Classical

Computer Organization Architecture - Cache and main memory

16:   Which of the following is the internal memory of the system (computer) ?
A. CPU register
B. Cache
C. Main memory
D. All of these
 
 

Option: D

Explanation :


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

List I
A. An 8-bit wide 5 word sequential memory will have
B. A 256 x 4 EPROM has

List II
1. 8 Fixed 'AND' gates and 4 programmable OR' gate
2. Eight 4 bit shift registers
3. 4 words of 32-bits each
4. 8 address pins and 4 data pins output

CODES:
A B
A. 1 2
B. 3 2
C. 2 3
D. 4 2
 
 

Option: D

Explanation :

2. Eight 4 bit shift registers
3. 4 words of 32-bits each
4. 8 address pins and 4 data pins output

CODES:
A B
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18:   An advantage of memory interfacing is that
A. A large memory is obtained
B. Effective speed of the memory is increased
C. The cost of the memory is reduced
D. A volatile memory is obtained
 
 

Option: B

Explanation :


19:  

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.

A.

smaller, smaller

B.

smaller, larger

C.

larger, smaller

D.

larger, larger

 
 

Option: C

Explanation :


20:  

Which of the following is/are advantages of virtual memory ?

A.

Faster access to memory on an average.

B.

Processes can be given protected address spaces.

C.

Programms larger than the physical memory size can be run.

D.

All of these

 
 

Option: C

Explanation :




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