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18 Cards in this Set
- Front
- Back
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Binary system
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system that has just two unique digits; 1 and zero, called bits
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Bit
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the smallest unit of data the computer can process
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Byte
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eight bits grouped together to form a unit
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Memory
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consists of electronic components that store instructions waiting to be executed by the processor
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Volatile memory
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memory that is lost when the power is turned off
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Nonvolatile memory
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memory that does not loose its contents when power is removed
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RAM memory
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memory chips that can be read from and written to by the processor
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ROM memory
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memory chips storing permanent data and instructions
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Memory module
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a small circuit board
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Memory slot
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slots that hold memory modules
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Cache
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stores frequently used instructions
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L1 Cache
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Cache built directly in the processor chip, very small capacity
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L2 Cache
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advanced transfer cache, larger capacity but slower
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ROM (read-only memory)
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memory chips storing permanent data and instructions
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Flash memory
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type of nonvolatile memory that can be erased electronically and re-written
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CMOS
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technology that uses little power and has battery backup
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Access time
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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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