An antivirus is a software that prevents, detects and removes malicious software programs like computer virus, worms, Trojan horses, spywares, etc. that are harmful for the computer systems. Plenty of antiviruses are available in the market which uses different approaches to detect and remove viruses. Broadly these approaches can be distinguished into these two categories…
How Data Compression works
We generally use .rar or .zip files to reduce the size of files and folder with the purpose of data transfer over different networks. These files are compressed files. Data compression is the process of encoding files and data like text, audio, graphics, images, etc. in order to reduce the number of bits to represent…
How Device Drivers work
When we get a peripheral device such as printer, scanner, keyboard or modem, the device comes together with a driver CD which needs to be installed before the device starts working. As soon we install the driver software into the computer, it detects and identifies the peripheral device and we become able to control the…
How Data is stored on Hard Disk
Hard disk is a common data storage used in computers. Data is stored on the hard disk in the form of 0 and 1. Through this article we will find out how actually data is stored on the hard disk drive. The part of the hard disk that stores the data is known as platter.…