Computer Organization And Architecture - Memory Hierarchy

16. A dynamic RAM consists of

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17. Which of the following is the internal memory of the system (computer) ?

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18. Match List I with List II and select the correct answer form the codes given below the list.

List IList II
A. An 8-bit wide 5 word sequential memory will have1. 8 Fixed 'AND' gates and 4 programmable OR' gate
B. A 256 x 4 EPROM has2. Eight 4 bit shift registers
 3. 4 words of 32-bits each
 4. 8 address pins and 4 data pins output

CODES:

 AB
A.12
B.32
C.23
D.42

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19. An advantage of memory interfacing is that

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20. In a virtual memory system the address space specified by the address lines of the CPU must be -----------than the physical memory size and -----------than the secondary storage size.

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