Match the following columns:

a) Nibble = Collection of four bits

b) Speed = Has the capacity to do several tasks within a second

c) System unit = Computer part

d) Communication = Exchanging information throughout the world

State whether the following statements are True or False:

a) A computer cannot store the data and information for future use. False

b) To perform any task in the computer, we have to instruct the computer what to do. True

c) A computer takes lots of time to do complex operations. False

d) One millisecond is one-thousandth part of a second. True

Choose/Select the correct answers from the given options:

a) From which language the word “Computare” is derived?

i. French ii. Latin iii. English

b) Where are computers used?

i. Education ii. Business iii. Both

c) The speed of computer is measured in ……….

i. Bits ii. Hertz iii. Byte

d) Which of the following is not the part of computer?

i. Keyboard ii. Mouse iii. Power plug

Answer the following questions:

a) Define a computer with its proper meaning?

Ans: A computer can be defined as the electronic machine that accepts raw data as input, processes it according to the predefined set of instructions and provides a meaningful result to the user. It is also called Information Processing Machine (IPM).

b) What are the four basic parts of a computer?

Ans: The four basic parts of a computer are keyboard, mouse, monitor and system unit or case tower.

c) List any four features of computer.

Ans: The features of a computer are listed below:

i. High speed

ii. Accuracy

iii. Diligence

iv. Versatility

d) Define the term Garbage In Garbage Out.

Ans: The term Garbage In Garbage Out can be defined as the situation where the computer produces wrong output because of wrong input.

e) List any four places where computers are mainly used.

Ans: Followings are the places where computers are mainly used:

i. Schools

ii. Banks

iii. Hospitals

iv. Offices

f) How are computers used in education?

Ans: Computers are used in education for teaching and learning purposes where teachers can explain the difficult topics to their students using CBP(Computer Based Presentations), online learning, distant learning, etc.

g) Write any two limitations of computer.

Ans: The limitations of computer are:

i. Computer has no intelligence of its own.

ii. It cannot learn from past experience.

Write the full forms of the following:

a) CPU = Central Processing Unit

b) MHz = Mega Hertz

c) CBT = Computer Based Training

d) CAI = Computer Aided Instruction

e) ICU = Intensive Care Unit

f) POS = Point of Sale

g) GIGO = Garbage In Garbage Out

Write suitable technical terms for the following statements:

a) The continuously working capacity of computer without losing its speed and accuracy. Diligence

b) The computer terminology, in which output is determined according to the input. GIGO

c) The computer device used in hospitals that helps to maintain the heartbeat of the patient. Pacemaker

d) The collection of eight bits or two Nibbles. Byte