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Computer Systems
Definition of parts
Term | Definition |
---|---|
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 |