Hits: 82. 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 variously support teaching, learning and a range of activities
Hits: 225ELECTRONIC 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 tabulate census data more efficiently than traditional hand method.
Hits: 576ELECTRO-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: Blaise Pascal was a French man who invented a
Hits: 51HISTORICAL 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 it has two section, heaven and earth. An Abacus
Hits: 339A 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 in the various task we perform. CHARACTERISTICS OF COMPUTERS AS TOOL FOR DATA PROCESSING SPEED: A computer is a
Hits: 70DATA 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. TYPES OF DATA PROCESSING (1) Batch Processing (2) Online
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: (i) Ancient methods of information transmission (ii) Modern methods of transmitting information
Hits: 63LINKING 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 (vii) Satellite communication ICT TOOLS Medium to record information –
Hits: 737INFORMATION 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 communication technology (ICT). INVENTION OF PRINTING: This is a stage