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MCQ

For larger page tables, they are kept in main memory and a __________ points to the page table.

page table base register

page table base pointer

page table register pointer

page table base

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MCQ

A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because ____________

it reduces the memory access time to read or write a memory location

it helps to reduce the size of page table needed to implement the virtual address space of a process

it is required by the translation lookaside buffer

it helps to reduce the number of page faults in page replacement algorithms

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MCQ

A memory buffer used to accommodate a speed differential is called ____________

stack pointer

cache

accumulator

disk buffer

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MCQ

Consider a machine in which all memory reference instructions have only one memory address, for them we need at least _____ frame(s).

one

two

three

none of the mentioned

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MCQ

Each entry in a segment table has a ____________

segment base

segment peak

segment value

none of the mentioned

Discussion

MCQ

When a page is selected for replacement, and its modify bit is set ____________

the page is clean

the page has been modified since it was read in from the disk

the page is dirty

the page has been modified since it was read in from the disk & page is dirty

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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

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