Computer Science: Sub Topic

Miss miss miss !

stop !

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this is my post about sub topic of Computer Science (:

To my Comel Friends;

please do revise oke ;)

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Chapter One;Introduction to Computer


Computer Literacy

• involves having a current knowledge and understanding of computers and their uses.

Computer

• is an electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the result for future use.

Data

• is a collection of unprocessed items, which can include text, numbers, image, audio and video.

Information

• conveys meaning and is useful to people.

The Component of a Computer

• Input devices
• Output devices
• System unit
• Storage device
• Communication devices

Advantages of Using Computer

1. Speed
2. Reliability
3. Consistency
4. Storage
5. Communications

Disadvantages of Using Computer

1. Violation of privacy
2. Public safety
3. Impact on Labor Force
4. Health risks
5. Impact of environment

Network

• is a collection of computers an devices connected together, often wirelessly, via communications devices and transmission media. 

Internet

•  a worldwide collection of networks that connect millions of businesses, government agencies, educational institutions and individuals.

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