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Basic Computer Systems - Hardware and Software
Terms in this set (44)
A purely digital device.
A type of electronic signal that is processed, sent, and stored in bits - binary digits.
A coding system that uses two numbers - 1 & 0.
The smallest unit of measurement a computer can understand.
1 million bytes
1 billion bytes
Single character of data, such as a letter, number, etc.
The physical components of a computer system.
Extra devices such as a printer or scanner. These are not required in order for the computer system to work.
The system unit along with input and output devices
Central Processing Unit (CPU)
Located on the motherboard; the circuitry that processes information - the "brain of the computer."
Any hardware component that allows a user to enter information into a computer.
Mouse, Trackball, Touch Pad, Pen Input
Bar Code Reader, Optical Mark Reader, Optical Character Reader, Page Scanner
Multimedia Input Devices
Microphone, Video Camera, Digital Camera
Any hardware component that can convey information to the user.
Provide a soft copy which is data projected on a screen.
Provide a hard copy which is data printed on paper
Pages Per Minute (PPM)
How the speed of a printer is measured.
Dots Per Inch (DPI)
How the quality of a printer is measured.
Ink-Jet and Laser Jet
Two most common types of printers.
The media on which data and information are kept.
Instructions that allow users to communicate with the computer; also called programs.
Operating System Software (OS)
System software that acts as a "go-between" allowing computer hardware and other software to communicate with each other. Examples: Microsoft Windows, Mac OS
The ability to create, edit, view, print, rename, copy, or delete files and folders.
The process of validating a user's logon information
Programs designed to disrupt or destroy the normal operation of a computer.
Programs that allow the user to perform specific tasks; also known as productivity software.
A software application that is designed to create, edit, format, print, and save text-based documents, such as letters, reports, and memos.
A software application that stores data in a grid of horizontal rows and vertical columns. The software is designed to analyze data using formulas and calculations.
An application software designed to create a visual display of information; can include text, graphics, and video.
An application software that is designed to combine text and graphics to create professional print-ready publications.
Programs that make it possible for a computer to transmit and receive information to and from other computers.
An extension at the of a file name typically made up of three characters.
File type: .docx
Microsoft Word Document
File type: .pptx
Microsoft PowerPoint Presentation
File type: xlsx
Microsoft Excel Spreadsheet
File type: .jpg
File type: .pdf
requires Adobe Reader; can be opened and read on any computer.
File type: .mp3
compressed audio file
File type: .wmv
windows media video
File type: .zip
compressed file format
A program designed to protect a computer system from viruses.
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