Computer Basic

Types of Computer Languages

Machine language Assembly Language High Level Language

What is a computer?

Computer is an electronic device that transforms data into meaningful Information. A computer can accept data store data process data as desired retrieve the stored data print the result in desired format. The major characteristics of a computer are high speed, accuracy,diligence, versatility and storage.

Introduction to Operating System

Operating System An Operating System (OS) is System Software. It is an interface between a computer user and computer hardware.It performs many tasks such as File management Lorem ipsum dolor sit amet, consectetur adipisicing elit Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris… Memory Management Lorem ipsum dolor sit amet, consectetur adipisicing elit.Ut […]

Basics of programming

Approaches to Problem Solving Concept of Algorithm Concept of Flow Charts Assembler, Compiler, Interpreter, Linker, Loader

Basic Operations of Computer

Basic Operations or Functional Components of Computer Computer Organisation/Block diagram of computer Input: This is the process of entering data and programs into the computer system. Input devices areKeyboard.,Image scanner,Microphone,Pointing device, Graphics tablet, Joystick, Light pen, Mouse, Optical, Pointing stick, Touchpad, Touchscreen, Trackball,Webcam, Softcam etc. Control Unit (CU): The process of input, output, processingand storage […]

Introduction to Digital Computer

There are four types of digital computer…. Super Computer Mainframe Computer Mini Computer Micro Compute   Super Computer A Supercomputer is used for super complex task such as  Weather Forecasting, Nuclear Simulation etc. The first Supercomputer is introduced in 1976. CRAY 1 is first Supercomputer. Main Frame Mainframe computers are computers used primarily by large organizations […]

Types of computer

Analog Computer An analog computer is a form of computer that uses the continuously changeable aspects of physical phenomena Digital Computer A Digital Computer that performs calculations and logical operations with quantities represented as digits, usually in the binary number system. Hybrid Computer Hybrid computers are computers that exhibit features of analog computers and digital […]

History of Computer

Babbage’s Analytic Engine (Charles Babbage)-1833 Mechanical, digital, genral purpose Was crank-driven Could store instruction Could perform mathatical calculation Had ability to print Store data with Punch Card ABC (Attansoff – Berry Computer) – 1939 Develpoed y John Attansoff and Clifford Berry Based on Vacuum Tube Used first time binary numbers Electronic Computer Harvard Mark 1 […]