memory-management Archives

If memory allocation using new is failed in C++ then how it should be handled?

In this article, if memory allocation using new is failed in C++ then how it should be handled? When an object of a class is… Read More

C++-new and delete

C-Dynamic Memory Allocation

memory-management

C++

Difference between Static and Dynamic Memory Allocation in C

Basic

Memory Allocation: Memory allocation is a process by which computer programs and services are assigned with physical or virtual memory space. The memory allocation is… Read More

Dynamic Memory Allocation

memory-management

C

C++

Difference Between

Cache Hits in Memory Organization

User has memory machine. It has one layer for data storage and another layer for cache. User has stored an array with length N in… Read More

memory-management

Computer Organization & Architecture

First Fit algorithm in Memory Management using Linked List

Medium

First Fit Algorithm for Memory Management: The first memory partition which is sufficient to accommodate the process is allocated. We have already discussed first fit… Read More

memory-management

Algorithms

Data Structures

Linked List

Operating Systems

Worst-Fit Allocation in Operating Systems

For both fixed and dynamic memory allocation schemes, the operating system must keep list of each memory location noting which are free and which are… Read More

memory-management

Operating Systems-Memory Management

GATE CS

Operating Systems

First-Fit Allocation in Operating Systems

For both fixed and dynamic memory allocation schemes, the operating system must keep list of each memory location noting which are free and which are… Read More

memory-management

Operating Systems-Memory Management

GATE CS

Operating Systems

Differences between Magnetic Tape and Magnetic Disk

Magnetic Tapes and Magnetic Disks are the types of magnetic memory. Both are called non-volatile storage and used for store data. Magnetic tape contains thin… Read More

memory-management

Computer Organization & Architecture

Difference Between

GATE CS

Difference between Random Access Memory (RAM) and Hard Disk Drive (HDD)

A person novice to computers often is in confusion between Random Access Memory (RAM) and Hard Disk Drive (HDD). Here we draw comparisons between the… Read More

memory-management

Computer Organization & Architecture

GATE CS

Operating Systems

Memory leak in C++ and How to avoid it?

Easy

Memory leakage occurs in C++ when programmers allocates memory by using new keyword and forgets to deallocate the memory by using delete() function or delete[]… Read More

C-Dynamic Memory Allocation

memory-management

C++

2D and 2.5D Memory organization

Medium

The internal structure of Memory either RAM or ROM is made of memory cells that contain a memory bit. A group of 8 bits makes… Read More

memory-management

Computer Organization & Architecture

Requirements of Memory Management System

Medium

Memory management keeps track of the status of each memory location, whether it is allocated or free. It allocates the memory dynamically to the programs… Read More

memory-management

GATE CS

Operating Systems

Program for Worst Fit algorithm in Memory Management

Easy

Prerequisite : Partition allocation methods Worst Fit allocates a process to the partition which is largest sufficient among the freely available partitions available in the… Read More

memory-management

Greedy

Program for Best Fit algorithm in Memory Management

Easy

Prerequisite : Partition allocation methods Best fit allocates the process to a partition which is the smallest sufficient partition among the free available partitions. Example:… Read More

memory-management

Greedy

Program for First Fit algorithm in Memory Management

Basic

Prerequisite : Partition Allocation Methods In the first fit, the partition is allocated which is first sufficient from the top of Main Memory. Example :… Read More

memory-management

Greedy

Virtual Memory in Operating System

Medium

Virtual Memory is a storage allocation scheme in which secondary memory can be addressed as though it were part of main memory. The addresses a… Read More

memory-management

Operating Systems