QUESTION 1 A business system is a(n) A. collection of operations organized in re

ID: 3797697 • Letter: Q

Question

QUESTION 1

A business system is a(n)

collection of operations organized in response to a requirements statement.

combination of people, equipment, and procedures that work together to perform a specific function.

detailed plan for the solution to a well-defined problem.

a series of processes that involve one or more computers.

QUESTION 2

The acronym SDLC stands for

system development life cycle

system design life cycle

screen design for large computers

symbolic defined logic code

2 points

QUESTION 3

A graphical representation of the programs within a system and their relationships is called a(n)

program flowchart

system flowchart

control structure

memory

2 points

QUESTION 4

English-language statements that describe the processing steps of a program are known as

program flowcharts

class diagrams

programming logic

pseudcode

2 points

QUESTION 5

The use of pseudocode is often a convenient replacement for system flowcharting.

True

False

2 points

QUESTION 6

Graphical user interfaces make it easier for users to interact with computers.

True

False

2 points

QUESTION 7

An infinite loop is an error condition.

True

False

2 points

QUESTION 8

Which program flowcharting symbol can be used to indicate the beginning and the end of an algorithm?

process

general input/output

terminal interrupt

sequence

2 points

QUESTION 9

A data item whose value may change during processing is a(n)

defined value

constant

input

variable

2 points

QUESTION 10

What is the value of the following expression: (9+6*(8-13))/3?

-25

-7

2 points

QUESTION 11

An algorithm can produce an answer in an infinite number of steps.

True

False

2 points

QUESTION 12

A diamond shape symbol on a program flowchart represents a decision to be made.

True

False

2 points

QUESTION 13

The decision point in an IFTHENELSE statement is called an unconditional branch.

True

False

2 points

QUESTION 14

(90+80+95)/3=AVERAGE is a valid assignment statement, assuming AVERAGE has been defined and assigned a value

True

False

2 points

QUESTION 15

Choose a class/object example from the list below.

program/data member

girl/Beverly

Ford/automobile

car/engine

2 points

QUESTION 16

A special kind of method that performs initialization is a(n)

definer

override

constructor

character

2 points

QUESTION 17

In a class definition, operations are specified in

properties.

records.

attributes.

methods.

2 points

QUESTION 18

A data member that is private

cannot be referred to by methods that are public.

cannot be referred to from anywhere outside the class in which it is declared.

is usable only by a constructor method.

must be defined before data members that are public are defined.

2 points

QUESTION 19

Packaging data methods and members into a single well-defined programming unit is known as

overriding

data hiding

encapsulation

classification

2 points

QUESTION 20

If a method is defined wisely, users of the method don’t have to know how the method is implemented.

True

False

2 points

QUESTION 21

Use of parameters is not supported for constructor methods.

True

False

2 points

QUESTION 22

A class represents a template from which any number of objects can be created.

True

False

2 points

QUESTION 23

Inheritance is

a mechanism that uses generalization/specialization relationships.

a mechanism for relating classes and objects.

a relationship that establishes levels in a class hierarchy.

a mechanism to share identifications and descriptions.

2 points

QUESTION 24

A base class may also be called a(n)

superclass.

subclass.

derived class.

existent class.

2 points

QUESTION 25

How is generalization/specialization represented on a UML class diagram?

a solid line.

an unfilled arrow.

a filled diamond.

a dashed line.

2 points

QUESTION 26

A polymorphic method

has multiple implementations within the same class definition.

is uniquely identified by the data types of its arguments.

can be used in a subclass if it’s not used in a base class.

has the same name as another method within the same class hierarchy.

2 points

QUESTION 27

Another name for a subclass is a(n)

described class.

inherited class.

derived class.

parent class.

2 points

QUESTION 28

Inheritance takes advantage of an existing generalization/specialization relationship.

True

False

2 points

QUESTION 29

A subclass can contain a new design of an inherited method.

True

False

2 points

QUESTION 30

When two constructors are given in a class, they execute in sequence during processing.

True

False

2 points

QUESTION 31

A single driver program may instantiate two or more instances of the same class.

True

False

2 points

QUESTION 32

Polymorphism is used extensively in commercial programming.

True

False

2 points

QUESTION 33

Choose a class/object example from the list below.

program/data member

girl/Beverly

Ford/automobile

car/engine

2 points

QUESTION 34

A special kind of method that performs initialization is a(n)

definer

override

constructor

character

2 points

QUESTION 35

In a class definition, operations are specified in

properties.

records.

attributes.

methods.

2 points

QUESTION 36

A data member that is private

cannot be referred to by methods that are public.

cannot be referred to from anywhere outside the class in which it is declared.

is usable only by a constructor method.

must be defined before data members that are public are defined.

2 points

QUESTION 37

Packaging data methods and members into a single well-defined programming unit is known as

overriding

data hiding

encapsulation

classification

2 points

QUESTION 38

If a method is defined wisely, users of the method don’t have to know how the method is implemented.

True

False

2 points

QUESTION 39

Use of parameters is not supported for constructor methods.

True

False

2 points

QUESTION 40

Overloading can occur between two or more classes but cannot occur within a single class.

True

False

2 points

QUESTION 41

A single method cannot be both public and private at the same time.

True

False

2 points

QUESTION 42

A class represents a template from which any number of objects can be created.

True

False

2 points

QUESTION 43

Inheritance is

a mechanism that uses generalization/specialization relationships.

a mechanism for relating classes and objects.

a relationship that establishes levels in a class hierarchy.

a mechanism to share identifications and descriptions.

2 points

QUESTION 44

A base class may also be called a(n)

superclass.

subclass.

derived class.

existent class.

2 points

QUESTION 45

How is generalization/specialization represented on a UML class diagram?

a solid line.

an unfilled arrow.

a filled diamond.

a dashed line.

2 points

QUESTION 46

Another name for a subclass is a(n)

described class.

inherited class.

derived class.

parent class.

2 points

QUESTION 47

Inheritance takes advantage of an existing generalization/specialization relationship.

True

False

2 points

QUESTION 48

A subclass can contain a new design of an inherited method.

True

False

2 points

QUESTION 49

When two constructors are given in a class, they execute in sequence during processing.

True

False

2 points

QUESTION 50

A single driver program may instantiate two or more instances of the same class.

True

False

collection of operations organized in response to a requirements statement.

combination of people, equipment, and procedures that work together to perform a specific function.

detailed plan for the solution to a well-defined problem.

a series of processes that involve one or more computers.

Explanation / Answer

1. b. combination of people, equipment, and procedures that work together to perform a specific function.

2. a. system development life cycle

3. b. system flowchart

4. d. pseudcode

5. true

6. true

7. false

8. d. sequence

9. d. variable

10. d.-7

11. false

12. true

13. false

14. false

15.a.

16.c. constructors

17. d. methods

18. b.cannot be referred to from anywhere outside the class in which it is declared.

19. c. encapsulation

20. false

21. false

22. true

23. a mechanism that uses generalization/specialization relationships.

24. super class

25. solid line

26. has the same name as another method within the same class hierarchy.

27. derived class

28. true

29.false

30. false

31. false

32. false

33. a. program/data member

34. c. constructor

35. methods

36. d. must be defined before data members that are public are defined.

37. c. encapsulation

38. false

39. false

40. true

41. false

42. true

43. a. a mechanism that uses generalization/specialization relationships.

44. a. super class

45. a. solid line

46. c. derived class

47. True

48. True

49. false( No, only the constructor that fits the arguments you passed will execute.)

50. True

Navigate

QUESTION 1 A buck converter has the following parameters: Vo VIN = 40 V Source v

QUESTION 1 A catalyst O dissolves chemicals that water is unable to O is a large

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.

QUESTION 1 A business system is a(n) A. collection of operations organized in re

Question

Explanation / Answer

Related Questions

Navigate