Definitions for ICT

Beschreibung

Main keywords
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Zusammenfassung der Ressource

Frage Antworten
What is data Data is a raw fact or figure that has no mean or context to a human
What is information Information is data that has been processed and given a context and meaning to a human
What is ICT ICT is a digital technology that manipulates, retrieves, stores, transfers, processes data and outputs information
What is an ICT system A digital system that inputs data, processes and outputs information with feedback and storage
What are the components of ICT systems People Procedures Data Information Hardware Software
Coding of data Proformed by a human to speed up data entry Help prevent incorrect data being entered Less storage space Allows more data to be sen on screen Speeds up searching
Encoding of data Carried out by the computer so that it can be stored, compressed, transferred and understood by other systems
Direct Data Data that has been collected for a one specfic purpose. e.g Barcode needed for name and price of item in store
Indirect data Data that has been collected for a primary purpose being used for a secondary purpose. e.g Barcode used for stock control
Characteristics of a User Age Experience Physical characteristics Environment of use task to be undertaken age
User interfaces GUI Command Line Menu driven Natural Language
Features of a GUI Windows Menus Pointers Icons
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