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MEANING OF DATA Raw facts or entity which no meaning has been attached to because it has not been processed is referred to as DATA. Data could be facts about people, places, things and their activities. When data passes through some manipulation activities in order to organize them to be meaningful or to achieve a […]
MEANING OF INFORMATION Information is stimuli that have meaning in some context for its receiver. When information is entered into and stored in a computer, it is generally referred to as data. After processing (such as formatting and printing), output data can again be perceived as information TYPES OF INFORMATION Oral information Written information […]
DATA AND INFORMATION WHAT ARE DATA AND INFORMATION? Data are raw facts. This means that when facts are collected about people, places, items, and events, animal and so on, data is obtained. Therefore data can be said to be the raw materials for producing information. Information is referred to as processed data, i.e. data that […]
INFORMATION AND COMMUNICATION TECHNOLOGY 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 used to store and manage information through the use of technology the use of technologies such as computers. Information System […]
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 in education. Communication is the process by which people exchange information […]
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 transmission namely: (i) Ancient methods of information transmission (ii) Modern methods of transmitting information […]
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 in which printing technology has been invented. It […]
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 good information must process the following qualities/characteristics. Timely: A good information must be timely. It should be communicated at the most appropriate time. Communication: […]
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 be prepared. It can be represented with the help of character like alphabets (A-Z, a-z), digits (0-9) or special characters (+,-, /, *, <,>, =). […]
TECHNOLOGY OF DIFFERENT INFORMATION AGE Technology is a term used to describe methods, means, materials and devices developed to solve human challenges/problem. (1) Stone Age: The early men first made farming tools, which are used for production of crop/food or hunting animals. The Stone Age is a period which was characterized by the use of […]
DATA AND INFORMATION What is data? Data refers to raw facts yet to be processed. It is a fact, number or text that can be processed by a computer. Data has no meaning to the user unless processed to get meaningful information. Source of data Data can be obtained by any one or more […]
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