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REVISIT
▶ Natural things are given by nature.
▶ Human-made things are made by people using tools or machines.
▶ Machines need power to work.
▶ A computer is a smart machine.
ASSESS YOURSELF
1. Tick ( ) the correct option.
a. Identify what makes your work easy and faster.
(i) (ii)
(iii) (iv)
b. Which of the following machines uses human power?
(i) (ii)
(iii) (iv)
c. Choose the action that can not be done by using a computer.
(i) Play games (ii) Listen to music
(iii) Sleep (iv) Talk to friends
16 Computer Science (V5.0)-I
