| Types of Memory |
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| ä | Model
for memory components |
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| ä | Registers
in memory are referred to as cells |
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| or
locations (Note: a processor’s registers |
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| are a
form of local memory) |
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| ä | Each
cell has an address (numerical name) |
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| used
to select it using the address bus |
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| ä | Number
of cells determines number of |
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| address
bits |
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| ä | 220
memory locations needs 20 address bits |
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