Question Discussion & Solution

MCQ

A solution to the problem of external fragmentation is ____________

compaction

larger memory space

smaller memory space

none of the mentioned

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MCQ

Every address generated by the CPU is divided into two parts. They are ____________

frame bit and page number

page number and page offset

page offset and frame bit

frame offset and page offset

Discussion

MCQ

Transient operating system code is ____________

is not easily accessible

comes and goes as needed

stays in the memory always

never enters the memory space

Discussion

NAT

A system uses demand paging with a page size of 4 KB. The memory access time is 100 ns, and the page fault service time (including swap in and restart) is 10 ms. If the effective access time (EAT) must not exceed 200 ns, what is the maximum acceptable page fault rate (in terms of number of faults per memory access, rounded to the nearest integer power of 10)?

Discussion

MCQ

When the valid-invalid bit is set to valid, it means that the associated page ____________

is in the TLB

has data in it

is in the process's logical address space

is the system's physical address space

Discussion

MCQ

When using counters to implement LRU, we replace the page with the ____________

smallest time value

largest time value

greatest size

none of the mentioned

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

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

Report Error

Community Discussion

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