a) There are two types of RAM: dynamic RAM (DRAM) and static RAM (SRAM). Five statements about
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a) There are two types of RAM: dynamic RAM (DRAM) and static RAM (SRAM). Five statements about DRAM and RAM are shown below. Copy the diagram below and connect each statement to the appropriate type of RAM.
b) Give three differences between RAM and ROM.
c) DVD-RAM and f lash memory are two examples of storage devices.
Describe two differences in how they operate.
Transcribed Image Text:
Statement Type of RAM requires the data to be refreshed periodically in order to retain data has more complex circuitry DRAM does not need to be refreshed as the circuit holds the data as long as the power supply is on requires higher power consumption which is significant when used in battery-powered devices SRAM used predominantly in cache memory of processors where speed is important
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Related Book For
Cambridge International AS & A Level Computer Science
ISBN: 9781510457591
1st Edition
Authors: David Watson, Helen Williams
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