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1. Keyboard play an important role in the computer system. What is the function of a keyboard?
2. Identify which device is an Input device from the list below. Answer may consist more than 1.
3. Fill in the blank
[ permanently | temporary ]
Pendrive and harddisk are a data storage device that store data .
4. Fill in the blank.
[paper | light | rubber ball]
The optical mouse has a system for detecting motion and distance. It makes the measurement with the and sensors.
5. What is the CPU jobs?