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4. Which of the following is an input device?
a. Microphone b. Printer

c. Pen drive d. Monitor

5. How does a computer accept data and instructions from the user?
a. Through output devices b. Through input devices

c. Through storage devices d. Through processing units

Fill in the blanks with the correct words.

Hints CPU, Monitor, Pen drive, Digital, Primary

1. memory is the main memory of the computer.
2. A is connected to a computer using a USB (Universal Serial Bus) port.

3. manages all the operations and carries out the basic instructions which operate a
computer.

4. is also known as a Visual Display Unit or VDU.
5. camera captures the image or picture momentarily and converts the image directly
into digital form and stores it in memory.

Q Answer the following questions:
A
1. Name any three types of monitors.

2. State any one difference between RAM and ROM.

3. Differentiate between data and information.

4. Describe three main components of the CPU.

5. Explain what a sensor is and how it works.

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