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10 Cards in this Set
- Front
- Back
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A computer system refers to the computer and peripheral devices that work as a team to do these three things:
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1. Receive information.
2. Process information. 3. Output information. |
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What is the difference between ROM and RAM?
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1. RAM is the temporary memory that is designed to hold new data and is available only when the computer is on.
2. ROM is the permanent internal storage memory used to store instructions that are installed or programmed at the manufacturer. |
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Keyboards, mice, scanners, microphones, and web cams are examples of what kind of device?
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Input devices.
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Speakers, projectors, computer monitors and document cameras are examples of what kind of device?
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Output devices.
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A computer must have peripheral devices to do these three things:
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1. Input the information.
2. Output the information. 3. Store the information for later use. |
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The processing of information takes part in what part of the computer system?
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CPU (Central Processing Unit).
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External hard disk drives, flash drives and CD-Roms are examples of what kind of devices?
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Storage Devices.
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How many bits comprise a byte?
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8 bits.
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The processor speed is expressed in:
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Megahertz or gigahertz.
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What does DPI stand for?
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Dots per Inch.
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