Graded A+ 2025/2026
Output - Data produced by the computer for other people or devices.
Output Device - formats and presents output
Application software - programs that make computer useful for every day tasks
System Software - programs that control and manage basic operations of a computer
Byte - just enough memory to store letter or small number
Bit - electrical component that can hold positive or negative charge, like on/off switch
ASCII (American Standard Code for Information Interchange) - defines codes for only
128 characters
Unicode - A character code that enables most of the languages of the world to be
symbolized with a special character identification. Supports ASCII.
Digital - describes any device that stores data as binary numbers
Assembly Language - uses short words (mnemonics) for instructions instead of binary
numbers
Assembler - translates assembly language to machine language for execution by CPU
Low-level Language - close in nature to machine language
High-Level language - allows simple creation of powerful and complex programs
Keywords - predefined words used to write program in high-level language
Operators - perform operations on data
Syntax - set of rules to be followed when writing program
Statement - individual instruction used in high-level language
Compiler - translates high-level language program into separate machine language
program
Interpreter - translates and executes instructions in high-level language program