Computer Studies/ICT/IT (All Classes)

generation is often referred to the state of improvement in the development of a product. Generation of computer is the advancement of computer technology from time to time. In every… Read More »GENERATION OF COMPUTERS

There are four classification of computer by size name: (i) Micro computer (ii) Mini computer (iii) Mainframe computer (iv) Super computer Micro Computer A micro computer is the smallest computer… Read More »CLASSIFICATION OF COMPUTER BY SIZE

Digital Computer This is the type of computer in which data are represented in digital or in discrete form, for example, 0, 1,2,3,4,5, etc. It is a type of computer… Read More »CLASSIFICATION OF COMPUTER BY TYPES

A computer room is a place where computers and other computer devices are kept for use by students or people. A computer room is a place which provides computer services… Read More »COMPUTER ROOM AND MANAGEMENT ETHICS

ICT covers any product that will store, retrieve, manipulate, transmit or receive information electronically in a digital form. E.g. computer, digital television, email Information Technology (I.T) refers to the systems… Read More »INFORMATION AND COMMUNICATION TECHNOLOGY

ICT in Agriculture: The application of ICT in agriculture is increasing important. E-agriculture is an emerging field focusing on the through improved information and communication process more specifically, e-agriculture involves… Read More »ICT AREA OF APPLICATION

Digital divide is the gap between people with effective access to digital and information technology and those with very limited or no access at all. It is the gap between… Read More »DIGITAL DIVIDE

INFORMATION AND COMMUNICATION TECHNOLOGY (ICT) Information and Communication Technology is an umbrella term that includes all technologies for the manipulation and computation of information. ICT are the Computation and Communication… Read More »Information and Communication Technology (ICT)

WEB SEARCH ENGINE A web search engine is a software system that is designed to search for information on the World Wide Web. To search results are generally presented in… Read More »SEARCH ENGINE

ELECTRO-MECHANICAL COUNTING DEVICES Electro-mechanical counting devices are those counting devices that could be operated both electrically and mechanically These includes the following Blaise Pascal Machine Gottfried Leibniz Machine Joseph Jacquard… Read More »ELECTRO-MECHANICAL COUNTING DEVICES

Electronic counting devices are the modern computer. The electronic counting devices are as follows: Herman Hollerith Punch Card John Von Neumann Machine Modern Computer. HERMAN HOLLERITH PUNCH CARD In 1881,… Read More »ELECTRONIC COUNTING DEVICE

Early counting devices: Early people developed certain kinds of counting device. As man advanced the counting also become more and more complex. ABACUS This is the earliest counting device. It… Read More »HISTORICAL DEVELOPMENT OF COMPUTERS

A computer system or tool is a collection of hardware and software components designed to provide an effective tool for computer system and are used in everywhere to assist us… Read More »CHARACTERISTICS OF COMPUTERS

Data processing is the collection and manipulation of items of data to produce meaningful information. Data processing is the process of manipulation data to generate information.  Data processing methods are… Read More »DATA PROCESSING

FILE: A file is the common storage unit in a computer. All data are contained in a file. A computer file is a resource for storing information, which is available… Read More »Computer Operation – Files and Folders

Information transmission is the exchange of information from the sender to the receiver in any form, i.e. through voice, data, text and image over any kind of media, hand written… Read More »INFORMATION TRANSMISSION

ICT covers any product that will store, retrieve, manipulate, transmit form e.g. Computers, digital T.V, email, etc. Examples of ICT (i) Radio (ii) Television (iii) GSM (iv) Cellular network (v)… Read More »LINKING UP OF COMPUTERS WITH ICT

Evolution of information and communication technology (ICT) has passed through different stages, namely; invention of printing stage, invention of radio and television stage, invention of computer stage as well as… Read More »INFORMATION EVOLUTION

Information is processed data. Information is useful and meaningful to the users. Unprocessed information is called data. The singular form of DATA is called DATUM. Qualities/Characteristic of Good information A… Read More »INFORMATION

What is Data? Data is the raw material for data processing. It is a representation of unprocessed facts about people, places, events, objects, or transactions recorded from which information can… Read More »DATA AND INFORMATION