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WorksheetsComputer Science Vocabulary (All Units)
Total questions: 100
Worksheet time: 50mins
A way of representing information using only two options. Fill in the blank: ________
Binary
Decimal
Hexadecimal
Octal
A way of representing information using ten options. Fill in the blank: ________
Decimal
Binary
Octal
Hexadecimal
A contraction of 'Binary Digit'; the single unit of information in a computer, typically represented as a 0 or 1. Fill in the blank: ________
Bit
Byte
Nibble
Word
8 bits. Fill in the blank: ________
Byte
Nibble
Word
Kilobyte
Error from attempting to represent a number that is too large. Fill in the blank: ________
Overflow Error
Syntax Error
Underflow Error
Type Error
Error from attempting to represent a number that is too precise. The value is rounded. Fill in the blank: ________
Round-off Error
Syntax Error
Overflow Error
Truncation Error
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: ________
Analog Data
Digital Data
Discrete Data
Binary Data
Data that changes discretely through a finite set of possible values. Fill in the blank: ________
Digital Data
Analog Data
Continuous Data
Random Data
A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples. Fill in the blank: ________
Sampling
Quantization
Modulation
Encoding
A process for reducing the number of bits needed to represent something without losing any information. This process is reversible. Fill in the blank: ________
Lossless Compression
Lossy Compression
Encryption
Decompression
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: ________
Lossy Compression
Lossless Compression
Encryption
Decompression
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: ________
Intellectual Property
Physical Asset
Natural Resource
Public Domain
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: ________
Creative Commons
Public Domain
Fair Use
Open Source
A machine that can run a program, including computers, tablets, servers, routers, and smart sensors is called a _________.
Computing Device
Peripheral Device
Input Device
Storage Device
A group of computing devices and programs working together for a common purpose is called a _________.
Computing System
Database
Network Cable
Operating System
A group of interconnected computing devices capable of sending or receiving data is called a _________.
Computing Network
Data Processor
Input Device
Software Application
The series of connections between computing devices on a network starting with a sender and ending with a receiver is called a (a) .
The maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second, is called _________.
Bandwidth
Latency
Throughput
Protocol
An agreed-upon set of rules that specify the behavior of some system is called a _________
Protocol
Algorithm
Database
Compiler
The unique number assigned to each device on the Internet is called an _________
IP Address
MAC Address
Subnet Mask
Gateway
A protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device is called _________.
Internet Protocol (IP)
Transmission Control Protocol (TCP)
HyperText Transfer Protocol (HTTP)
File Transfer Protocol (FTP)
A type of computer that forwards data across a network is called a _________.
Router
Monitor
Printer
Keyboard
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 _________?
Packet
Frame
Segment
Block
The inclusion of extra components so that a system can continue to work even if individual components fail is called _________.
Redundancy
Efficiency
Scalability
Modularity
The ability to continue to function even in the event of individual component failures is called being _________
Fault Tolerant
Load Balanced
Redundant
Scalable
The protocol used for transmitting web pages over the Internet is called _________.
HTTP (HyperText Transfer Protocol)
FTP (File Transfer Protocol)
SMTP (Simple Mail Transfer Protocol)
POP3 (Post Office Protocol 3)
The system responsible for translating domain names like example.com into IP addresses is called _________.
Domain Name System (DNS)
File Transfer Protocol (FTP)
Simple Mail Transfer Protocol (SMTP)
Hypertext Transfer Protocol (HTTP)
A computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols is called the _________.
Internet
Intranet
Extranet
LAN
A system of linked pages, programs, and files is called the _________.
World Wide Web
Internet
Operating System
Database
Differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics, is called the _________
Digital Divide
Information Overload
Net Neutrality
Cloud Computing
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.
User Interface
Database
Algorithm
Compiler
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.
Input
Output
Storage
Process
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.
Output
Input
Storage
Process
Fill in the blank: A ________ is a command or instruction. Sometimes also referred to as a code statement.
Program Statement
Variable
Function
Loop
Fill in the blank: A ________ is a collection of program statements. Programs run (or “execute”) one command at a time.
Program
Variable
Loop
Function
Fill in the blank: ________ is when program statements run in order, from top to bottom.
Sequential Programming
Random Programming
Parallel Programming
Event-driven Programming
Fill in the blank: ________ is when some program statements run when triggered by an event, like a mouse click or a key press.
Event Driven Programming
Sequential Programming
Batch Processing
Procedural Programming
Fill in the blank: ________ is a written description of how a command or piece of code works or was developed.
Documentation
Execution
Compilation
Encryption
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.
Comment
Variable
Function
Operator
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.
Pair Programming
Solo Programming
Mob Programming
Extreme Programming
Fill in the blank: ________ is finding and fixing problems in an algorithm or program.
Debugging
Compiling
Designing
Executing
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.
Development process
User interface
Source code
Database schema
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.
Event
Variable
Loop
Function
Fill in the blank: A(n) ________ is a combination of operators and values that evaluates to a single value.
Expression
Statement
Function
Variable
Fill in the blank: An ________ allows a program to change the value represented by a variable.
Assignment Operator
Comparison Operator
Logical Operator
Increment Operator
Fill in the blank: A ________ is a named reference to a value that can be used repeatedly throughout a program.
Variable
Function
Loop
Constant
Fill in the blank: A ________ is an ordered sequence of characters.
String
Integer
Boolean
Array
Fill in the blank: A ________ is a data type that is either true or false.
Boolean Value
Integer
String
Character
Fill in the blank: ________ such as <, >, <=, >=, ==, != indicate a Boolean expression.
Comparison Operators
Arithmetic Operators
Assignment Operators
Logical Operators
Fill in the blank: ________ such as NOT, AND, and OR, evaluate to a Boolean value.
Logical operator
Arithmetic operator
Assignment operator
Comparison operator
Fill in the blank: A ________ affects the sequential flow of control by executing different statements based on the value of a Boolean expression.
Conditional Statement
Loop Statement
Assignment Statement
Function Call
Fill in the blank: A ________ is a named group of programming instructions. Also referred to as a 'procedure'.
Function
Variable
Loop
Constant
Fill in the blank: A ________ is a command that executes the code within a function.
Function Call
Function Definition
Variable Assignment
Loop Statement
Fill in the blank: ________ is data about data.
Metadata
Algorithm
Protocol
Database
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.
Citizen Science
Peer Review
Double Blind Study
Meta Analysis
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).
Cleaning Data
Data Encryption
Data Visualization
Data Mining
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.
Correlation
Division
Summation
Permutation
Fill in the blank: ________ is the practice of obtaining input or information from a large number of people via the Internet.
Crowdsourcing
Outsourcing
Networking
Data Mining
Fill in the blank: ________ is the collection of facts and patterns extracted from data.
Information
Noise
Error
Guess
Fill in the blank: ________ is data that does not accurately reflect the full population or phenomenon being studied.
Data bias
Data mining
Data encryption
Data visualization
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.
Data filtering
Data visualization
Data encryption
Data aggregation
Fill in the blank: An ordered collection of elements is called a _______.
List
Dictionary
Set
Tuple
Fill in the blank: An individual value in a list that is assigned a unique index is called an _______.
Element
Array
Function
Operator
Fill in the blank: A common method for referencing the elements in a list or string using numbers is called an _______.
Index
Array
Pointer
Function
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 _______.
Iteration
Condition
Variable
Function
Fill in the blank: When the ending condition will never evaluate to true, it is called an _______ _______.
(a)
Fill in the blank: The process of accessing each item in a list one at a time is called _______.
Traversal
Sorting
Searching
Insertion
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 _______ _______.
Data abstraction
Encapsulation
Polymorphism
Inheritance
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.
Parameter
Constant
Operator
Statement
Fill in the blank: An ________ is the value passed to the parameter.
Argument
Function
Variable
Operator
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.
Return
Break
Continue
Goto
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.
Procedural abstraction
Encapsulation
Polymorphism
Inheritance
Fill in the blank: A ________ is a group of functions (procedures) that may be used in creating new programs.
Library
Variable
Constant
Operator
Fill in the blank: ________ stands for Application Program Interface - specifications for how functions in a library behave and can be used.
API
CPU
RAM
HTML
Fill in the blank: ________ is the subdivision of a computer program into separate subprograms.
Modularity
Compilation
Iteration
Recursion
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).
Computing Innovation
Algorithm
Database
Network Protocol
What is the term for the following definition? Information about an individual that identifies, links, relates, or describes them.
Personally Identifiable Information (PII)
Public Key Infrastructure (PKI)
Protected Health Information (PHI)
Payment Card Industry Data Security Standard (PCI DSS)
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.
Phishing
Encryption
Firewall
Malware
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.
Keylogging
Phishing
Spoofing
Ransomware
What is the term for the following definition? Software intended to damage a computing system or to take partial control over its operation.
Malware
Firmware
Shareware
Freeware
What is the term for the following definition? A wireless access point that gives unauthorized access to secure networks.
Rogue Access Point
Proxy Server
Firewall
Network Switch
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)
What is the term for the following definition? A process that reverses encryption, taking a secret message and reproducing the original plain text.
Decryption
Encryption
Encoding
Compression
What is the term for the following definition? Involves one key for both encryption and decryption.
Symmetric Key Encryption
Asymmetric Key Encryption
Hashing
Public Key Infrastructure
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.
Public Key Encryption
Symmetric Key Encryption
Hashing
Digital Signature
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.
Multi-factor Authentication
Single Sign-On
Password Manager
Encryption
What is the term for the following definition? Protects a computing system against infection.
Computer Virus Scanning Software
Word Processing Software
Spreadsheet Application
Presentation Software
A general description of a task that can (or cannot) be solved with an algorithm is called a ________.
Problem
Solution
Algorithm
Procedure
A finite set of instructions that accomplish a task is called an ________.
Algorithm
Database
Compiler
Network
Putting steps in an order is called ________.
Sequencing
Estimating
Comparing
Grouping
Deciding which steps to do next is called ________.
Selection
Iteration
Execution
Calculation
Doing some steps over and over is called ________.
Iteration
Condition
Abstraction
Compilation
A measure of how many steps are needed to complete an algorithm is called ________.
Efficiency
Recursion
Iteration
Syntax
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 ________.
Linear Search
Binary Search
Depth First Search
Breadth First Search
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 ________.
Binary Search
Linear Search
Bubble Sort
Depth First Search
Algorithms with a polynomial efficiency or lower (constant, linear, square, cube, etc.) are said to run in ________.
Reasonable Time
Exponential Time
Infinite Time
Unpredictable Time
Algorithms with exponential or factorial efficiencies are examples of algorithms that run in an ________.
Unreasonable Time
Constant Time
Linear Time
Polynomial Time
A solution that provides a 'good enough' answer to a problem when an actual solution is impractical or impossible is called a ________.
Heuristic
Algorithm
Paradigm
Protocol
A problem with a yes/no answer (e.g., is there a path from A to B?) is called a ________.
Decision Problem
Optimization Problem
Enumeration Problem
Search Problem
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 ________.
Optimization Problem
Sorting Problem
Decision Problem
Classification Problem
