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Hashtag

#Touchscreen: A screen that can be operated using fingertips

#Robots: A smart machine designed to help humans

REVISIT

▶ A computer is a fast machine. It works faster than humans.
▶ A desktop, laptop, tablet, smartphone and supercomputer are different types of
computers.
▶ Computers are used in many places, such as homes, schools, hospitals, offices, banks,

shops, airports, railway stations, police stations, publishing and science and defence.

ASSESS YOURSELF

1. Tick ( ) the correct option.
a. Which type of computer is commonly used at homes, schools and offices?

(i) Laptop (ii) Tablet

(iii) Desktop computer (iv) Smartphone

b. Which device is bigger than a smartphone but smaller than a laptop?

(i) Tablet (ii) Smartwatch

(iii) Printer (iv) Desktop

c. Which of the following tasks is NOT usually done using a computer at home?

(i) Doing homework (ii) Listening to songs

(iii) Manufacturing goods (iv) Online shopping

d. Supercomputers are used for which of the following purposes?

(i) Playing games (ii) Simple calculations

(iii) Weather forecasting (iv) Typing letters

14 Computer Science (V5.0)-II