Q1. Fill in the blanks:
a. raw data
b. computare
c. process
d. CPU
e. processing speed.
Q2. Write the characteristics of a computer in a single word.
a. Diligent
b. Accuracy
c. High Speed
d. Versatile
Q3. Answer the following questions.
a) Write any four electronic machines that we use in our daily life.
Ans: Calculator, Television, Mobile phone, Camera are the four electronic machines that we use in our daily life.
b) What is computer?
Ans: Computer is an electronic machine that process raw data and gives meaningful information.
c) Which was the first calculating device in the world?
Ans: Abacus was the first calculating device in the world.
d) What are the four basic parts of computer?
Ans: Keyboard, mouse, monitor and system unit are the four basic parts of computer.
e) What is the basic working principle of a computer?
Ans: Input >> Process >> Output is the basic working principle of a computer.
f) Write down any four characteristics of a computer.
Ans: Four characteristics of a computer are : High speed, Accuracy, Diligent, Versatile
g) Write down any four places where computers are used.
Ans: Computer are used in different places such as home, school, office, hospital, bank etc.
h. Why are computer called accurate machine?
Ans: If the data and instruction given to the computer are correct, it will always give correct result so computer are called accurate machine.
i. Why are computer called versatile machine?
Ans: A computer can perform different of tasks one by one simultaneously. So, it is called versatile machine
Q4. Write Full Form of the following.
a CPU: Central Processing Unit
b. ATM: Automated Teller Machine
c. MHz: Mega Hertz
d. GHz: Giga Hertz
Q5. State Whether the following statements are true or false:
a. False
b. False
c. True
d. True
e. False
f. False
Q6. Write the technical terms for the following:
a. GIGO
b. Information
c. Diligent
d. Versatile
Q7. Choose the best answer:
a. iv. All of the above
b. iv. All of the above
c. iv. Both (ii) and (iii)
d. i. Processing
e. iv. GIGO
f. ii. Diligence
Q8. Match the following:
a. Keyboard → input device
b. IPO → Working Principle of computer
c. Set of Instructions → Program
d. Processing → Action taken on data
e. Versatile → Characteristics of Computer
Q9. Find the computer related words from the following:
MONITOR, KEYBOARD, MOUSE, PROCESSING, DATA
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