Computer - QS Study
QS Study

The advantages of using chart in Excel

Excel provides a range of automated functions for working with these stored data values, including the chart function. Once data is stored in an Excel......

Computer Ergonomics

Ergonomics: The study of the physical relationship between people and their tools. In the world of computing, ergonomics seeks to help people use computers correctly......

The Major Features of Internet

Intranet: An intranet is a computer network that uses Internet Protocol technology to share information, operational systems, or computing services within an organization. The term......

The Function of Cookies

A “cookie” is a small piece of information sent by a web server to store on a web browser so it can later be read......

VOIP and WAP

VOIP: Voice Over Internet Protocol. A protocol, that allows voice data to travel over the internet. Voice over IP (VoIP, or Voice over Internet Protocol)......

The function of Internet Protocol

The Internet Protocol is responsible for addressing hosts and for routing data-grams (packets) from a source host to a destination host across one or more......

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......