Power supply of computer

  The power supply unit is the piece of hardware that’s used to convert the power provided from the outlet into usable power for the many parts inside the computer case. It converts the alternating current (AC) into a continuous form of power that the computer components need in order to run normally, called direct … Read more

Definition of memory and Its types

Computer memory:-It is any physical device capable of storing information temporarily or permanently. In others words Memory is internal storage areas in the computer system. The term memory identifies data storage that comes in the form of chips, and the word storage is used for memory that exists on tapes or disks. Moreover, the term … Read more

Geometry of Hard Disk Drive

  Overview of Hard Disk Drive Geometry The geometry of a hard disk drive is the organization of data on platters. The geometry of the hard disk specifies how and where the data is stored on the surface of each platter the geometry of the hard disk drive is usually specified by the following numerical … Read more

Component of a hard disk

What Is the Hard Disk-: Hard disk is a non-volatile memory hardware device which is use to store and retrieve computer data. So it is called non-volatile devices which can store any type of data in the computer for a long time. In other words we can say that the computer keeps the data safe … Read more

computer output devices

Output device:- An output device is any  peripheral that receives data from a computer, usually for display, projection, or physical reproduction. For example, the image shows an inkjet printer, an output device that can make a hard copy  of any information shown on your monitor, which is another example of an output device. Monitors and printers are two of … Read more

Computer Input device

Definition:- When you work with the computer you enter your date and instruction through some devices to the computer. These devices are called input devices. The input devices are necessary to convert data or instructions enter into the computer to a form which can be recognized by the computer. Some of the commonly used input … Read more

Components and Peripherals of Computer

Introduction to Computer Components and Peripherals-: A computer consists of several physical components and each physical component is designated to perform one of the operations discussed in the previous section. These physical components of a computer are called hardware. The computer hardware device can be attached internally or externally to the computer. Devices connected internal … Read more

How Computer Works

A computer usually performs four major operations or functions mentioned below Input: Accepting data and instruction Processing: Process the data based on instructions Output: Produce the processed data to the output devices Storage: Stores the data/Information on the Hard disk

Basic Elements of a Computer

Hardware & Software:- Computer consists of two basic building called Hardware & Software. All the physical parts of the computer which can felt are Hardware components. Example: Motherboard, Hard disk, SMPS, Processor, RAM etc. Software is set of programs containing set of instructions to perform the task. It can be classified in to system software … Read more