2. Distinguish whether the following are right or wrong.
i. Keyboard is an input device. ( )
ii. Monitor is an input device. ( )
iii. The computer works on IPO principle. ( )
iv. PowerPoint is also called worksheet. ( )
3. Choose the correct option from the following:
i. Which organ is mostly affected by prolonged use of smartphone?
(a) Eyes
(b) Brain
(c) Backbone
(d) Abdomen
ii. Which theory is correct according to the principle of working by computer?
(a) Input, output and processing
(b) Input, processing and output
Answer (2)
In analyzing the statements, keyboard and IPO principle are correct, while monitor and PowerPoint definitions are incorrect. For the multiple-choice questions, eyes are mostly affected by smartphone use and the correct theory for computer workings is input, processing, and output. Therefore, the answers are: i. correct, ii. wrong, iii. correct, iv. wrong; and for the choices, (a) Eyes and (b) Input, processing and output.
;
A keyboard is used to input data into a computer, which makes it an input device.
ii. Monitor is an input device.
Answer: Wrong.
