memory management questions and answers pdf
Memory management is the functionality of an operating system which handles or manages primary memory and moves processes back and forth between main memory and disk during execution. Describe the two general roles of an operating system, and elaborate why these roles are important. chip, a memory management unit (MMU). Answer: To provide an environment for a computer user to execute programs on computer hardware in a convenient and efficient manner. • Logical address – generated by the CPU; also referred to as virtual address • Physical address – address seen by the memory unit • Logical and physical addresses are the same in compile-time and load- Artiﬁcially contiguous addresses. What are the three main purposes of an operating system? A Parallel Virtual Machine . Addresses in physical memory … View Answer Discuss. 8: Memory Management 4 MEMORY MANAGEMENT • The concept of a logical address space that is bound to a separate physical address space is central to proper memory management. 11 Uses for Memory Mapping Relocation. Question No : 2 A process is _____ A program in main memory . To allocate the separate resources of the computer as needed to solve the problem given. Memory protection. Download Operating System MCQ Question Answer PDF. It checks how much memory is to be allocated to processes. Contiguous addresses in virtual memory may be mapped to to addresses that are not contiguous in physical memory. Correct Answer : A. Memory Management questions and answers of Computer Awareness for private & government jobs, competitive examination and entrance test, interview, online preparation. Share this question with your friends. Operating System (OS) Questions & Answers Chapter 1: Introduction 1. A MMU makes it possible for all processes in memory to start at the same address. The provided Operating System Memory Management Questions start from the basics and later to the advanced … Solved examples with detailed answer description. Solved examples with detailed answer description, explanation are given and it would be easy to understand. C Process Virtual Machine . This simpliﬁes memory allocation. D Process Virtual Monitor . Memory management keeps track of each and every memory location, regardless of either it is allocated to some process or it is free. The first general role of an operating system is to provide an ABSTRACTION layer for software to run on a machine without needing to know hardware-specific implementation details. B Parallel Virtual Message . B Program in cache memory . This is the questions and answers section on "Operating Systems Memory Management" with the explanation for various interview, competitive examination and entrance test. Sample Exam Questions and Answers Tommy Sailing 1. 1; 2; 3 » Question No : 1 PVM stands for .