Computer Organization and Architecture Mock Test 2

10%

Question 1 of 10

1. _____ the most suitable data structure used to store the return addresses in the case of nested subroutines.

Queue

List

Stack

Heap

Question 1 of 10

Question 2 of 10

2. The reserved memory or private space of the subroutine gets deallocated when _______

None of the mentioned

The pointer reaches the end of the space

The stop instruction is executed by the routine

When the routine's return statement is executed

Question 2 of 10

Question 3 of 10

3. During the transfer of data between the processor and memory we use ______

Cache

Buffers

TLB

Registers

Question 3 of 10

Question 4 of 10

4. The method of accessing the I/O devices by repeatedly checking the status flags is ___________

Program-controlled I/O

I/O mapped

None of the mentioned

Memory-mapped I/O

Question 4 of 10

Question 5 of 10

5. The unit which acts as an intermediate agent between memory and backing store to reduce process time is ___________

Page tables

Registers

Cache

TLB's

Question 5 of 10

Question 6 of 10

6. The advantage of I/O mapped devices to memory mapped is ___________

The devices have to deal with fewer address lines

The former offers faster transfer of data

The devices connected using I/O mapping have a bigger buffer space

No advantage as such

Question 6 of 10

Question 7 of 10

7. The collection of the above mentioned entities where data is stored is called ______

Block

Set

Word

Byte

Question 7 of 10

Question 8 of 10

8. What is subroutine nesting?

Having multiple subroutines in a program

None of the mentioned

Having one routine call the other

Using a linking nest statement to put many subroutines under the same name

Question 8 of 10

Question 9 of 10

9. When generating physical addresses from a logical address the offset is stored in __________

Translation look-aside buffer

Relocation register

Shift register

Page table

Question 9 of 10

Question 10 of 10

10. The return address of the Sub-routine is pointed to by _______

Special memory registers

MAR

Question 10 of 10