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Computer Science Vocabulary (All Units)

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

A way of representing information using only two options. Fill in the blank: ________

a)

Binary

b)

Decimal

c)

Hexadecimal

d)

Octal

2.

A way of representing information using ten options. Fill in the blank: ________

a)

Decimal

b)

Binary

c)

Octal

d)

Hexadecimal

3.

A contraction of 'Binary Digit'; the single unit of information in a computer, typically represented as a 0 or 1. Fill in the blank: ________

a)

Bit

b)

Byte

c)

Nibble

d)

Word

4.

8 bits. Fill in the blank: ________

a)

Byte

b)

Nibble

c)

Word

d)

Kilobyte

5.

Error from attempting to represent a number that is too large. Fill in the blank: ________

a)

Overflow Error

b)

Syntax Error

c)

Underflow Error

d)

Type Error

6.

Error from attempting to represent a number that is too precise. The value is rounded. Fill in the blank: ________

a)

Round-off Error

b)

Syntax Error

c)

Overflow Error

d)

Truncation Error

7.

Data with values that change continuously, or smoothly, over time. Some examples of this type of data include music, colors of a painting, or position of a sprinter during a race. Fill in the blank: ________

a)

Analog Data

b)

Digital Data

c)

Discrete Data

d)

Binary Data

8.

Data that changes discretely through a finite set of possible values. Fill in the blank: ________

a)

Digital Data

b)

Analog Data

c)

Continuous Data

d)

Random Data

9.

A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples. Fill in the blank: ________

a)

Sampling

b)

Quantization

c)

Modulation

d)

Encoding

10.

A process for reducing the number of bits needed to represent something without losing any information. This process is reversible. Fill in the blank: ________

a)

Lossless Compression

b)

Lossy Compression

c)

Encryption

d)

Decompression

11.

A process for reducing the number of bits needed to represent something in which some information is lost or thrown away. This process is not reversible. Fill in the blank: ________

a)

Lossy Compression

b)

Lossless Compression

c)

Encryption

d)

Decompression

12.

A work or invention that is the result of creativity, such as a piece of writing or a design, to which one has rights and for which one may apply for a patent, copyright, trademark, etc. Fill in the blank: ________

a)

Intellectual Property

b)

Physical Asset

c)

Natural Resource

d)

Public Domain

13.

A collection of public copyright licenses that enable the free distribution of an otherwise copyrighted work, used when an author wants to give people the right to share, use, and build upon a work that they have created. Fill in the blank: ________

a)

Creative Commons

b)

Public Domain

c)

Fair Use

d)

Open Source

14.

A machine that can run a program, including computers, tablets, servers, routers, and smart sensors is called a _________.

a)

Computing Device

b)

Peripheral Device

c)

Input Device

d)

Storage Device

15.

A group of computing devices and programs working together for a common purpose is called a _________.

a)

Computing System

b)

Database

c)

Network Cable

d)

Operating System

16.

A group of interconnected computing devices capable of sending or receiving data is called a _________.

a)

Computing Network

b)

Data Processor

c)

Input Device

d)

Software Application

17.

The series of connections between computing devices on a network starting with a sender and ending with a receiver is called a (a)   .

18.

The maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second, is called _________.

a)

Bandwidth

b)

Latency

c)

Throughput

d)

Protocol

19.

An agreed-upon set of rules that specify the behavior of some system is called a _________

a)

Protocol

b)

Algorithm

c)

Database

d)

Compiler

20.

The unique number assigned to each device on the Internet is called an _________

a)

IP Address

b)

MAC Address

c)

Subnet Mask

d)

Gateway

21.

A protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device is called _________.

a)

Internet Protocol (IP)

b)

Transmission Control Protocol (TCP)

c)

HyperText Transfer Protocol (HTTP)

d)

File Transfer Protocol (FTP)

22.

A type of computer that forwards data across a network is called a _________.

a)

Router

b)

Monitor

c)

Printer

d)

Keyboard

23.

A chunk of data sent over a network. Larger messages are divided into these that may arrive at the destination in order, out-of-order, or not at all. This chunk is called a _________?

a)

Packet

b)

Frame

c)

Segment

d)

Block

24.

The inclusion of extra components so that a system can continue to work even if individual components fail is called _________.

a)

Redundancy

b)

Efficiency

c)

Scalability

d)

Modularity

25.

The ability to continue to function even in the event of individual component failures is called being _________

a)

Fault Tolerant

b)

Load Balanced

c)

Redundant

d)

Scalable

26.

The protocol used for transmitting web pages over the Internet is called _________.

a)

HTTP (HyperText Transfer Protocol)

b)

FTP (File Transfer Protocol)

c)

SMTP (Simple Mail Transfer Protocol)

d)

POP3 (Post Office Protocol 3)

27.

The system responsible for translating domain names like example.com into IP addresses is called _________.

a)

Domain Name System (DNS)

b)

File Transfer Protocol (FTP)

c)

Simple Mail Transfer Protocol (SMTP)

d)

Hypertext Transfer Protocol (HTTP)

28.

A computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols is called the _________.

a)

Internet

b)

Intranet

c)

Extranet

d)

LAN

29.

A system of linked pages, programs, and files is called the _________.

a)

World Wide Web

b)

Internet

c)

Operating System

d)

Database

30.

Differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics, is called the _________

a)

Digital Divide

b)

Information Overload

c)

Net Neutrality

d)

Cloud Computing

31.

Fill in the blank: The ________ are the inputs and outputs that allow a user to interact with a piece of software. User interfaces can include a variety of forms such as buttons, menus, images, text, and graphics.

a)

User Interface

b)

Database

c)

Algorithm

d)

Compiler

32.

Fill in the blank: ________ are data that are sent to a computer for processing by a program. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.

a)

Input

b)

Output

c)

Storage

d)

Process

33.

Fill in the blank: ________ is any data that are sent from a program to a device. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.

a)

Output

b)

Input

c)

Storage

d)

Process

34.

Fill in the blank: A ________ is a command or instruction. Sometimes also referred to as a code statement.

a)

Program Statement

b)

Variable

c)

Function

d)

Loop

35.

Fill in the blank: A ________ is a collection of program statements. Programs run (or “execute”) one command at a time.

a)

Program

b)

Variable

c)

Loop

d)

Function

36.

Fill in the blank: ________ is when program statements run in order, from top to bottom.

a)

Sequential Programming

b)

Random Programming

c)

Parallel Programming

d)

Event-driven Programming

37.

Fill in the blank: ________ is when some program statements run when triggered by an event, like a mouse click or a key press.

a)

Event Driven Programming

b)

Sequential Programming

c)

Batch Processing

d)

Procedural Programming

38.

Fill in the blank: ________ is a written description of how a command or piece of code works or was developed.

a)

Documentation

b)

Execution

c)

Compilation

d)

Encryption

39.

Fill in the blank: ________ is a form of program documentation written into the program to be read by people and which do not affect how a program runs.

a)

Comment

b)

Variable

c)

Function

d)

Operator

40.

Fill in the blank: ________ is a collaborative programming style in which two programmers switch between the roles of writing code and tracking or planning high level progress.

a)

Pair Programming

b)

Solo Programming

c)

Mob Programming

d)

Extreme Programming

41.

Fill in the blank: ________ is finding and fixing problems in an algorithm or program.

a)

Debugging

b)

Compiling

c)

Designing

d)

Executing

42.

Fill in the blank: The ________ are the steps or phases used to create a piece of software. Typical phases include investigating, designing, prototyping, and testing.

a)

Development process

b)

User interface

c)

Source code

d)

Database schema

43.

Fill in the blank: An ________ is associated with an action and supplies input data to a program. Can be generated when a key is pressed, a mouse is clicked, a program is started, or by any other defined action that affects the flow of execution.

a)

Event

b)

Variable

c)

Loop

d)

Function

44.

Fill in the blank: A(n) ________ is a combination of operators and values that evaluates to a single value.

a)

Expression

b)

Statement

c)

Function

d)

Variable

45.

Fill in the blank: An ________ allows a program to change the value represented by a variable.

a)

Assignment Operator

b)

Comparison Operator

c)

Logical Operator

d)

Increment Operator

46.

Fill in the blank: A ________ is a named reference to a value that can be used repeatedly throughout a program.

a)

Variable

b)

Function

c)

Loop

d)

Constant

47.

Fill in the blank: A ________ is an ordered sequence of characters.

a)

String

b)

Integer

c)

Boolean

d)

Array

48.

Fill in the blank: A ________ is a data type that is either true or false.

a)

Boolean Value

b)

Integer

c)

String

d)

Character

49.

Fill in the blank: ________ such as <, >, <=, >=, ==, != indicate a Boolean expression.

a)

Comparison Operators

b)

Arithmetic Operators

c)

Assignment Operators

d)

Logical Operators

50.

Fill in the blank: ________ such as NOT, AND, and OR, evaluate to a Boolean value.

a)

Logical operator

b)

Arithmetic operator

c)

Assignment operator

d)

Comparison operator

51.

Fill in the blank: A ________ affects the sequential flow of control by executing different statements based on the value of a Boolean expression.

a)

Conditional Statement

b)

Loop Statement

c)

Assignment Statement

d)

Function Call

52.

Fill in the blank: A ________ is a named group of programming instructions. Also referred to as a 'procedure'.

a)

Function

b)

Variable

c)

Loop

d)

Constant

53.

Fill in the blank: A ________ is a command that executes the code within a function.

a)

Function Call

b)

Function Definition

c)

Variable Assignment

d)

Loop Statement

54.

Fill in the blank: ________ is data about data.

a)

Metadata

b)

Algorithm

c)

Protocol

d)

Database

55.

Fill in the blank: ________ is scientific research conducted in whole or part by distributed individuals, many of whom may not be scientists, who contribute relevant data to research using their own computing devices.

a)

Citizen Science

b)

Peer Review

c)

Double Blind Study

d)

Meta Analysis

56.

Fill in the blank: ________ is a process that makes the data uniform without changing its meaning (e.g., replacing all equivalent abbreviations, spellings, and capitalizations with the same word).

a)

Cleaning Data

b)

Data Encryption

c)

Data Visualization

d)

Data Mining

57.

Fill in the blank: ________ is a relationship between two pieces of data, typically referring to the amount that one varies in relation to the other.

a)

Correlation

b)

Division

c)

Summation

d)

Permutation

58.

Fill in the blank: ________ is the practice of obtaining input or information from a large number of people via the Internet.

a)

Crowdsourcing

b)

Outsourcing

c)

Networking

d)

Data Mining

59.

Fill in the blank: ________ is the collection of facts and patterns extracted from data.

a)

Information

b)

Noise

c)

Error

d)

Guess

60.

Fill in the blank: ________ is data that does not accurately reflect the full population or phenomenon being studied.

a)

Data bias

b)

Data mining

c)

Data encryption

d)

Data visualization

61.

Fill in the blank: ________ is choosing a smaller subset of a data set to use for analysis, for example by eliminating / keeping only certain rows in a table.

a)

Data filtering

b)

Data visualization

c)

Data encryption

d)

Data aggregation

62.

Fill in the blank: An ordered collection of elements is called a _______.

a)

List

b)

Dictionary

c)

Set

d)

Tuple

63.

Fill in the blank: An individual value in a list that is assigned a unique index is called an _______.

a)

Element

b)

Array

c)

Function

d)

Operator

64.

Fill in the blank: A common method for referencing the elements in a list or string using numbers is called an _______.

a)

Index

b)

Array

c)

Pointer

d)

Function

65.

Fill in the blank: A repetitive portion of an algorithm which repeats a specified number of times or until a given condition is met is called an _______.

a)

Iteration

b)

Condition

c)

Variable

d)

Function

66.

Fill in the blank: When the ending condition will never evaluate to true, it is called an _______ _______.

(a)  

67.

Fill in the blank: The process of accessing each item in a list one at a time is called _______.

a)

Traversal

b)

Sorting

c)

Searching

d)

Insertion

68.

Fill in the blank: Managing complexity in programs by giving a collection of data a name without referencing the specific details of the representation is called _______ _______.

a)

Data abstraction

b)

Encapsulation

c)

Polymorphism

d)

Inheritance

69.

Fill in the blank: A ________ is a variable in a function definition. Used as a placeholder for values that will be passed through the function.

a)

Parameter

b)

Constant

c)

Operator

d)

Statement

70.

Fill in the blank: An ________ is the value passed to the parameter.

a)

Argument

b)

Function

c)

Variable

d)

Operator

71.

Fill in the blank: ________ is used to return the flow of control to the point where the procedure (also known as a function) was called and to return the value of expression.

a)

Return

b)

Break

c)

Continue

d)

Goto

72.

Fill in the blank: ________ is a process and allows a procedure to be used only knowing what it does, not how it does it. It allows a solution to a large problem to be based on the solution of smaller subproblems.

a)

Procedural abstraction

b)

Encapsulation

c)

Polymorphism

d)

Inheritance

73.

Fill in the blank: A ________ is a group of functions (procedures) that may be used in creating new programs.

a)

Library

b)

Variable

c)

Constant

d)

Operator

74.

Fill in the blank: ________ stands for Application Program Interface - specifications for how functions in a library behave and can be used.

a)

API

b)

CPU

c)

RAM

d)

HTML

75.

Fill in the blank: ________ is the subdivision of a computer program into separate subprograms.

a)

Modularity

b)

Compilation

c)

Iteration

d)

Recursion

76.

What is the term for the following definition? Includes a program as an integral part of its function. Can be physical (e.g. self-driving car), non-physical computing software (e.g. picture editing software), or non-physical computing concepts (e.g., e-commerce).

a)

Computing Innovation

b)

Algorithm

c)

Database

d)

Network Protocol

77.

What is the term for the following definition? Information about an individual that identifies, links, relates, or describes them.

a)

Personally Identifiable Information (PII)

b)

Public Key Infrastructure (PKI)

c)

Protected Health Information (PHI)

d)

Payment Card Industry Data Security Standard (PCI DSS)

78.

What is the term for the following definition? A technique that attempts to trick a user into providing personal information. That personal information can then be used to access sensitive online resources, such as bank accounts and emails.

a)

Phishing

b)

Encryption

c)

Firewall

d)

Malware

79.

What is the term for the following definition? The use of a program to record every keystroke made by a computer user in order to gain fraudulent access to passwords and other confidential information.

a)

Keylogging

b)

Phishing

c)

Spoofing

d)

Ransomware

80.

What is the term for the following definition? Software intended to damage a computing system or to take partial control over its operation.

a)

Malware

b)

Firmware

c)

Shareware

d)

Freeware

81.

What is the term for the following definition? A wireless access point that gives unauthorized access to secure networks.

a)

Rogue Access Point

b)

Proxy Server

c)

Firewall

d)

Network Switch

82.

What is the term for the following definition? A process of encoding messages to keep them secret, so only "authorized" parties can read it.

(a)  

83.

What is the term for the following definition? A process that reverses encryption, taking a secret message and reproducing the original plain text.

a)

Decryption

b)

Encryption

c)

Encoding

d)

Compression

84.

What is the term for the following definition? Involves one key for both encryption and decryption.

a)

Symmetric Key Encryption

b)

Asymmetric Key Encryption

c)

Hashing

d)

Public Key Infrastructure

85.

What is the term for the following definition? Pairs a public key for encryption and a private key for decryption. The sender does not need the receiver's private key to encrypt a message, but the receiver's private key is required to decrypt the message.

a)

Public Key Encryption

b)

Symmetric Key Encryption

c)

Hashing

d)

Digital Signature

86.

What is the term for the following definition? A system that requires at least two steps to unlock protected information; each step adds a new layer of security that must be broken to gain unauthorized access.

a)

Multi-factor Authentication

b)

Single Sign-On

c)

Password Manager

d)

Encryption

87.

What is the term for the following definition? Protects a computing system against infection.

a)

Computer Virus Scanning Software

b)

Word Processing Software

c)

Spreadsheet Application

d)

Presentation Software

88.

A general description of a task that can (or cannot) be solved with an algorithm is called a ________.

a)

Problem

b)

Solution

c)

Algorithm

d)

Procedure

89.

A finite set of instructions that accomplish a task is called an ________.

a)

Algorithm

b)

Database

c)

Compiler

d)

Network

90.

Putting steps in an order is called ________.

a)

Sequencing

b)

Estimating

c)

Comparing

d)

Grouping

91.

Deciding which steps to do next is called ________.

a)

Selection

b)

Iteration

c)

Execution

d)

Calculation

92.

Doing some steps over and over is called ________.

a)

Iteration

b)

Condition

c)

Abstraction

d)

Compilation

93.

A measure of how many steps are needed to complete an algorithm is called ________.

a)

Efficiency

b)

Recursion

c)

Iteration

d)

Syntax

94.

A search algorithm which checks each element of a list, in order, until the desired value is found or all elements in the list have been checked is called ________.

a)

Linear Search

b)

Binary Search

c)

Depth First Search

d)

Breadth First Search

95.

A search algorithm that starts at the middle of a sorted set of numbers and removes half of the data; this process repeats until the desired value is found or all elements have been eliminated is called ________.

a)

Binary Search

b)

Linear Search

c)

Bubble Sort

d)

Depth First Search

96.

Algorithms with a polynomial efficiency or lower (constant, linear, square, cube, etc.) are said to run in ________.

a)

Reasonable Time

b)

Exponential Time

c)

Infinite Time

d)

Unpredictable Time

97.

Algorithms with exponential or factorial efficiencies are examples of algorithms that run in an ________.

a)

Unreasonable Time

b)

Constant Time

c)

Linear Time

d)

Polynomial Time

98.

A solution that provides a 'good enough' answer to a problem when an actual solution is impractical or impossible is called a ________.

a)

Heuristic

b)

Algorithm

c)

Paradigm

d)

Protocol

99.

A problem with a yes/no answer (e.g., is there a path from A to B?) is called a ________.

a)

Decision Problem

b)

Optimization Problem

c)

Enumeration Problem

d)

Search Problem

100.

A problem with the goal of finding the 'best' solution among many (e.g., what is the shortest path from A to B?) is called an ________.

a)

Optimization Problem

b)

Sorting Problem

c)

Decision Problem

d)

Classification Problem