Segmentation Questions

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11.

The total descriptors that the 80386 can handle is

A

2K

B

8K

C

4K

D

16K

Correct Answer: D

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12.

The bit that indicates whether the segment has been accessed by the CPU or not is

A

base address

B

attribute bit

C

present bit

D

granular bit

Correct Answer: B

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13.

The TYPE field of a descriptor is used to find the

A

descriptor type

B

segment type

C

descriptor and segment type

D

none

Correct Answer: C

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14.

If the segment descriptor bit, S=0, then the descriptor is

A

data segment descriptor

B

code segment descriptor

C

system descriptor

D

all of the mentioned

Correct Answer: C

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15.

The bit that indicates whether the segment is page addressable is

A

base address

B

attribute bit

C

present bit

D

granularity bit

Correct Answer: D

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16.

If the Default operation size bit, D=1, the code segment operation size selected is

A

8-bit

B

16-bit

C

32-bit

D

64-bit

Correct Answer: C

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17.

The segment descriptor contains

A

access rights

B

limit

C

base address

D

all of the mentioned

Correct Answer: D

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18.

Which of the following is not a type of segment descriptor?

A

system descriptors

B

local descriptors

C

gate descriptors

D

none

Correct Answer: D

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19.

limit field of the descriptor is of

A

10 bits

B

8 bits

C

16 bits

D

20 bits

Correct Answer: D

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20.

The starting address of the segment in physical memory is decided by

A

physical memory

B

segment descriptors

C

operating system

D

base address

Correct Answer: C

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