The computer memory is one of the most important elements in a computer system. It stores data and instructions required during the processing of data and output results. Storage may be required for a limited period of time, instantly or for an extended period of time. Computer memory refers to the electronic holding place for… Continue reading »
Introduction Computer being a versatile machine can process different types of data. so to work with these data types we need different type of devices which can help us to enter such data types in the computer and to receive their outputs as well in this chapter we will cover many such devices like keyboard,… Continue reading »
Computer Keyboard A Computer Keyboard is a kind of typewriter device that consists of several buttons and keys that acts as an input device for Computer machine. After the evolution of punch cards and typewriter the Computer Keyboard has been a major evolution for various Computer devices. It contains characters, letters, numbers and special characters… Continue reading »
Basics of Computer Hardware: A Computer is an electronic device that has two essential parts including hardware and software to perform various operations. That means without hardware parts in a computer, software is of no work and vice versa. So, we need both hardware and software to run a Computer and can perform multiple operations…. Continue reading »
Introduction: The term Application refers to Software which is a set of instructions or code written in a program for executing a task or an operation in a Computer. Applications play a vital role in a Computer as it is an end-user program that enables the users to do many things in a system. The… Continue reading »
Click here: A Brief History of the Computer With Timeline(1614 -1890). Click here: Computer History With Timeline(1900 – 1946). Click here: Computer History With Timeline(1947 – 1968). 1970 – UNIX is an operating system developed by Ken Thompson, Dennis Ritchie, and others developers of Bell Labs research center.It’s entirely written in C language., making it… Continue reading »
Operating System: The short form of Operating system is OS. That is very useful to the computer and mobiles properly. OS support several kinds of applications of devices to maintain the device properly those applications are following. 1. Disk management 2. Device Management 3. Application Management 4. Memory Allocation 5. CPU Utilizations 6. Memory Storage… Continue reading »
Overview: Process Management: Processes Threads CPU Scheduling Process Synchronization Deadlocks Memory Management: Main Memory Viral Memory Storage Management: File System Interface File System Implementation Mass Storage Structure I/O Systems Distributed Systems: Protection and Security => Special Purpose Systems Case Studies: Linux Window XP Operating System Concepts Hierarchy Diagram: Operating System concepts hierarchy diagram. This contains… Continue reading »