- Recognise the importance of computer literacy.
- define the term computer and identify its components.
- explain why a computer is a powerfull tool.
- recognise the purpose of a network.
- identify the types of software.
- describe the categories of computers.
- determine how the elements of an information system interact.
- indentify the types of computers uses.
- discuss the uses of the internet ang the word wide web.
- distingnish between installing and running a program.
- discus various computer application in society.
- knowledge and understanding of computers and their uses.
- computers are everywhere.
- Electronic devide operating under the control of instruction stored in its own memory.
- Accep data,process data into information,produces and stores result(output).
- input
- process
- output
- storage
- communication
- Hardware used to enter data and instruction.
- Box-like case containing electronic components used to process data.
- CPU or processor: carries out instruction that tell computer what to do.
- Memory: temporary holding place for data and instruction.
- Hold data,instruction and information for future use.
- storage Media : physical material an which data,instruction and information are stored.
- Storage Device: record and retrience items to and from a storage medium.
portabal,thin memory cards used in:
- Digital camera.
- Handheld computers.
- Thin
- circular
- flexible disk enclosed in rigid plastic shell.
- Provide much greater storage capacity.
- Storage
- Reliability and consistency.
- speed
- Accuracy
- Communication.
- Collection of computers divice connected together.
*Communication Media:
- cellulaR RADIO
- cables
- telephone lines
- microwaves
- satellites.
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