MS-DOS Commands

MS-DOS (Microsoft Disk Operating System) MS-DOS is older operating software, which was designed to work with 8086 processor, but still it is working fine with latest processors. It is necessary to be installed in the computer. Till windows 3.1, DOS was an individual operating software but now it became a part of windows. It helps to boot the PC. It is a text based single tasking operating software. Files: MS-DOS m Continue Reading ..

Classification of computer:

Computers are the unique machines to assist human to solve several types of calculating problems. There are several types of computer, which can be classified under different factors. The general classification of computers are listed below:  Classification according to the developmental stages (Generation) First generation computer: Computers of this generation were very big in size and slower in processing. T Continue Reading ..

A brief history of computer

What is computer? This is a very common question often asked and solved with very old and well-formatted answer that it is an electronic device. Than what, a computer is just an electronic device? No, It is not a device or it cannot completely defined if try to define as a device. A device means just a complete device like a radio or a television. But computer is not like such device. In fact it is a combination of Continue Reading ..

Microsoft Excel Tutorial

WHAT IS SPREADSHEET? It is application software that organizes data into rows and columns and allows the user to perform calculations and express the result in recode. The spreadsheet has rows and columns. Each intersection of row and column forms a cell where we can store data. Spreadsheet may be referred as worksheets. The examples of popular spreadsheet are MS-Excel, Lotus 1, 2, 3 etc.   WHAT IS MICROSOFT Continue Reading ..

Microsoft Word Tutorial

MEANING OF WORD PROCESSING. Word Processor refers to the use of computer to create view, edit and format and print document for future retrieval and make further revisions later. The main advantage of Word Processor over a classical type writer is that a word processor offers many editing and formatting features. Word processing permits a better quality document preparation with increased speed and reduced wastage Continue Reading ..

Desktop Computer Cases or Form Factors

Basically, there are two different styles of system cases or Computer Cases  today. The Desktop and the Tower. The desktop case sits flat on the top of your desk with the monitor situated on top. This was the style of IBM’s original PC, XT and AT models. These early desktops were fairly large and bulky, taking up a lot of real estate on the desk. The obvious trend was for manufacturers to make them smaller a Continue Reading ..

What is computer?

What is computer?  Computer is an advance electronic device, which takes raw data then data as per given instruction then gives output (result) & store foe future use.                   In other word:             The device which follows “IPO” cycle is called computer. ☺IPO = Input-Process-Output. Input                             Process  Continue Reading ..

Binary Number System

Computing in Binary Numbers: The primary storage device inside the computer is the transistor that allows your computer to store and process millions of bits of data. A single transistor is capable of holding an electrical charge that is either positive or non-positive (0 or 1 sometimes). Since the objective of the computer is to manipulate data, the electrical states of the transistor (positive and non-positive) Continue Reading ..

What Is Computer and Windows Operating System?

Introduction To Computer: Its really difficult where to start the Introduction To Computer. Well ! Computer is one of the most significant inventions of the 20th century. Computers have become so indispensable tool that no business or organization can function effectively without them.Computers have a wide range of uses in commercial and non-commercial fields. Recent advances in computers have already revolutioniz Continue Reading ..

Conservation of Energy

Nuclear energy: The energy produced by an object because of change occurred in nucleus is nuclear energy. Nuclear energy is released either by fusion of nuclei of isotopic lighter elements or fission of nucleus of an isotopic heavier element. The nuclear energy is produced on the cost of decay of mass. Transformation of energy:  The process of conversion of energy from one from to another by means of devise is tra Continue Reading ..