A ring network topology is a computer network where each computer is connected to other two adjacent devices creating a circular data path. The data in ring topology can either move in one direction in what is called a unidirectional ring or bidirectional. Each device on the ring act as a relay point to pass…
A sound card is a computer expansion card that is fixed on the motherboard to support audio input and output. It is also known as a PC sound card, audio card, or audio interface. It converts digital signals from computers to analog signals to be played on the speakers. Computer sound cards can be internally…
A plotter is an output device that converts softcopy vector graphics data into hardcopy on different print materials. It is a printer that interprets computer commands and prints continuous lines using a pen instead of dots like an ordinary printer. There are different types of plotters such as drum, flatbed, electrostatic, inkjet, and pen among…
A computer network is an interconnection of two or more computers with the aim of sharing resources and communication. Computer network components are devices that kames up the network to enable it to achieve its objective of sharing and communication. Networking components include hardware, software, and protocols components that facilitate interconnection. Hardware networking components are…
A Blu-ray disc (BD) is a type of optical disc that was designed for the storage of high-definition video and huge data compared to a standard DVD. It gets its name Blu from the blue-violet laser light that it uses to read and write data. The blue laser light allows for high-capacity storage and better…
An optical mark reader (OMR) also known as optical mark recognization is an input device used to scan and read marks made by pencil or pen. It consists of a scanner that scans a filled form to detect which option is marked. OMRs are used in applications such as multiple-choice tests, surveys, voting systems, and…
A personal computer (PC) is a microcomputer that is compact, portable, effective, and reliable for use by a single person. They are mostly multiprogramming single-user types of systems. Personal computers have small screens that allow use by only one person comfortably. They are versatile devices that can be used in a variety of tasks for…
Computer networks can be implemented using peer-to-peer and client-server architecture depending on the user requirement. The main difference between peer-to-peer and client-server is that in the client-server we have one computer that supervises and serves other computers with the requests. While on peer-to-peer no computer acts as a supervisor but they work on the same…
With so many servers that can be used for small businesses, it can be tasking trying to choose one among them. In this article, we are going to help you make the right decision for your small business by getting the best server that will help grow your business. For a server computer, you need…
A server room is a space in an organization that is dedicated to housing the computer server and major networking devices. It is a critical room for any organization that has computerized its operations since that is where its data and processes reside. The main component in the room is a computer server that stores,…