Computer

History of computer.

The earliest device that qualifies as a digital computer is the "abacus". This device permits the user to represent numbers by the position of beads on a rock. Simple addition and subtraction can be easily carried out rapidly and efficiently by positioning the beads appropriately. The abacus was invented in 600 B.C.   >>> Read More <<<

How is DOS used?
When you type anything at the DOS prompt, and press enter, you are telling DOS to run a program.It will first look to see if there is an internal command program which has that name, and if it does not find one, then it will look to see if there is a file on disk with that name.If it finds an external file with the extension .COM (command), or .EXE (executable), then the program is loaded and run. At this point DOS looses control of the computer until the program has ended. However, parts of it are still used by the programs as they are running, eg to load and save files etc. >>> Read More <<<

Computer Concepts / What is computer?

Computer is a need of modern World, new age is the age of computer, every person want to learn about computer, computer is solving many problems of mankind, computer is need of each field and business. This tutorial is provide you basics of computer >>> Read More <<<

describe keyboard and also tell about QWERTY keyboard.

The set of typewriter like keys that enables you to enter data into a computer. Computer keyboards are similar to electric typewriter keyboards but contain additional keys. The keys on computer keyboards are often classified as follows >>> Read More <<<

Windows shortcut keys, Natural shortcuts

We can open tasks very speedy by the using of shortcut keys. Windows has provide us a better and fast way to open tasks through shortcut keys, the following keys are used generally in every software some of the following are used in routine >>> Read More <<<

Data Basis: Data and Information, explained with examples.

Data is a collection of facts, figures and statistics related to an object. An object can be a person, event or anything about which data is gathered. Data can be processed to create useful information.Explanation: Data is a valuable asset for an organization. Data can be used by the managers to perform effective and successful operations of management >>>ReadMore<<<

Data Processing and activities are involved in data processing.

The process of manipulating data to achieve the required objectives and results is called data processing. The software converts raw data into meaningful information. A series of actions or operations are performed on data to get the required output or result >>>ReadMore<<<