Deck 8: Decisions, Decisions, Decisions Selection Structure

Question 1

During run time, you can determine whether a check box is selected or unselected by looking at the value in its Checked property.

Answer 1

True

Question 2

Arithmetic operators are evaluated after any comparison operators in an expression.

Answer 2

False

Question 3

A programmer determines whether a problem's solution requires a selection structure by studying the problem specification.

Answer 3

True

Question 4

The two flowlines leading out of a diamond should be marked so that anyone reading the flowchart can distinguish the true path from the false path.

Question 5

More unintentional errors occur in applications when the variables are declared using the minimum scope needed.

Question 6

The oval in a flowchart is called the selection/repetition symbol.

Question 7

Unlike the variables declared at the beginning of a procedure, variables declared within a statement block in a selection structure remain in memory until the procedure ends.

Question 8

The set of statements contained in the true path, as well as the set of statements contained in the false path, is referred to as a(n) ____.

A) statement block
C) executable code block
B) conditional block
D) path block

Question 9

In the If…Then…Else statement, the condition must be a(n) ____ expression.

A) arithmetic
C) constant
B) conditional
D) Boolean

Question 10

Many times the next instruction processed depends on the result of a decision that must be made.

Question 11

Although there is nothing wrong with declaring all variables at the beginning of a procedure, many programmers would prefer to create a variable only if it is necessary to do so.

Question 12

Operators are called ____ operators because they are used to compare values.

A) test
C) change
B) comparison
D) binary

Question 13

The ____ in a flowchart is the start/stop symbol.

A) parallelogram
C) diamond
B) rectangle
D) oval

Question 14

The ____ in a flowchart is the input/output symbol.

A) parallelogram
C) diamond
B) rectangle
D) oval

Question 15

The ____ structure makes a decision and then takes an appropriate action based on that decision.

A) loop
C) selection
B) condition
D) case

Question 16

Items in square brackets are required in the syntax of an algorithm.

Question 17

In the If…Then…Else statement, the programmer must supply the ____ that the computer needs to evaluate before further processing can occur.

A) condition
C) order
B) execution
D) path

Question 18

You can select a check box by double-clicking it.

Question 19

The ____ in a flowchart is the process symbol.

A) parallelogram
C) diamond
B) rectangle
D) oval

Question 20

Unlike variables declared at the beginning of a procedure, variables declared within a statement block have block scope rather than procedure scope.

Question 21

The Text property of a check box should be entered using ____.

A) all lowercase letters
C) sentence capitalization
B) all uppercase letters
D) book capitalization

Question 22

In a flowchart, a(n) ____ represents the condition in a selection structure.

A) parallelogram
C) diamond
B) rectangle
D) oval

Question 23

A variable that has ____ scope can be used only within the statement block in which it is declared.

A) global
C) internal
B) procedure
D) block

Question 24

A variable declared within a statement block is called a ____.

A) block-level variable
C) contained variable
B) restricted variable
D) simple variable

Question 25

A variable that has ____ scope can be used anywhere within the procedure.

A) global
C) internal
B) procedure
D) block