Memory Management Questions

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41.

The main memory accommodates ____________

A

operating system

B

cpu

C

user processes

D

all of the mentioned

Correct Answer: A

None.

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42.

The operating system is?

A

in the low memory

B

in the high memory

C

either low or high memory (depending on the location of interrupt vector)

D

none of the mentioned

Correct Answer: C

None.

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43.

In contiguous memory allocation ____________

A

each process is contained in a single contiguous section of memory

B

all processes are contained in a single contiguous section of memory

C

the memory space is contiguous

D

none of the mentioned

Correct Answer: A

None.

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44.

The relocation register helps in ____________

A

providing more address space to processes

B

a different address space to processes

C

to protect the address spaces of processes

D

none of the mentioned

Correct Answer: C

None.

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45.

With relocation and limit registers, each logical address must be _______ the limit register.

A

less than

B

equal to

C

greater than

D

none of the mentioned

Correct Answer: A

None.

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46.

The operating system and the other processes are protected from being modified by an already running process because ____________

A

they are in different memory spaces

B

they are in different logical addresses

C

they have a protection algorithm

D

every address generated by the CPU is being checked against the relocation and limit registers

Correct Answer: D

None.

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47.

Transient operating system code is  ____________

A

is not easily accessible

B

comes and goes as needed

C

stays in the memory always

D

never enters the memory space

Correct Answer: B

None.

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48.

Using transient code, _______ the size of the operating system during program execution.

A

increases

B

decreases

C

changes

D

maintains

Correct Answer: C

None.

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49.

When memory is divided into several fixed sized partitions, each partition may contain ________

A

exactly one process

B

at least one process

C

multiple processes at once

D

none of the mentioned

Correct Answer: A

None.

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50.

In fixed size partition, the degree of multiprogramming is bounded by ___________

A

the number of partitions

B

the CPU utilization

C

the memory size

D

all of the mentioned

Correct Answer: A

None

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