Question Discussion & Solution

MCQ

LRU page-replacement algorithm associates with each page the ______

time it was brought into memory

the time of that page

page after and before it

all of the mentioned

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MCQ

Which of the following is TRUE?

Overlays are used to increase the size of physical memory

Overlays are used to increase the logical address space

When overlays are used, the size of a process is not limited to the size of the physical memory

Overlays are used whenever the physical address space is smaller than the logical address space

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MCQ

In contiguous memory allocation ____________

each process is contained in a single contiguous section of memory

all processes are contained in a single contiguous section of memory

the memory space is contiguous

none of the mentioned

Discussion

MCQ

If a higher priority process arrives and wants service, the memory manager can swap out the lower priority process to execute the higher priority process. When the higher priority process finishes, the lower priority process is swapped back in and continues execution. This variant of swapping is sometimes called?

priority swapping

pull out, push in

roll out, roll in

none of the mentioned

Discussion

MCQ

Sometimes the overhead of keeping track of a hole might be ____________

larger than the memory

larger than the hole itself

very small

all of the mentioned

Discussion

MCQ

The page table contains ____________

base address of each page in physical memory

page offset

page size

none of the mentioned

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Introduction to Operating System

Types

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CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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