Hits: 257.  Information and Communication Technology (ICT) 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 facilities and features…

Hits: 1861ELECTRONIC COUNTING DEVICE 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, Herman Hollerith began designing a machine…

Hits: 3118ELECTRO-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 Loom Charles Babbage Analytical Engine (1) BLAISE PASCAL CALCULATING…

Hits: 251HISTORICAL DEVELOPMENT OF COMPUTERS Early counting devices: Early people developed certain kinds of counting device. As man advanced the counting also become more and more complex. (a) ABACUS: This is the earliest counting device. It was invented 2000 years…

Hits: 300DATA PROCESSING 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 techniques used to process/sort different types of…

Hits: 174Computer Operation – Files and Folders 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 to a computer…

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 medium, etc. There are two methods of information transmission namely:…

Hits: 256LINKING UP OF COMPUTERS WITH ICT 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) Computer (vi) Internet…

Hits: 2196INFORMATION EVOLUTION      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 linking up computers with information and…