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MCQ

The percentage of times a page number is found in the TLB is known as ____________

miss ratio

hit ratio

miss percent

none of the mentioned

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MCQ

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

they are in different memory spaces

they are in different logical addresses

they have a protection algorithm

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

Discussion

MCQ

To obtain better memory utilization, dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. For implementing dynamic loading ____________

special support from hardware is required

special support from operating system is essential

special support from both hardware and operating system is essential

user programs can implement dynamic loading without any special support from hardware or operating system

Discussion

MCQ

Operating System maintains the page table for ____________

each process

each thread

each instruction

each address

Discussion

MCQ

In internal fragmentation, memory is internal to a partition and ____________

is being used

is not being used

is always used

none of the mentioned

Discussion

MCQ

Applying the LRU page replacement to the following reference string. 1 2 4 5 2 1 2 4 The main memory can accommodate 3 pages and it already has pages 1 and 2. Page 1 came in before page 2. How many page faults will occur?

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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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Report Error

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