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2. Which of the following is an output device?
a. Plotter b. Scanner
c. Pen Drive d. Joystick
3. Which of the following is a processing device?
a. Webcam b. CPU
c. Plotter d. Projector
4. Which of the following is a storage device?
a. CD b. Mouse
c. Microphone d. Speakers
Fill in the blanks with the correct words.
Hints Application software, Hardware, Operating system, ALU
1. is a part of computer that we can touch and see.
2. is used to perform a particular task.
3. is a system software.
4. is used to perform arithmetic calculations.
Q Answer the following questions:
A
1. What is a scanner?
2. What is a microphone?
3. What is an IPO cycle?
4. What is the main difference between system software and application software?
#Computer Hardware and Software 17

