1. INTRODUCTION TO WINDOWS Windows is software tools which help to do our work easily. It is easy to learn. Windows is a link between Dos and us, which provides us the faculty to do all the work of DOS without exercising in DOS. Windows is also known as graphical user interface (GUI). […]
1. Introduction Virus is defined as a program inserted into another. It gets activated by its host program. It replicates itself and spreads to others through floppy transfer. A virus infected data or program every time the user runs the infected program and the virus takes advantages and replicates itself. Two type of […]
The world of information is expending its India, which needs expert professionals to run over the industry. Computer Technology has created a whole new word of career opportunities for the young, experienced and qualified persons. Today millions of arts, science & commerce graduates are unemployed in our country because they lack computer & professional knowledge. […]
1. SOFTWARE Computer consists of four basic element hardware, software, firmware and human ware. The hardware of computer system alone is little different to any other complex piece of electronic machinery. The hardware would not work without programs (set of instruction). The software directs and guides the operation of each device including CPU. The […]
1. Keyboard The keyboard is the most important input device of the computer. The computer and its other peripherals are mostly used with the help of a keyboard only. All commands are given through the keyboard. The keyboard of computer is similar in may ways to keyboard of typewriter except that a computer’s keyboard […]
1. Definition of Computer In a layman language, a computer is a fast calculating device that can perform arithmetic. Although the computer was originally invented mainly for doing high speed and accurate calculations, it is not just a calculating device. It gets the data through an input device, processes it as per the instructions […]