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18 Cards in this Set
- Front
- Back
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binary sistem
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number system that has just 2 unique two digits, 0 and 1 called bits
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bit
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smallest unit of data the computer can process
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byte
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8 bits grouped together as a unit
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memory
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consists of electronic components that store instructions wating to be executed by the processor
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volatile memory
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when the cpu's turned off this loses its contents
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nonvolatile memory
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doesnt lose its contents when the power is turned off
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RAM
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random access memory chips that can be read from and written to by processor and other devices
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ROM
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read only, 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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hold memory modules on the motherboard
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cache
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used by computers to improce processing times
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L1 cache
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built directly in processor chip usually very small capacity ranging from 8-128 KB
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L2 cache
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slower than l1 cache but has a much larger capacity, ranging from 64 KB to 16 MB
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ROM
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read-only memory refers to 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 rewritten
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CMOS
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complementary metal oxide semiconductor
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Access time
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amt. of time it takes the processor to read data instructions and info from memory
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Nanaosecond
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1 billionth of a second
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