Logic ch 4

Question 1

Which of the following is a logical operator?

Answer 1

AND, NOT, OR (all of the above)

Question 2

Which operator reverses the logic of its operand?

Answer 2

NOT

Question 3

Pseudocode could be logically incorrect if not properly indented.

Answer 3

F

Question 4

the____ operator is used to determine whether the operands are exactly the same as each other.

Answer 4

==

Question 5

The If-Then-Else statement can be used to simplify a complex nested decision structure

Answer 5

F

Question 6

In languages such as Java, Python, C, and C++, the ______ operator determines whether a variable is equal to another variable

Answer 6

==

Question 7

The If-Then-Else statement should be used to write a single alternative decision structure

Answer 7

F

Question 8

The ________ operator is a unary operator, as it works with only one operand.

Answer 8

NOT

Question 9

A nested decision structure can achieve the same logic as a case structure

Answer 9

T

Question 10

Which operator is used to determine that the operands are not exactly of the same value?

Answer 10

none of these. it is !=

Question 11

which structure is a logical design that controls the order in which a set of statements executes?

Answer 11

control

Question 11

The computer uses the ______ codes to accomplish string comparison

Answer 11

ASCII

Question 12

The ______ statement is commonly used on programming languages for case structure.

Answer 12

Select Case

Question 13

Although the sequence structure is heavily used in programming, it cannot handle every type of task.

Answer 13

T

Question 14

The __________ decision structure provides only one alternative path of execution

Answer 14

the single alternative decision structure

Question 15

The ____ operator could be used to simplify nested selection structures

Answer 15

AND

Question 16

A nested decision structure can be used to test more than one condition.

Answer 16

T

Question 17

When a program performs actions only under certain conditions, it is using a ______ structure

Answer 17

decision

Question 18

In an If-Then-Else statement, the Else clause marks the beginning of the statements to be executed when the Boolean expression is

Answer 18

false

Question 19

In an expression with an OR operator, it does not matter which sub expression is true for the compound expression to be true.

Answer 19

T

Question 20

the short-circuit evaluation is performed with expressions containing any logical operators

Answer 20

F

Question 21

The value of the ____ is compared with the values that follow each of the Case statements when a Select Case statement executes.

Answer 21

TestExpression

Question 22

The _____ symbol indicates that some condition must be tested in a flowchart.

Answer 22

diamond

Question 23

An If statement will produce unpredictable results if the programmer does not use proper indentations in pseudocode.

Answer 23

F. but it is common practice to include proper indentation