Information system

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Information System has been defined in so many ways by different scholar and sources. To define it simply it is an integration of varies component that are coordinated together to enable manager to perform their function more effectively. They are used to enhance decision making in the organization, from structured, semi-structured to non-structured decisions. Component/elements […]

Main Memory

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Main Memory is also called the working memory of computer, internal memory or primary storage. Its main function is to hold data and programs temporary when they are being processed. It seat between the processor and the secondary storage (hard disk). It holds data stored into it has long as long as the power is […]

Keyboard

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Keyboard is a main input device which almost all computers come with. It is used to enter instructions to the computer by pressing on the keys which then send the command to the processor. Keyboard originated from the typewriter and the do the same work; to key in character both special and alphanumerical. The main […]

Internet

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Internet is defined simply as a network of networks. It is a big network that is made up of many networks. To consider the global aspect we can define internet as interconnection of millions of computers or device together so as to communicate and share resources and information. Internet allow user all over the world […]

Internet Browser

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Internet browser is a program that used for accessing resources from the web. They enable the user to make a request of the document that is stored on a server to be accessed and then forwarded to the user on the client computer through a browser. Function of Internet browser A) Sending request to server […]

Input Device

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INPUT HARDWARE DEVICE Inputting of data involve entering data into a computer either by keying in, scanning or using any other inputting methods. Input device enable this to happen by providing the interface. The devices are categorized into five Device for keying text Input hardware device for video and audio Pointing devices Gaming devices Input […]

Information/Data

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Data and information are used interchangeably but they have different definition. One is a raw material that is used to manufacture the other. Data is the raw material or facts that are not analyze to give any meaning. The data cannot be used for any purpose because it is not arranged or organized in a […]

Information Age

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Information age is the period that the computer started being used to manipulate data into information, and then the information is used for decision making. Like industrial and agrarian ages where human moved from one way of carrying out daily business and operation, information age also changes how thing are done. Like with any change […]

Hard Disk

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Hard disk are the main secondary storage in a computer. They are used to store data programs and instructions permanently for later use. Hard disk are categorized as magnetic disk storage device because they store data using the magnetic concepts. Their main purpose is to store data and program permanently or until the user can […]

Flash Memory

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Flash memory and Memory cards Flash memory are kinds of storage devices that use transistor technology to store data. They are called flash memory because they are non-volatile and have no moving parts in them. The memory use a USB connector to link between the computer and the memory circuit that stores the data. The […]