Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

OOP > MOBCOM Midterm > Flashcards

MOBCOM Midterm Flashcards

1
Q

What is the primary goal of User-Centered Design?
a) To make products look visually appealing
b) To focus on system functionality
c) To prioritize the needs and experiences of the end user
d) To create a one-size-fits-all design

A

To prioritize the needs and experiences of the end user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Who is credited with coining the term “User Experience”?
a) Steve Jobs
b) Don Norman
c) Bill Gates
d) Alan Turing

A

Don Norman

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

According to Steve Jobs, design is primarily about:
a) Aesthetic appeal
b) Functionality
c) Adding complex features
d) Creating a product manual

A

Functionality

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is usability in the context of HCI?
a) The ability of a product to be easily learned and used by its intended users
b) How visually appealing a product is
c) The study of computer hardware efficiency
d) None of the above

A

The ability of a product to be easily learned and used by its intended users

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following is NOT a benefit of focusing on User Experience (UX)?
a) Increases customer satisfaction
b) Reduces development costs
c) Creates a uniform experience for all users
d) Improves return on investment (ROI)

A

Creates a uniform experience for all users

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does HCI stand for?
a) Human Communication Interaction
b) Human-Computer Interface
c) Human-Computer Interaction
d) Human-Centered Integration

A

Human-Computer Interaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following is a tool used to express designs visually in UX design?
a) Flowcharts
b) Pseudocode
c) Wireframes
d) Source Code

A

Wireframes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which of these is an advantage of using wireframes in UX design?
a) They require no team collaboration
b) They identify user interface issues quickly without coding
c) They provide a final, polished design
d) They are only useful for mobile applications

A

They identify user interface issues quickly without coding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A “user” in UX design is:
a) Always a person from the same demographic
b) The ideal customer imagined during product creation
c) Any individual who interacts with the product or system
d) The person who designed the product

A

Any individual who interacts with the product or system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

User Experience (UX) influences which of the following aspects of a product?
a) Functionality and access
b) Marketing strategy
c) Financial management
d) Coding style

A

Functionality and access

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Human-Computer Interaction (HCI) focuses on:
a) The efficiency of algorithms
b) The interaction between people and computer systems
c) Hardware advancements in computing
d) Enhancing backend programming

A

The interaction between people and computer systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which statement best describes User Experience (UX)?
a) It refers to the backend development of a product
b) It is the visual appeal of the product
c) It is the overall interaction and feelings a user has with a product
d) It’s solely about the technical capabilities of a product

A

It is the overall interaction and feelings a user has with a product

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In HCI, what is one of the key challenges of defining a “user”?
a) There is no single user type; users vary widely in needs and preferences
b) Users typically have the same technological skills
c) All users follow a standardized design guideline
d) Users are usually involved in the coding process

A

There is no single user type; users vary widely in needs and preferences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. What is the purpose of usability testing in UX design?
    a) To test the product’s coding efficiency
    b) To assess the visual appeal of the product
    c) To ensure that users can effectively use the product
    d) To increase the speed of the development process
A

To ensure that users can effectively use the product

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of these is a characteristic of a well-designed product?
a) Complicated user instructions
b) Difficult navigation paths
c) Intuitive and user-friendly interface
d) Complex interactions that require training

A

Intuitive and user-friendly interface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does a “user-centered design approach” emphasize in the design process?
a) The technology and tools used in development
b) The goals and preferences of the end users
c) The preferences of the design team
d) The speed and cost of production

A

The goals and preferences of the end users

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following is NOT typically a focus in UX design?
a) Interaction design
b) Hardware performance
c) Visual appeal
d) Accessibility

A

Hardware performance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why is user feedback crucial in the UX design process?
a) It increases the aesthetic quality of the design
b) It reduces the cost of testing
c) It helps identify issues that affect usability
d) It limits the scope of development

A

It helps identify issues that affect usability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following is an example of human-computer interaction?
a) A user sending an email using a computer
b) A team designing a new algorithm
c) Two users talking over the phone
d) A developer creating a new software library

A

A user sending an email using a computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a primary benefit of designing with HCI principles in mind?
a) Improved computational speed
b) Enhanced user satisfaction and usability
c) Reduced need for updates
d) Increased technical complexity

A

Enhanced user satisfaction and usability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which of these is a direct outcome of focusing on UX in product development?
a) Reduced user engagement
b) Higher customer loyalty
c) Increased product complexity
d) Less time required for testing

A

Higher customer loyalty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

“Paper Prototypes” are used in UX design because:
a) They are the final product
b) They allow designers to code quickly
c) They are a low-cost way to visualize ideas
d) They are created after the final design is complete

A

They are a low-cost way to visualize ideas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which statement best describes “Wireframes”?
a) They are detailed, color-rendered designs
b) They are basic outlines of a product’s interface without final visuals
c) They are the final version of a product’s UI
d) They are only used for back-end programming

A

They are basic outlines of a product’s interface without final visuals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

In UX, why is “accessibility” an essential factor to consider?
a) It allows only certain users to access the system
b) It ensures the product is usable by people with varying abilities
c) It limits the types of users who can use the system
d) It focuses on the aesthetic appeal of the interface

A

It ensures the product is usable by people with varying abilities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What does “functionality” refer to in the context of UX?
a) How quickly the product loads
b) How well the product meets user needs and performs tasks
c) The overall look and feel of the product
d) The cost of developing the product

A

How well the product meets user needs and performs tasks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which of the following best defines the term “user interface” (UI)?
a) The appearance of a product’s packaging
b) The coding structure of a software application
c) The space where interactions between users and a product occur
d) The marketing strategy for a product

A

The space where interactions between users and a product occur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

“Human-Computer Interaction” (HCI) is best described as:
a) The study of programming languages
b) The study of network security
c) The study of interactions between humans and computers
d) The study of hardware components

A

The study of interactions between humans and computers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The ultimate goal of UX design is to:
a) Increase sales through aggressive marketing
b) Create a seamless and satisfying experience for the user
c) Design software only for expert users
d) Develop highly complex features

A

Create a seamless and satisfying experience for the user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which of these is NOT a common method used to evaluate UX?
a) Surveys and feedback forms
b) Code reviews
c) Usability testing
d) User observation

A

Code reviews

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Which principle emphasizes making products easy and natural for users to learn?
a) Aesthetics
b) Accessibility
c) Usability
d) Coding efficiency

A

Usability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Who coined the term “User Experience”?

A) Steve Jobs
B) Don Norman
C) Alan Turing
D) Tim Berners-Lee

A

Don Norman

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is a primary goal of User Experience (UX) design?

A) To make products as complicated as possible
B) To ensure users find value and satisfaction
C) To focus solely on visual design
D) To eliminate the need for user feedback

A

To ensure users find value and satisfaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What is a key principle of usability in UX design?

A) Complexity
B) Redundancy
C) Efficiency
D) Ambiguity

A

Efficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Which UX principle focuses on maintaining uniformity in design elements?

A) Usability
B) Clarity
C) Consistency
D) Flexibility

A

Consistency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

In Human-Computer Interaction (HCI), what does “interaction” refer to?

A) Communication between humans and computers
B) Design of computer hardware
C) User training programs
D) Social media engagement

A

Communication between humans and computers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Which of the following is NOT a goal of usability?

A) Safe to use
B) Easy to learn
C) Complicated interface
D) Efficient to use

A

Complicated interface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What is the importance of user personas in UX design?

A) To generalize all users into one profile
B) To empathize with the audience and guide design decisions
C) To replace user testing
D) To limit research methods

A

To empathize with the audience and guide design decisions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What is the focus of Information Architecture (IA) in UX?

A) Organizing and labeling content for easy navigation
B) Developing computer hardware
C) Visual appeal
D) Avoiding user input

A

Organizing and labeling content for easy navigation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Which principle ensures users are informed about the outcomes of their actions?

A) Simplicity
B) Affordance
C) Feedback
D) Discoverability

A

Feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

HCI primarily aims to create systems that are:

A) Complex and expensive
B) Easy to use and intuitive
C) Only usable by experts
D) Solely focused on aesthetics

A

Easy to use and intuitive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Which term describes the user’s overall interaction experience, including usability, accessibility, and satisfaction?

A) Visual Design
B) UI
C) UX
D) Interaction Design

A

UX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is the main purpose of wireframing in UX design?

A) To finalize the color scheme
B) To outline functionality before visual design
C) To test the final product with users
D) To increase product costs

A

To outline functionality before visual design

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Which of the following is an example of a bad design in HCI?

A) Simple ATM interface
B) Confusing parking signs
C) Clear website navigation
D) Easy-to-read fonts

A

Confusing parking signs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

In the UX design process, what does user research help with?

A) Removing user feedback
B) Understanding user needs and preferences
C) Focusing only on aesthetics
D) Avoiding the creation of user personas

A

Understanding user needs and preferences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Which of the following is essential for interaction design in UX?

A) Unpredictable controls
B) Clear and intuitive user engagement
C) Increasing cognitive load
D) Limiting user accessibility

A

Clear and intuitive user engagement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What does the term “HCI” stand for?

A) Human-Controlled Interface
B) Human-Computer Interaction
C) Hardware Control Interaction
D) Human Collaboration Interface

A

Human-Computer Interaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Why is visual design important in UX?

A) It is the only aspect of UX that matters
B) It affects user perception and engagement
C) It is purely decorative and not functional
D) It replaces usability and functionality

A

It affects user perception and engagement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What does “affordance” in UX design refer to?

A) The overall color scheme of a product
B) The ability of an element to suggest its function
C) The security of a product
D) Reducing the product’s cost

A

The ability of an element to suggest its function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Which UX principle emphasizes removing unnecessary complexity?

A) Simplicity and Clarity
B) Redundancy
C) Affordability
D) Flexibility

A

Simplicity and Clarity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

What is the primary role of prototypes in the UX design process?

A) To finalize the design
B) To test interactions and gather user feedback
C) To remove user input
D) To increase development time

A

To test interactions and gather user feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Which field is NOT typically involved in Human-Computer Interaction?

A) Cognitive Psychology
B) Computer Science
C) Geology
D) Engineering

A

Geology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

What does “HCI” prioritize in designing interfaces?

A) User needs and preferences
B) Developer preferences
C) Only aesthetic elements
D) Complexity of use

A

User needs and preferences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What is a key challenge in HCI?

A) Reducing system functionality
B) Designing interfaces without user feedback
C) Making technology accessible and effective for users
D) Ignoring usability testing

A

Making technology accessible and effective for users

50
Q

Which is NOT a usability goal?

A) Safety
B) Learnability
C) Memorability
D) Cost-effectiveness

A

Cost-effectiveness

51
Q

What is an essential aspect of user research in UX?

A) Gathering data on user needs, preferences, and pain points
B) Increasing the number of features
C) Avoiding user personas
D) Focusing only on functionality

A

Gathering data on user needs, preferences, and pain points

52
Q

Which concept involves creating fictional representations of target users?

A) Wireframing
B) User Stories
C) Personas
D) Feedback Loops

A

Personas

53
Q

Which of the following best defines Information Architecture (IA)?

A) The overall aesthetics of a product
B) The organization and labeling of content for navigation
C) The graphic elements used in an interface
D) The coding of the product

A

The organization and labeling of content for navigation

54
Q

What is the primary difference between UI and UX?

A) UX is focused on design, while UI is focused on user needs
B) UI refers to the look, while UX refers to the overall user experience
C) UI is about usability, UX is about layout
D) UX is only concerned with color schemes

A

UI refers to the look, while UX refers to the overall user experience

55
Q

Which of the following is a discipline that contributes to HCI?

A) Mechanical Engineering
B) Linguistics
C) Chemistry
D) Astronomy

A

Linguistics

56
Q

What is the focus of Interaction Design?

A) Determining system colors
B) Designing controls that facilitate user engagement
C) Writing user guides
D) Removing accessibility features

A

Designing controls that facilitate user engagement

57
Q

Which usability principle is demonstrated when a website shows a loading spinner?

A) Feedback
B) Simplicity
C) Affordance
D) Consistency

A

Feedback

58
Q

Which of the following is considered an example of bad design in HCI?

A) Easy-to-read fonts on mobile devices
B) Clear layout with sufficient white space
C) Busy screens with ads and unclear navigation
D) Intuitive touchscreen controls

A

Busy screens with ads and unclear navigation

59
Q

What does “memorability” refer to in UX usability goals?

A) Users can remember how to use the product easily
B) Users are required to memorize complex commands
C) The interface layout constantly changes
D) Users are required to complete training

A

Users can remember how to use the product easily

60
Q

Which of the following statements is NOT true about UX design?

A) It focuses on enhancing user satisfaction
B) It ignores user feedback once a product is live
C) It encompasses usability, accessibility, and satisfaction
D) It involves user research to inform design decisions

A

It ignores user feedback once a product is live

61
Q

What is “usability testing” in UX design?

A) Ensuring all aesthetic elements are finalized
B) Observing users interact with a prototype to improve the product
C) Removing unnecessary features
D) Focusing only on backend code quality

A

Observing users interact with a prototype to improve the product

62
Q

Which of these is a usability goal aimed at reducing user errors?

A) Memorability
B) Safety
C) Cost-effectiveness
D) Aesthetics

A

Safety

63
Q

In HCI, “user-centered design” involves:

A) Creating systems without user input
B) Focusing only on technology constraints
C) Involving users at every stage of the design process
D) Designing only for advanced users

A

Involving users at every stage of the design process

64
Q

What is the primary purpose of feedback in an interface?

A) To inform the user about the result of their action
B) To limit user control
C) To increase complexity in design
D) To distract the user

A

To inform the user about the result of their action

65
Q

Which of the following is NOT an example of feedback in UX?

A) A button changes color when clicked
B) An error message displays for incorrect input
C) Unlabeled navigation icons
D) A loading animation appears

A

Unlabeled navigation icons

66
Q

Which of the following can reduce cognitive load in interface design?

A) Overloading the user with multiple features
B) Using consistent iconography and clear layout
C) Placing unrelated actions in random order
D) Hiding all navigation options

A

Using consistent iconography and clear layout

67
Q
  1. What organization is responsible for standardizing ECMAScript?

A) IEEE
B) W3C
C) ISO
D) ECMA

A

ECMA

68
Q

In what year was ECMAScript 1, the first standardized version of JavaScript, released?

A) 1995
B) 1996
C) 1997
D) 1999

A

1997

69
Q

Which ECMAScript version introduced strict mode and JSON support?

A) ES3
B) ES4
C) ES5
D) ES6

A

ES5

70
Q

Which of the following is NOT a feature of ES6 (ECMAScript 2015)?

A) Arrow functions
B) Template literals
C) includes method for arrays
D) Classes

A

includes method for arrays (introduced in ES7)

71
Q

The keywords let and const introduced in ES6 provide which of the following advantages?

A) Block scoping
B) Automatic hoisting
C) Global scope only
D) Lack of reassignability

A

Block scoping

72
Q

Which of the following methods introduced in ES6 allows for better handling of asynchronous operations?

A) setTimeout
B) async/await
C) Promises
D) alert

A

Promises

73
Q

What is the primary purpose of the arrow functions introduced in ES6?

A) Provide a new way to declare classes
B) Offer a shorthand syntax for functions and manage this context more predictably
C) Allow nested loops
D) Automatically scope variables

A

Offer a shorthand syntax for functions and manage this context more predictably

74
Q

Which feature of ES6 is used to embed expressions into strings?

A) Template literals
B) Arrow functions
C) Spread operator
D) Rest parameters

A

Template literals

75
Q

What does the Object.entries() method introduced in ES8 do?

A) Returns all keys of an object as an array
B) Returns all values of an object as an array
C) Returns key-value pairs of an object as an array of arrays
D) Deletes key-value pairs in an object

A

Returns key-value pairs of an object as an array of arrays

76
Q

Which of the following was introduced in ES7 to check if an element exists in an array?

A) find()
B) findIndex()
C) includes()
D) some()

A

includes()

77
Q

What feature does the spread operator … introduced in ES6 offer?

A) Combining two functions
B) Separating strings into individual characters
C) Expanding elements of an array or object into another
D) Declaring variables

A

Expanding elements of an array or object into another

78
Q

Which of these ECMAScript updates introduced async functions with async and await keywords?

A) ES6
B) ES7
C) ES8
D) ES9

A

ES8

79
Q

Which ES9 feature allows for asynchronous iteration in JavaScript?

A) Promise.all
B) async function()
C) for-await-of
D) Array.flat()

A

for-await-of

80
Q

What does the Array.flat() method introduced in ES2019 do?

A) Replaces array elements with null values
B) Removes the last element of an array
C) Flattens nested arrays to a specified depth
D) Filters null elements from an array

A

Flattens nested arrays to a specified depth

81
Q

In which ECMAScript update was the exponential operator ** introduced?

A) ES6
B) ES7
C) ES8
D) ES9

A

ES7

82
Q

What year was the first version of ECMAScript (ES1) released?

A) 1995
B) 1996
C) 1997
D) 1998

A

1997

83
Q

Which ECMAScript version introduced JSON support and strict mode?

A) ES4
B) ES5
C) ES6
D) ES7

A

ES5

84
Q

ECMAScript 6 (ES6) is also known as:

A) ECMAScript 2012
B) ECMAScript 2015
C) ECMAScript 2018
D) ECMAScript 2017

A

ECMAScript 2015

85
Q

Which feature in ES6 helps to manage this context in functions?

A) Regular functions
B) Arrow functions
C) Template literals
D) Object literals

A

Arrow functions

86
Q

What is the scope of variables declared with let and const in ES6?

A) Global scope
B) Block scope
C) Function scope
D) Module scope

A

Block scope

87
Q

Which feature in ES6 allows embedding expressions within string literals?

A) Template literals
B) Spread operator
C) Destructuring
D) Arrow functions

A

Template literals

88
Q

Which of the following is a new collection type introduced in ES6?

A) Array
B) Object
C) Set
D) Tuple

A

Set

89
Q

How does const differ from let in ES6?

A) const is block-scoped, and let is function-scoped
B) const cannot be reassigned, while let can
C) const is globally scoped, and let is block-scoped
D) There is no difference

A

const cannot be reassigned, while let can

90
Q

Which ECMAScript version introduced the Array.prototype.includes() method?

A) ES5
B) ES6
C) ES7
D) ES8

A

ES7

91
Q

What does the spread operator … allow you to do in ES6?

A) Spread properties within objects only
B) Combine two strings
C) Expand arrays and objects within expressions
D) Create a deep copy of an object

A

Expand arrays and objects within expressions

92
Q

Which ECMAScript version introduced async/await syntax for handling asynchronous operations?

A) ES5
B) ES6
C) ES7
D) ES8

A

ES8

93
Q

The Symbol type was introduced in ES6. What is its primary purpose?

A) To create unique identifiers for object properties
B) To perform mathematical calculations
C) To define constants
D) To represent null values

A

To create unique identifiers for object properties

94
Q

What does Object.entries() return in ES8?

A) Array of object keys
B) Array of object values
C) Array of key-value pairs
D) An object of key-value pairs

A

Array of key-value pairs

95
Q

Which ES9 feature introduced the for-await-of loop?

A) Asynchronous iteration
B) Object cloning
C) Array destructuring
D) Functional programming

A

Asynchronous iteration

96
Q

The method Object.fromEntries() was introduced in which version of ECMAScript?

A) ES6
B) ES7
C) ES9
D) ES10

A

ES9

97
Q

What does Array.prototype.flat() do in ES2019?

A) Combines multiple arrays into one
B) Flattens a nested array to a specified depth
C) Maps over each element in an array
D) Removes duplicates from an array

A

Flattens a nested array to a specified depth

98
Q

What is a primary use of the Promise.prototype.finally() method introduced in ES9?

A) Run code after a promise is resolved
B) Run code after a promise is resolved or rejected
C) Retry a promise
D) Cancel a promise

A

Run code after a promise is resolved or rejected

99
Q

Which ES6 feature allows assigning variables from an array or object with a concise syntax?

A) Destructuring
B) Spread operator
C) Template literals
D) Classes

A

Destructuring

100
Q

In ES6, which keyword is used for defining classes?

A) function
B) var
C) class
D) define

A

class

101
Q

What is the purpose of the default parameters feature introduced in ES6?

A) To define the type of a parameter
B) To set a default value for a parameter if none is provided
C) To return the first parameter of a function
D) To automatically declare variables

A

To set a default value for a parameter if none is provided

102
Q

Which ES8 feature allows strings to be padded with additional characters?

A) String.prototype.repeat()
B) String.prototype.padStart() and padEnd()
C) String.prototype.includes()
D) String.prototype.trim()

A

String.prototype.padStart() and padEnd()

103
Q

What does the Object.getOwnPropertyDescriptors() method introduced in ES8 return?

A) Only the values of an object
B) Only the keys of an object
C) Descriptors for all properties of an object
D) An array of all methods in an object

A

Descriptors for all properties of an object

104
Q

What is a key feature of const variables in JavaScript?

A) They cannot be reassigned once defined
B) They can only be used in loops
C) They are always global
D) They do not allow object properties to change

A

They cannot be reassigned once defined

105
Q

The Map object introduced in ES6 is primarily used for:

A) Storing collections of data as key-value pairs
B) Defining global variables
C) Performing mathematical operations
D) Iterating over arrays

A

Storing collections of data as key-value pairs

106
Q

Which ES2019 feature simplifies accessing Symbol descriptions?

A) Symbol.prototype.id
B) Symbol.prototype.description
C) Symbol.getId()
D) Symbol.returnDescription()

A

Symbol.prototype.description

107
Q

In what year was the first version of ECMAScript (ES1) released?

A) 1995
B) 1996
C) 1997
D) 1998

A

1997

108
Q

Who developed JavaScript in 1995 while working at Netscape?

A) Tim Berners-Lee
B) Brendan Eich
C) Marc Andreessen
D) Larry Page

A

Brendan Eich

109
Q

In which year did Netscape submit JavaScript to ECMA International for standardization?

A) 1995
B) 1996
C) 1997
D) 1998

A

1996

110
Q

What year saw the release of ECMAScript 2, which primarily involved editorial changes?

A) 1997
B) 1998
C) 1999
D) 2000

A

1998

111
Q

. ECMAScript 3, a major update that introduced regular expressions and exception handling, was released in:

A) 1998
B) 1999
C) 2000
D) 2001

A

1999

112
Q

Which ECMAScript version, proposed in the mid-2000s, was abandoned due to stakeholder disagreements?

A) ES3
B) ES4
C) ES5
D) ES6

A

ES4

113
Q

Released in 2009, ECMAScript 5 introduced features such as strict mode and JSON support. What was the driving reason behind this update?

A) To support Internet Explorer exclusively
B) To add modern syntax for mobile development
C) To make JavaScript more robust and browser-compatible
D) To abandon support for Internet Explorer

A

To make JavaScript more robust and browser-compatible

114
Q

In which year did ECMAScript 6 (ES6), also known as ECMAScript 2015, get officially released?

A) 2014
B) 2015
C) 2016
D) 2017

A

2015

115
Q

The includes() method for arrays was introduced in which ECMAScript version?

A) ES5
B) ES6
C) ES7
D) ES8

A

ES7

116
Q

Async/Await was introduced in which ECMAScript version?

A) ES6
B) ES7
C) ES8
D) ES9

A

ES8

117
Q

Which year saw the introduction of ES9, which brought features like asynchronous iteration and Promise.prototype.finally()?

A) 2017
B) 2018
C) 2019
D) 2020

A

2018

118
Q

ES10, released in 2019, introduced which method for flattening arrays?

A) Array.prototype.flat()
B) Array.prototype.join()
C) Array.prototype.reduce()
D) Array.prototype.slice()

A

Array.prototype.flat()

119
Q

In what year did ECMAScript introduce BigInt and globalThis?

A) 2018
B) 2019
C) 2020
D) 2021

A

2020

120
Q

Which organization officially maintains the ECMAScript standard?

A) IEEE
B) ISO
C) ECMA International
D) W3C

A

ECMA International

121
Q

JavaScript was initially created under which name by Brendan Eich?

A) Mocha
B) LiveScript
C) ECMAScript
D) ActionScript

A

Mocha

122
Q

When was ECMAScript 2017 (ES8) officially released?

A) 2015
B) 2016
C) 2017
D) 2018

A

2017

123
Q

Who is credited with developing the concept of prototypal inheritance, a core part of JavaScript’s object model?

A) Douglas Crockford
B) Brendan Eich
C) Kyle Simpson
D) Mark Miller

A

Brendan Eich

124
Q

Which developer is known for promoting the “JavaScript: The Good Parts” philosophy?

A) Brendan Eich
B) Douglas Crockford
C) Kyle Simpson
D) Mathias Bynens

A

Douglas Crockford

125
Q

n what year did JavaScript celebrate its 25th anniversary?

A) 2020
B) 2021
C) 2022
D) 2019

A

2021

126
Q

The concept of strict mode in JavaScript was introduced in ES5 in which year?

A) 2008
B) 2009
C) 2010
D) 2011

A

2009

OOP (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions