Chapter 3
Terms
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- DVD
- Also called Digital Versatile Disk; full length movies can be stored on this medium.
- CD-ROM
- Disk that can hold up to 680 MB of data; data can only be read from it.
- Virus
- Computer program that's written to cause corruption of data.
- Input Devices
- Enables the user to input data and cmmands into the computer.
- Voice Recognition
- Input devices used to speakcommands onto the computer and to enter text.
- Parellel POrts
- Ports used to physically connect input and output devices to the computer. Parallel ports transmit data eight bits at a time.
- Track Ball
- Poiting davice that works like a mouse turned upside down: Controls the movement of the on- screen printer.
- Function Keys
- Keys on the keyboard that are used to give commannds to the computer.
- Output Devices
- Devices that enable ythe computer to give the user the results of the processed data.
- Flash Drive
- Portable storage device that can be plugged into a USB Port.
- Touch Screen
- Input devices where you use tour fingers to point to an object on the screen.
- Malware
- A type of computer program used by hackers and unsculpulous advertising adencies to spy on computer users. These programs make less efficient and slow, and sometimes provide thieves with important information. They can also hiijack a computer and use it to crash a website without the Owner's knowledge!
- Serial Ports
- Ports used to physically connect input and output devices to the computer. Serial ports transmit one bit at a time.
- Hard Drive
- Contained within your computer tower, the hard drive provides the PC's main storage area. It contains My Documents, and all the other folders and programs on theC: Drive.
- keyboard
- device that allows a user to enter text and/or simple commands.
- USB Ports
- A new type of port that's taking place of all the other ports--more powerful and versatile than parallel ports.
- Fesolution
- The number of pixels or dots that a monitor can display.