Deck 2: Elements of High-Quality Programs

Question 1

All programming languages support four broad data types.

Answer 1

False

Question 2

Because one memory location can be used repeatedly with different values,you can write program instructions once and then use them for thousands of separate calculations

Answer 2

True

Question 3

Programmers generally write programs as one long series of steps.

Answer 3

False

Question 4

Modularization makes it harder for multiple programmers to work on a problem.

Question 5

When you write programs,you work with data in three different forms: ____.

A) values,variables (or named values),and unnamed values
B) variables,named constants,and named memory
C) variables,literals (or unnamed constants),and named constants
D) variations,RAM (or unnamed constants),and named values

Question 6

The assignment operator has left-to-right-to-left associativity,which means that the value of the expression to the left of the assignment operator is evaluated first and that the result is assigned to the operand on the right.

Question 7

A specific numeric value is often called a(n)____.

A) named constant
B) defined constant
C) arithmetic constant
D) numeric constant

Question 8

In most programming languages,before you can use any variable,you must include a ____ for it.

A) declaration
B) definition
C) header
D) proclamation

Question 9

Most modern programming languages require that program statements be placed in specific columns.

Question 10

When the first letter of a variable name is uppercase,as in HourlyWage,the format is known as ____ casing.

A) Hungarian notation
B) Pascal casing
C) camel casing
D) Turing notation

Question 11

A string variable can hold digits such as account numbers and zip codes.

Question 12

Program comments are a type of internal documentation.

Question 13

Declaring a starting value for a variable is known as ____ the variable.

A) initializing
B) declaring
C) defining
D) identifying

Question 14

A variable's unknown value is commonly called ____.

A) initial
B) default
C) random
D) garbage

Question 15

The process of naming program variables and assigning a type to them is called ____ variables.

A) initializing
B) declaring
C) identifying
D) proclaiming

Question 16

In many programming languages,if you declare a variable and do not initialize it,the variable contains an unknown value until it is assigned a value.

Question 17

Fractional numeric variables that contain a decimal point are known as ____ variables.

A) partial
B) string
C) integer
D) floating-point

Question 18

Variable names can be more than one word with blanks between the words.

Question 19

____ is where a variable's data type or other information is stored as part of the name.

A) Hungarian notation
B) Pascal case
C) Turing notation
D) Camel case

Question 20

When the variable starts with a lowercase letter and any subsequent word begins with an uppercase letter,this is called ____.

A) Hungarian notation
B) Pascal casing
C) camel casing
D) Turing notation

Question 21

Each programming language has a few reserved ____________________ that are not allowed as variable names because they are part of the language's syntax.

Question 22

____ is the process of paying attention to important properties while ignoring nonessential details.

A) Abstraction
B) Modularization
C) Abbreviation
D) Decomposition

Question 23

When a program has several modules calling other modules,programmers often use a program ____,which operates similarly to an organizational chart,to show the overall picture of how modules are related to one another.

A) hierarchy chart
B) tree chart
C) flow chart
D) data diagram

Question 24

A(n)____ is similar to a variable,except it can be assigned a value only once.

A) unnamed constant
B) literal
C) named constant
D) constant

Question 25

Match each term with a statement below.


-Named memory locations whose contents can vary or differ over time

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 26

A ____ variable is not used for input or output,but instead is just a working variable that you use during a program's execution.

A) programming
B) throw away
C) temporary
D) calculating

Question 27

Program ___________________ are written explanations that are not part of the program logic but that serve as documentation for readers of the program.

Question 28

Programmers say the statements that are contained in a module have been ____.

A) embedded
B) decomposed
C) encapsulated
D) modularized

Question 29

Programmers refer to programs that contain meaningful names as ____.

A) undocumented
B) procedurally documented
C) formally documented
D) self-documenting

Question 30

Programmers say that variables and constants declared within a module are ____ only within that module.

A) abstracted
B) out of scope
C) in scope
D) in reference

Question 31

Depending on the programming language being used,modules are also known as ____ .

A) subroutines,procedures,or methods
B) subroutines,receptacles,or methods
C) tasks,functions,or methods
D) procedures,functions,or containers

Question 32

As programs become larger and more complicated,the need for good planning and design ____ .

A) decreases
B) is inefficient
C) is not necessary
D) increases

Question 33

The ____ dictate the order in which operations in the same statement are carried out.

A) rules of precedence
B) statement rules
C) operation rules
D) rules of arithmetic

Question 34

The process of breaking down a large program into modules is called ____.

A) decomposing
B) modularization
C) fragmentation
D) caching

Question 35

The mainline logic of almost every procedural computer program consists of these three distinct parts: ____ .

A) housekeeping tasks,main tasks,and end-of-job tasks
B) clearing tasks,detail loop tasks,and end-of-job tasks
C) housekeeping tasks,detail loop tasks,and end-of-job tasks
D) housekeeping tasks,detail loop tasks,and math tasks

Question 36

___________________ tasks include any steps you must perform at the beginning of a program to get ready for the rest of the program.

Question 37

In a flowchart,an ____ is most often represented by a three-sided box that is connected to the step it references by a dashed line.

A) abstraction symbol
B) annotation symbol
C) abbreviation symbol
D) enumeration symbol

Question 38

____ variables and constants are known to the entire program.

A) Local
B) Transient
C) Heap
D) Global

Question 39

Whole number variables are known as ____________________ variables.

Question 40

Declaring a starting value is known as ____________________ the variable.

Question 41

List three reasons for modularizing a large program.

Question 42

What does a data item's data type describe?

Question 43

Match each term with a statement below.


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

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 44

What are end-of-job tasks?

Question 45

Match each term with a statement below.


-Can hold digits and have mathematical operations performed on it

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 46

Match each term with a statement below.


-The feature of programming languages that prevents assigning values of an incorrect data type

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 47

Discuss why it is important to use meaningful names for identifiers.

Question 48

Explain the purpose of detail loop tasks.

Question 49

Match each term with a statement below.


-Can hold text,such as letters of the alphabet,and other special characters,such as punctuation marks

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 50

What items should you include when you create a module?

Question 51

Explain the purpose of temporary variables.

Question 52

Match each term with a statement below.


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

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 53

List three design features that you can use while creating programs to make them easier to write and maintain.

Question 54

Discuss why it is important to maintain good programming habits.

Question 55

Match each term with a statement below.


-A statement that provides a data type and an identifier for a variable

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 56

Match each term with a statement below.


-The act of repeating input back to a user either in a subsequent prompt or in output

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 57

Match each term with a statement below.


-The feature of programs that assures you a module has been tested and proven to function correctly

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 58

Match each term with a statement below.


-A program component's name

A)Reliability
B)Declaration
C)Echoing input
D)String variable
E)Identifier
F)Prompt
G)Variables
H)Data dictionary
I)Numeric variable
J)Type-safety

Question 59

Explain the purpose of annotation symbols.