Output devices are used to outputting of the information that has been processed from the computers. Like input devices, they are connected to the computer using various connectors like USB, VGA cables, wireless, etc. The main function of the output devices is they allow users, applications, and other devices to communicate. Communication involves the display…
A computer mouse is a pointing input device that is used to click icons on a computer. It is connected to the computer by a cable or using wireless technologies. They are categorized as pointing devices because mostly they are used to point to a position on the screen to execute commands. A mouse function…
Information System has been defined in so many ways by different scholar and sources. To define it simply it is an integration of various components that are coordinated together to enable managers to perform their functions more effectively. They are used to enhance decision-making in the organization, from structured, and semi-structured to non-structured decisions. The…
Computer hardware is the physical tangible part of a computer. They comprise the main part of a computer both internal and external or peripherals. The main characteristic of hardware is it can be seen, felt, and even touch, unlike computer software. The computer hardware is categorized into input, processing, storage, output, and communication devices. Each…
The search engine is a type of computer program that is used to search for information on the internet. The search engine uses a keyword to try and find the most relevant information on the internet. Most of the main engines generate what is called a natural result of the search but sometimes the owner…
An overhead projector (OHP) is an output device that enlarges and projects images into a bigger surface. The images can be static, like data, graphical, or moving images (video). The projector does this by passing the image to be projected through a lens that enlarges the image. Read more on how projectors work. Types of…
Computers are designed for different purposes and to function in a certain way. This gives the bases of how computers can be grouped together using different factors to classify them. The classification overlaps each other such that a computer can be in more than one category. There are four main classifications of computers where each…
A document scanner is an input device that converts text documents 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 a light sensor to do the scanning. The main document scanners are hand-held, flat-bed, drum, sheet-fed,…
A computer motherboard is also known as the main circuit board, logic board, or mainboard. It is the main printed circuit board on the computer. It carries most of the computer components like CPU, RAM, BIOS, BUSes, CMOS, chipsets, cache memory, jumper, and many other components. The motherboard’s main function is to house the component…
A computer monitor, also known as a screen, display, or Visual Display Unit (VDU), is an essential output device that displays data processed by your computer. In the modern digital age, the computer monitor serves as our window into the vast world of computing. Far more than just a screen, it’s an essential output device…