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Hardware

vocab of computer components

TermDefinition
Central processing unit (CPU) The chip located inside the system unit of a computer that performs the processing for a computer
GHz – (gigahertz) speed of a processor counted by billions of ticks per second
MHz – (megahertz) speed of a processor counted by millions of ticks per second
Monitor A display device that projects images onto a display screen
Hard disk drive A storage system consisting of one or more metal magnetic disks permanently sealed with an access mechanism inside its drive
Motherboard The main circuit board of a computer to which all computer system components connect.
System Unit The container that holds the motherboard and keeps components safe.
Network Interface Card Enables a PC to connect to a network
Optical Drive Adds read and write capabilities to your computer for portability
GB, Gigabyte Storage measurement in billions of bytes
Random access memory (RAM) provides a high speed, temporary location for the computer to hold data and program instructions
Bit The smallest unit of computing, consists of either a 0 or 1 (on or off)
Byte 8 bits makes 1 byte
Video Graphic Adapter Enables the connection of a monitor and may provide additional graphics capabilities
Software a set of instructions that tells the computer what actions to perform
Application software a collection of programs (tools) that perform specific tasks. Word, PowerPoint, Excel, Access
System software a collection of programs that manage and coordinate the activities of the computer system
Commercial Software software that is developed and sold for a profit
Shareware software that is available free of charge for a trial purpose (temporary)
Freeware can be used, copied, and shared with others without charge
Public domain software non-copyrighted software that can be used without restriction
Bit short for binary digit, a bit is the fundamental unit of information having two possible values, 0 or 1.
Byte The sequence of 0s and 1s that make up data are usually counted in groups of 8, and these groups of 8 bits are called bytes.
Binary Number a number system consisting of 0’s and 1’s that are used to represent information on a computer.
Word Processing software allows users to create, edit, and print documents like letters, memos and reports
Spreadsheet software provides users with a convenient way to create documents containing complex mathematical calculations
Database software allows users to store and organize large amounts of data and retrieve specific information when needed
Presentation software allows users to create visual presentations to convey information to others
Multimedia the integration of a variety of media (text, graphics, video, animation, sound, etc) into an application or presentation
Utility Program a type of systems program written to perform a specific system task. Usually related to managing or maintaining the system. (diagnostics, cleaning, antivirus, etc)
Created by: larsonjm