Technology - QS Study
QS Study

The ways of measuring drive performance

Higher performance in hard disk drive comes from devices which have faster performance characteristics. Access Time: The access time or response time of a rotating......

Functions of a DBMS

There are several functions that a DBMS performs to ensure data integrity and consistency of data in the database: Data Dictionary Management: Data Dictionary is......

Most common input and output devices

Input Devices An input device feeds data to the computer system for processing. Here is a list of input devices of a Computer System. We......

Characteristics of Computers

The main characteristics of computers are: Speed: Computers are capable of carrying out with enormous speed. Today’s computers, according to their class, can perform from......

Impact and non impact printers

A printer is an output device that prints characters, symbols, and perhaps graphics paper. Printers are categorized according to whether or not the image produced......

The meaning of VGA, SVGA and XGA

Video Graphics Array (VGA): Refers specifically to the display hardware first introduced with the IBM PS/2 line of computers in 1987,1” but through its widespread adoption......

Computer Hardware

Computer hardware is that visible components of the Computer that enable the Computer System to function properly. It is the frame work on which the......

What is the code?

In computing, source code is any collection of computer instructions (possibly with comments) written using some human-readable computer language, usually as text. The source code......

Terminal and Workstation

Terminal: Generally, a terminal is a combination of keyboard and display screen. Terminals are sometimes divided into three classes based on how much processing power they......

Analog, Digital and Hybrid computers

Analog computers Analog computers are used to process analog data. Analog data is of continuous nature and which is not discrete or separate. Such type......

The different types of Computer Virus

The different types of Computer Virus are- 1. Macro Viruses: These viruses infect the files created using some applications or programs that contain macros such......

The meaning of WWW, HTTP, URL, VOIP, SMTP and FTP

WWW: World Wide Web. The World Wide Web (abbreviated as WWW or W3 commonly known as the Web or the “Information Superhighway”), is a system......