Chapter 2

Question 1

describes data that consists of numbers and can be used in arithmetic operations.

Answer 1

Numeric

Question 2

describes data that is non numeric.

Answer 2

String

Question 3

a whole number in code.

Answer 3

integer

Question 4

a number with decimal places

Answer 4

floating-point

Question 5

floating-point numbers

Answer 5

Real numbers

Question 6

a specific numeric value

Answer 6

numeric constant

Question 7

a specific group of characters enclosed within quotation marks

Answer 7

string constant

Question 8

can contain alphabetic characters, numbers, and punctuation.

Answer 8

Alphanumeric values

Question 9

a literal numeric or string value.

Answer 9

unnamed constant

Question 10

a statement that provides a data type, an identifier, and, optionally, an initial value.

Answer 10

declaration

Question 11

a variable that can hold digits, have mathematical operations performed on it, and usually can hold a decimal point and a sign indicating positive or negative.

Answer 11

numeric variable

Question 12

can hold text that includes letters, digits, and special characters such as punctuation marks.

Answer 12

string variable

Question 13

is the feature of some programming languages that prevents assigning values of an incorrect data type.

Answer 13

type-safety

Question 14

a program component’s name.

Answer 14

identifier

Question 15

the steps that are repeated for each set of input data of a program.

Answer 15

Detail loop tasks

Question 16

hold the steps you take at the end of the program to finish the application.

Answer 16

End-of-job tasks

Question 17

a diagram that illustrates modules’ relationships to each other.

Answer 17

hierarchy chart

Question 18

written explanations that are not part of the program logic but that serve as documentation for those reading the program.

Answer 18

program comments

Question 19

documentation within a coded program.

Answer 19

Internal documentation

Question 20

documentation that is outside a coded program.

Answer 20

External documentation

Question 21

contains information that expands on what appears in another flowchart symbol; it is most often represented by a three-sided box that is connected to the step it references by a dashed line.

Answer 21

annotation symbol

Question 22

programs that contain meaningful identifiers that describe their purpose.

Answer 22

Self-documenting

Question 23

a list of every variable name used in a program, along with its type, size, and description.

Answer 23

data dictionary

Question 24

a variable that you use to hold intermediate results during a program’s execution.

Answer 24

temporary variable (or work variable)

Question 25

a message that is displayed on a monitor to ask the user for a response and perhaps explain how that response should be formatted.

Answer 25

prompt

Question 26

the act of repeating input back to a user either in a subsequent prompt or in output.

Answer 26

Echoing input

Question 27

An expression that is either true or false.

Answer 27

Boolean Expression.

Question 28

True and False belong to the class ______

Answer 28

bool

Question 29

x != y means….

Answer 29

x is not equal to y

Question 30

x >= y means…

Answer 30

x is greater than or equal to y

Question 31

what sign is used to signify that two items are equal in python?

Answer 31

==

Question 32

The three logical operators in python.

Answer 32

and
or
not

Question 33

When the evaluation of a logical expression stops because the overall value is already known, it is called ____________ the evaluation.

Answer 33

Short-Circuiting

Question 34

The sequence of statements within a compound statement.

Answer 34

body

Question 35

An expression whose value is either True or False.

Answer 35

boolean expression

Question 36

One of the alternative sequences of statements in a conditional statement.

Answer 36

branch

Question 37

A conditional statement with a series of alternative branches.

Answer 37

chained conditional

Question 38

A statement that controls the flow of execution depending on some condition.

Answer 38

conditional statement

Question 39

A statement that consists of a header and a body. The header ends with a colon (:). The body is indented relative to the header.

Answer 39

compound statement

Question 40

Where we construct a logical expression with additional comparisons to take advantage of the short-circuit behavior.

Answer 40

guardian pattern

Question 41

One of the operators that combines boolean expressions: and, or, and not.

Answer 41

logical operator

Question 42

A conditional statement that appears in one of the branches of another conditional statement.

Answer 42

nested conditional

Question 43

A list of the functions that are executing, printed when an exception occurs.

Answer 43

traceback

Question 44

When Python is part-way through evaluating a logical expression and stops the evaluation because Python knows the final value for the expression without needing to evaluate the rest of the expression.

Answer 44

short circuit