Module 2 (Prelim)

Question 1

allows a program to make a decision based on the truth or falsity of some statement of fact

Answer 1

condition

Question 2

________ in if structures are formed by using the relational operators and logical operators.

Answer 2

Conditions

Question 3

________ and ________ operators are binary operators (except !) and yield either true or false boolean value.

Answer 3

• Relational
• logical

Question 4

Types of relational operators: (6)

Answer 4

==
!=
<
<=
>
>=

Question 5

Types of logical operators (in order): (3)

Answer 5

!
&&
||

Question 6

Relational operators are higher than logical operators (&&, ||)
(True or False)

Answer 6

T

Question 7

Relational operators:
Equality operators (==, !=) are higher than comparison operators (<, >, <=, >=)

Answer 7

F

Question 8

Unary operators (ex. ! ) has the highest order of precedence

Answer 8

T

Question 9

Arrange the ff operator types from highest to lowest:

Arithmetic
Unary
Ternary
Relational
Assignment
Bitwise
Logical

Answer 9

Unary (~, !)
Arithmetic (*, /, %, and +, -)
Relational (<, >, <=, >=, and ==, !=)
Bitwise (&, ^, |)
Logical (&& and ||)
Ternary (? and :)
Assignment (=, +=, -= , etc.)

Question 10

Repeatedly increasing a value by some amount

Answer 10

Accumulating

Question 11

Java provides shortcuts for incrementing and accumulating such as: (5)

Answer 11

*=
/=
%=

( arithmetic operators + (=) assign operator)

Question 12

the associativity of ! is from left-to-right
(True or False)

Answer 12

F

right-to-left

Question 13

In Java, when you want to take an action if a Boolean expression is true, you use an ________ statement.

Answer 13

if

Question 14

If you want to take an action when a Boolean expression is true but take a different action when the expression is false, you use an ________ statement.

Answer 14

if…else

Question 15

if and if…else statements can be used to create:

Answer 15

One-way selection
Two-way selection
Multiple selections

Question 16

if statement one-way selection syntax:

Answer 16

if (expression)
….statement

Question 17

if and if…else will only apply the first statement below the condition.
(True or False)

Answer 17

T

unless the programmer uses a { } for multiple commands

Question 18

if…else statement w/ multiple statements/compound statements syntax:

Answer 18

if (expression)
{
….statement1
….statement2
}
else
{
….statement1
….statement2
}

Question 19

if…else statement two-way selection syntax:

Answer 19

if (expression)
….statement1
else
….statement2

Question 20

There are statements in which an if structure is contained inside another if structure

Answer 20

Nested if

Question 21

Two conditions must be met before some action is taken

Answer 21

Nested if

Question 22

Uses the else if statement to specify a new condition if the first condition is false

Answer 22

Nested else…if

Question 23

Nested if syntax:

Answer 23

if (condition1)
….if (condition2)
……..statement1;

Question 24

Nested else…if syntax:

Answer 24

if (condition1)
….statement1;
else if (condition2)
….statement2;
else if (condition3)
….statement3;
else
….statement n;

Question 25

_________ operator takes 3 arguments

Answer 25

ternary

Question 26

Ternary operator syntax:

Answer 26

expression1 ? expression2 : expression3

(this means that If expression1 is true, the result of the conditional expression is expression2. Otherwise, the result is expression3)

Question 27

An alternative to a series of nested if statements

Answer 27

Switch statements

Question 28

Test a single variable against a series of exact integer, character, or string values

Answer 28

Switch statements

Question 29

Switch statement keywords: (4)

Answer 29

• switch
• case
• break
• default

Question 30

Starts the switch structure followed by a test expression enclosed in parentheses

Answer 30

switch

Question 31

Followed by one of the possible values for the test expression and a colon. Braces are not needed to turn multiple statements into a single compound statement

Answer 31

case

Question 32

In a switch statement when a case value is matched, all statements after it execute until a ______ is encountered

Answer 32

break

Question 33

The break statement may or may not appear after each statement in switch statements
(True or False)

Answer 33

T

Question 34

Switch statement:
Optionally ________ is used prior to any action that should occur if the test variable does not match any case

Answer 34

default

Question 35

There are two types of algorithm:

Answer 35

Pseudocode
Flowchart

Question 36

Plan a program’s logic by writing plain English statements

Answer 36

Pseudocode

Question 37

• Steps in diagram form
• A series of shapes connected by arrows

Answer 37

Flowchart

Question 38

The six (6) basic flowcharting symbols are:

Answer 38

• Terminator ⬭
• Input/Output ▱
• Process ▭
• Decision ◇
• Connector ◯
• Flowline / arrows →

Question 39

used to represent the start and end of a flowchart

Answer 39

Terminator ⬭

Question 40

used for input and output decisions in a flowchart

Answer 40

Input/Output ▱

Question 41

used for arithmetic and data manipulation operations in a flowchart

Answer 41

Process ▭

Question 42

used for logic of comparison operations in a flowchart

Answer 42

Decision ◇

Question 43

Used to join two different flowlines in a flowchart

Answer 43

Connector ◯

Question 44

Used to connect symbols and indicate the flow of logic of a flowchart

Answer 44

Flowline / arrows →