/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 47 How is memory divided in the sin... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 10: Problem 47

How is memory divided in the single contiguous memory management approach?

Short Answer

Expert verified
Memory is divided into an operating system area and a user process area in the single contiguous memory management approach.

Step by step solution

01

Understanding Contiguous Memory Management

In the single contiguous memory management approach, memory is allocated in one large, contiguous block. This approach divides the system's memory into two main parts: one for the operating system and the other for the user processes.
02

Operating System Space Allocation

The first part of the memory is reserved for the operating system. This space is often fixed, meaning that its size does not change dynamically based on system demand and remains constant during the run-time of the system.
03

User Process Space Allocation

The second part of the memory is allocated for all user processes. This area occupies the remaining memory after the operating system's space. It allows a single process to execute at a time in the entire space allocated for user processes, without extra divisions or partitions.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Operating System Memory Allocation
In a single contiguous memory management system, memory allocation starts with reserving space for the operating system. This allocation involves designating a fixed portion of the system memory exclusively for OS operations. This section of the memory is critical, as it ensures the operating system has the necessary resources to function smoothly and manage the overall system performance.

  • The reserved space is not flexible; its size remains static throughout the operation of the computer system.
  • This dedicated allocation prevents the operating system from competing for memory with user applications, safeguarding against potential system instabilities.
Understanding this division is crucial because it helps keep the operating system functioning independently of user processes, establishing a stable platform for running applications.
User Process Memory Allocation
Once the operating system's memory allocation is set, the remaining memory is dedicated to user processes. In a contiguous memory management system, this means all available memory outside the OS segment is allocated to a single user process at a time. This memory is also contiguous, ensuring that user applications can run smoothly without being fragmented.

  • This simplifies memory management because there is only one block to manage, reducing overhead and complexity.
  • It also means that only one process can occupy this space completely before it passes control back or gets swapped out for another process.
One of the main drawbacks of this approach is that it does not support multitasking efficiently, as multiple processes cannot share the memory space concurrently.
Memory Management Techniques
Contiguous memory management is one of the simplest techniques but has its limitations. It provides some advantages, such as reducing overhead by using large blocks of memory. However, it falls short in terms of flexibility and utilization.

  • One limitation is the absence of support for multiple processes, which is crucial for modern computing demands.
  • Memory fragmentation can occur if not managed properly, as fixed partitions can lead to inefficient use if a process requires less memory than the assigned block.
Despite this, understanding contiguous memory management principles lays the groundwork for exploring more advanced techniques like paging and segmentation, where memory is divided into smaller, more manageable sections that allow for greater flexibility and efficiency.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Explain the term multiprogramming.

If more than one partition is being used (either fixed or dynamic), what does the base register contain?

Which is the operating system of choice for Apple computers?

Name and describe three CPUscheduling algorithms.

Describe how a process might move through the various process states. Cite specific reasons why this process moves from one state to another.
See all solutions

Recommended explanations on Computer Science Textbooks

Data Structures

Read Explanation

Computer Systems

Read Explanation

Cybersecurity in Computer Science

Read Explanation

Functional Programming

Read Explanation

Computer Programming

Read Explanation

Data Representation in Computer Science

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.