DIGITAL DIVIDE

. DIGITAL DIVIDE 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 those who use computers and the internet…

SEARCH ENGINE

SEARCH ENGINE 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 a line of results. The information maybe a…

Information and Communication Technology (ICT)

.  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 that…

ELECTRONIC COUNTING DEVICE

ELECTRONIC 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 to…

ELECTRO-MECHANICAL COUNTING DEVICES

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 Loom Charles Babbage Analytical Engine (1) BLAISE PASCAL CALCULATING MACHINE:…

HISTORICAL DEVELOPMENT OF COMPUTERS

HISTORICAL 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 before…

DATA PROCESSING

DATA 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 data….

INFORMATION TRANSMISSION

INFORMATION TRANSMISSION 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…

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