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9 Cards in this Set
- Front
- Back
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What are Address lines equivalent to? |
Address lines are equivalent to memory locations. |
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Equation for Memory cells in a memory module |
2n x D (data lines) |
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What is a memory map? |
Representation of internal Organisation of memory |
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Define volatile memory |
Computer storage that needs power to maintain Data/ information |
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What does pulling not output enable do when a word is being Read? |
Pulling it low enables tristates on the 8 data lines of memory; allowing the word stored in the accessed location to control the state of the 8 lines of data. BASICALLY ACTIVATES MEMORY CHIP |
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What does pulling not chip enabler do? |
TELLS THE MODULE TO ‘OUTPUT’ |
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What are the Steps to ‘READ’ from memory |
1. Place word on Address bus 2. Hold not write enable HIGH 3.Pull not output enable low 4.Pull not chip enabler low |
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What does the data bus do? |
Transfers words into or out of the memory |
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What do the supply rails do? |
Provides the memory with energy |
