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c. How does a gesture recognition camera work to control on-screen elements?

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d. What do you mean by handheld computer? Write the name of any two handheld
computers.

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______________________________________________________________________________________
e. Define the following:

(i) Projector

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(ii) ATM

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(iii) Microwave
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(iv) Laptop

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5. Differentiate between the following:

Supercomputer Minicomputer
__________________________________ __________________________________

__________________________________ __________________________________

21 st
6. Application-based questions. Century #Technology Literacy
Skills
a. Devansh recently visited a supermarket and purchased a few items. When he went over to the billing
counter, he noticed that the person there was using a device to scan the items he had purchased.
When the person scanned the item, its price was automatically displayed on the screen. Which
device was he using?
b. Shweta was given a project to be made in Word 2016. After completing the project, she had to take
its printout and submit it to her teacher. Her teacher asked her to get the best quality printout. Which
printer should Shweta use for this purpose?

7. Classify the following devices as Input (I) and Output (O):

a. Keyboard b. Barcode reader

c. Inkjet printer d. Projector

e. OCR f. Monitor

Fundamentals of Computer 17