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Computer Systems

Definition of parts

Computer Hardware parts of the computer you can touch: keyboard, monitor, mouse, video card, etc.
CPU Central Processing unit. Processes program instructions
RAM Random access Memory. Holds program instructions temporarily, loses all data when power goes out. When RAM is low your computer slows down.
Input Devices Keyboard, mouse, microphone, scanner
Output Devices monitor, printer, speakers, projector
Bytes Order byte, kilobyte, Megabyte, Gigabyte, Terabyte
Hertz Measures processing speed of the CPU
Multitask being able to use more than one program at a time
Operating System Software controls overall functions of the computer
Application Software excel, web browsers (firefox), word, email, etc.
Word Processing create documents such as reports, letters, research paper
Spreadsheet performs calculations. budgets, charts, financial planner
Presentations slide shows to help with lectures to a group
Database handles large amounts of data such as, student records and patient records
Table when you setup the database to get ready to use it
Form when you enter information into the database
Query searches for information in the database
Report displays information from database
playbutton and sparkly adds new record
Network Two or more computers connected together
WAN A network that extends over a large geographic area
LAN A networks that extends over a small geographic area
Internet Global network connecting millions of computers
World Wide Web branch of internet interlinked by documents
Internet service provider company that provides internet access for a fee, xfinity
Web Browser a program that allows you to connect to your computer to web pages
URL Web Address
hyperlink a piece of text or an image that takes you to another web page
Search engine to search for websites
Domain .com=commercial .org=organization .net=network provider .edu=education .gov=government .mil=military .int=internation
Header A section of the document that appears in the top margin
Clipboard Where items that have been copied or cut are stored before they are pasted
Hanging Indent The 2nd line of a bibliography reference is indented 1/2 inch
Template The structure and layout of the document has been designed for you
[+] How you select an entire table
Created by: godfrjac000