The 80386 in protected mode, supports all software written for

If the 80386 enters the protected mode from the real address mode, then it returns back to the real mode, by performing the operation of

A

read

B

write

C

terminate

D

reset

The 80386 in its protected mode, in its virtual mode of operation, can run the applications of

A

8086

B

80286

C

80287

D

80387

In protected mode of 80386, the VM flag is set by using

A

IRET instruction

B

Task switch operation

C

IRET instruction or task switch operation

D

None of the mentioned

For a single task in protected mode, the 80386 can address the virtual memory of

A

32 GB

B

64 MB

C

32 TB

D

64 TB

The memory management of 80386 supports

A

virtual memory

B

paging

C

four levels of protection

D

all of the mentioned

The descriptor table that the 80386 supports is

A

GDT (Global descriptor table)

B

IDT (Interrupt descriptor table)

C

LDT (Local descriptor table)

D

All of the mentioned

What supports multitasking in 80386?

A

Read mode

B

External paging memory management unit

C

Paging and segmentation

D

On-chip paging memory management unit

The VM (virtual mode) flag is to be set, only when 80386 is in

A

virtual mode

B

protected mode

C

either virtual or protected mode

D

all of the mentioned

The instructions available in the 80386 that are not available in its real address mode is

A

addressing techniques

B

instructions for protected address mode

C

instructions for interrupt handling

D

all of the mentioned

The segments in 80386 real mode are

A

overlapped

B

non-overlapped

C

either overlapped or non-overlapped

D

none of the mentioned

The 80386 in protected mode, supports all software written for

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