 | Term | Definition |
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function keys |
keys on the keybord that used to give commands to the computer |
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input devices |
enables the user to input data and commands into the computer |
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keybord |
devceces that allow a user to enter text and/or simple commands |
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output devices |
devices that enable the computer to give the results of the porcessed data |
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touch screen |
input device where you use your fingers to"point" to an object on the screen |
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trackball |
pointing device that works like a mouse turned upside down; contols the movement of the on-screen pointer |
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voice recognition |
input device used to "speek" commands into the computers and to enter text |
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CD-ROM |
disk that can store up to 680 MB of data; data can only be read from it |
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DVD |
also called ditial versatle disk; full-langth movies can be stored on this medium |
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flash drive |
portable storage device that pluges into a USB port |
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hard drive |
contrained within your computer 's tower the hard drive provides the PC's main storrage area.it cocontains my documints, and all the other programs the C: drive |
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malwear |
a type of computer programs used by hackers and unscrupulous advertising advertising agencies to spy on computer users.these programs make computers less effect and slow, and sometimes provide theives with important info. they can also "hijack" a computer and use it to crash a website without the compyter owne's knowlage! |
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parallel ports |
ports used to physically connect input and output devices to the computer. Parallel ports transmit data 8 bits at a time. |
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Resolution |
The number of pixels or dots that a monitor can display. |
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Serial Ports |
Ports used to physically connect input and output devices to a computer. |
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USB Ports |
A new type of port thats takin the place of all the other ports--more powerful and versatile than parallel ports. |
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Virus |
Computer program that is written to cause corruption of data. |
