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INTRODUCTION TO COMPUTER ((Hardware refers to all physical parts and an…
INTRODUCTION TO COMPUTER
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- In business and industry.
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- In government organization.
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- Click-and-drag or drag-and-drop.
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- Input device (keyboard, mouse, scanner, webcam).
- Output device (monitor, speaker, printer).
- Central processing unit {CPU (INTEL, ADM) AND MEMORY (RAM, ROM)}.
- Motherboard (circuit board).
- Expansion card (video card, sound control, NIC).
- Hard drive ports and connection (USB, fire wire, power, display adaptor).
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- Word-processing and publishing program.
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- Volatile memory: is the temporary memory of the computer.
- Nonvolatile memory: is the type of memory that could be retained after the computer turned off.
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- To turn on a computer, press the power button on the system unite.
- Log on the operating system by your user name and password.
- Computer allows you to creat, modify and save files.
- To shut down a computer , click start and then at the button of start menu click shut down.
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- Program process data that you provide as input to your computer.
- Data can be inform of (text, graphic, audio or video depending on type of program.
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- Is a group of computers and associated devices that are linked together to facilitate sharing information.
- Can also be used to share data.
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- The most important part on computer.
- Controls and manages the hardware.
- Provides an interface that helps you to interact with computer.
- Ensure that your computer function properly.
- Example of operating system: (xp/vista/7/8/10).
- Can be either test based or graphic based.
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- The hardware and operating system together referred as platform.
- Program also called application use this platform to perform task.
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-program perform task such as (writing, calculation, etc)
-program perform task as (play game, watch movie ..etc).