Question

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Answer the following questions:
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1. Define computer.
2. Mention any two characteristics of a computer.
3. Mention any two uses of a computer.
4. Write down the names of different parts of CPU.
5. Name any two types of monitors used nowadays.
6. Write the names of some icons present on a desktop.
7. How will you exit windows?
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Answer 1

Answer:

1.A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

2.The characteristics of computers that have made them so powerful and universally useful are speed, accuracy, diligence, versatility and storage capacity. Let us discuss them briefly. Computers work at an incredible speed. A powerful computer is capable of performing about 3-4 million simple instructions per second.

3.Computers are used at homes for several purposes like online bill payment, watching movies or shows at home, home tutoring, social media access, playing games, internet access, etc.

4.The CPU is made up of three main components, the control unit , the immediate access store and the arithmetic and logic unit .

5.Types of computer monitors

• CRT (cathode ray tube) monitors. These monitors employ CRT technology, which was used most commonly in the manufacturing of television screens. ...
• LCD (liquid crystal display) monitors. The LCD monitor incorporates one of the most advanced technologies available today. ...
• LED (light-emitting diodes) monitors.

6.Common desktop icons include Computer, your personal folder, Network, the Recycle Bin, Internet Explorer, and Control Panel. 1. Right-click an empty area of the desktop, and then click Personalize.

• 7.Click the program window's Close button in the upper-right corner of the window to close the program. ...
• Press Alt+F4 to close an active open window. ...
• Choose File (or click the Office button)→Close to close just the current document window.
• Choose File→Exit to close the program and all open document windows.

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