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18 Cards in this Set
- Front
- Back
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binary system
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a number system that has just 2 unique digits
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bit
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smallest unit of data that computer can process
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byte
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8 bits grouped together
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memory
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consists of electronic components that store instruction waiting to be executed by the processor
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volatile memory
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when computer is shut off it loses its contents
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nonvolatile memory
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it does not lose contents when power is shut off
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RAM memory
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consist of memory chips that can be read from and written by the processor
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ROM memory
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refers to memory chips storing permanent data and instructions
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memory module
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small circuit board
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memory slot
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holds memory module
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cache
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improves processing times
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L1 cache
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built in processor chip usually has small capacity
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L2 cache
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slower than L1 cache but has much larger capacity
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rom
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read only memory
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flash memory
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nonvolatile memory that can be erased electronically and rewritten
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CMOS
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provides high speeds and consumes little power
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access time
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the amount of time it takes the processor to read data
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nanosecond
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one billionth of a second
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