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3. Write T for true and F for false.
a. Output devices are used to give commands. _____________
b. Microphone is used to record our sound. _____________
c. A scanner is used to type words. _____________
d. Storage devices are used to enter the data into the computer. _____________
e. Working of a computer is based on the IPO cycle. _____________
f. CPU works like the brain of the computer. _____________
g. Mouse is the processing device. _____________
h. Milk is an input in Mango shake. _____________
4. Write I for input device, O for output device and P for processing device.
5. Answer the following:
a. Name the device used to hear sounds from a computer.
b. Name the devices in which you can store your work.
c. Name any two input and output devices.
d. What is the full form of IPO?
Computer System Organisation - I/O devices 27

