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Chapter Profile
Chapter Profile
Speakers
Speakers are output device that produce music, speech
or other sounds, from the computer.
Speakers
Recap
The computer system is made up of two types of parts—Hardware and Software.
A computer works on the IPO (Input-Process-Output) cycle.
A computer accepts data and instructions through input devices.
Processing is done on the data entered into the computer, to convert it into meaningful
information.
The output devices are used to display the information and result of computation.
Exercise
A. Tick (3) the correct option.
1. Which printers work similarly to typewriters?
a. Inkjet b. Laser
c. Dot matrix d. Drum
2. Which input device is used to play games on the computer?
a. Touchscreen b. Joystick
c. Microphone d. Graphic Tablet
3. Which component of CPU stores data and instructions?
a. ALU b. CU
c. Memory Unit d. Storage Unit
4. Which input device would you choose for entering words and numbers?
a. Keyboard b. Mouse
c. Scanner d. Microphone
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The Computer—An Overview 11

