Computer Science Key
Terms 2026 | Vocabulary,
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Ethics Study Guide
Updated 2026 Questions and Answers
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Included
,ABSTRACTION picking out important information
ACCUMULATOR the part of the ALU that stores the intermediate results when doing a calculation
ACTIVE ATTACK a network attack where a hacker attempts to change data or include malware
ALGORITHMIC THINKING coming up with an algorithm to solve a problem
ALGORITHM a step-by-step set of rules or instructions
ALPHANUMERIC the collective name for letters, digits and symbols
ANALOGUE SIGNAL a continuous signal which can't be processed by a computer
AND one of the boolean operators
ANTI-MALWARE software designed to stop malware from damaging a computer of network
APPLICATION a piece of software written to help users do various tasks often through a GUI
APP software for phones and tablets usually with one purpose.
ARCHITECTURE describes how the cpu works and interacts with the other parts of the computer
system
, ARGUMENT a value that a parameter of a sub program actually takes
ALU part of the cpu that carries out arithmetic and boolean operations
ARITHMETIC OPERATOR an operator that programs use to carry out simple mathematical operations
ARRAY a data structure where all data is stored and defined under one variable name
ASCII a 7-bit character set consisting of 128 characters
ASSEMBLER a program that turns assembly language into machine code
ASSEMBLY LANGUAGE a low-level language
ASSIGNMENT OPERATOR assigns the value on the right hand side to the name on the left hand side
AUTHENTICATION a process for checking the identify of a user
AUTO-DOCUMENTAION a programming tool commonly used to make a summary of a program
BACKDOOR a vulnerability in a computer or networker's security that a hacker could exploit
BACK UP UTILITY computer programs to create exact copies of files
Terms 2026 | Vocabulary,
Study Guide, Practice
Questions, Answers &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,ABSTRACTION picking out important information
ACCUMULATOR the part of the ALU that stores the intermediate results when doing a calculation
ACTIVE ATTACK a network attack where a hacker attempts to change data or include malware
ALGORITHMIC THINKING coming up with an algorithm to solve a problem
ALGORITHM a step-by-step set of rules or instructions
ALPHANUMERIC the collective name for letters, digits and symbols
ANALOGUE SIGNAL a continuous signal which can't be processed by a computer
AND one of the boolean operators
ANTI-MALWARE software designed to stop malware from damaging a computer of network
APPLICATION a piece of software written to help users do various tasks often through a GUI
APP software for phones and tablets usually with one purpose.
ARCHITECTURE describes how the cpu works and interacts with the other parts of the computer
system
, ARGUMENT a value that a parameter of a sub program actually takes
ALU part of the cpu that carries out arithmetic and boolean operations
ARITHMETIC OPERATOR an operator that programs use to carry out simple mathematical operations
ARRAY a data structure where all data is stored and defined under one variable name
ASCII a 7-bit character set consisting of 128 characters
ASSEMBLER a program that turns assembly language into machine code
ASSEMBLY LANGUAGE a low-level language
ASSIGNMENT OPERATOR assigns the value on the right hand side to the name on the left hand side
AUTHENTICATION a process for checking the identify of a user
AUTO-DOCUMENTAION a programming tool commonly used to make a summary of a program
BACKDOOR a vulnerability in a computer or networker's security that a hacker could exploit
BACK UP UTILITY computer programs to create exact copies of files
