Question 14

Variables in expressions are evaluated by fetching their values from memory

Answer 14

true

Question 15

A … of a function occurs when the function changes either one of its parameters or a global variable

Answer 15

side effect

Question 16

A … is declared outside the function but is accessible in the function

Answer 16

global variable

Question 17

A program has the property of … if any two (2) expressions in the program that have the same value can be substituted for one another anywhere in the program, without affecting the action of the program

Answer 17

referential transparency

Question 18

An operator can be used for more than one (1) purpose. This multiple use of an operator is called …

Answer 18

operator overloading