Video Conference

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It is the procedure of holding conference/meeting/chat over the internet mostly using webcam where participant can see each other on the screen. On the recent days internet has become fast enough to support the speed and capabilities require for holding a video conference. This has enabled the use of technology to the main stream industries […]

Video Graphic Adapter (VGA)

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Video Graphic Array card This is an adapter that is converts the processed images from the PC processor to the computer monitor. In early PC the adapter was added into the computer as an expansion card, but today`s PC the VGA adapter is integrated into the motherboard. Function of VGA adapter The main function of […]

System Software

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System software are used to manage the computer system by ensure it to it optimal. Mostly of the end users don`t interact with the system software because some of them are automated or they require advance knowledge to operate. Their main characteristic is that they offer features that enable the user to work in an […]

System Changeover

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After acquiring a computer program (system) you are require to change from the old system to the newly acquired system in a process called system changeover. It involves replacing the old system and business processes with new once. General activities carried out during changeover Replace old hardware systems with new. The new system may not […]

Storage Device

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Storage device is used to keep a copy of data or information temporally when it is being processed of permanently for future references. They store the data which is used by the computer and the user. The storage capacity is calculated in terms of bytes where 1byte is made up of 8bits (0s and or […]

Social Network

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Social network is a platform that people use to connect with each other all over the world to share and communicate with each other. The platform can be used to connect families, professional, friend, people with same believe and all other concept that can bring people together with a commonality. Uses of social media Communication […]

Search Engine

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It is a type of computer program that is used to search information in the website. The search engine uses a keyword to try and find the most relevant information on the public website across the internet. Most of the main engines generate what is called natural result of the search but sometime the owner […]

Scanner

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Scanner is an input devices that convert text document or images into softcopy that can be manipulated into the computer. They scan hardcopy of either text or images to convert them mostly into digital images. They use light sensor to do the scanning. The main function of scanner is to convert images and documents into […]

Projector

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It is an optical device (which means it deals with light) which project image. It enlarges the image size. The images can be static like data or graphical or moving image (video). Projector does this by passing the image to be projected through a lens which enlarges the image. In this article we discuss the […]

Printer

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It is an output device that is used convert soft copy or what you see to screen to hard copy (paper). It output the information on the screen to a sheet of paper. Most of today`s printer are connected to the system unit by a USB and even other are wireless. Earlier computer though used […]