CLASS SIX COMPUTER SCIENCE

CLASS : SIX 

COMPUTER SCIENCE 

1. Answer the following questions:

a. Define the computer.
A computer is an electronic device that accepts data, processes it according to instructions, and produces output.

b. Write about the abacus.
The abacus is an ancient counting tool used for arithmetic calculations. It consists of beads that slide on rods within a frame and was used before mechanical and electronic calculators.

c. Explain the working principle of the computer.
The computer works on the principle of input, process, output, and storage. It takes input data, processes it using the CPU according to instructions, produces output, and stores data for future use.

d. List out the various features of the computer system.

• Speed

• Accuracy

• Automation

• Storage capability

• Multiprogramming

• Versatility

• Diligence

e. Why is the computer known as the diligent machine? Explain.
A computer is known as a diligent machine because it can work continuously without getting tired, losing concentration, or making mistakes on its own.

f. Explain the computer as a versatile machine.
A computer is called versatile because it can perform a variety of tasks such as calculations, data processing, gaming, graphic designing, and more across different fields.

g. What are the application areas of the computer? List out.

• Business

• Education

• Healthcare

• Science and Technology

• Banking

• Entertainment

• Communication

• Agriculture

• Government

• Engineering

h. Explain how computers are useful in the business sector.
Computers help businesses in managing accounts, inventory control, payroll, marketing, data storage, and communication, improving efficiency and accuracy.

i. Write the use of computers in the science and technology sectors.
In science and technology, computers assist in research, simulations, data analysis, space exploration, robotics, and developing new technologies.

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2. Write the true or false:

a. Computers are not electronic machines. False
b. Computers can store large volumes of data for long periods. True
c. You cannot use the computer for long periods. False
d. The computer is not a 100% accurate machine. False
e. Computers are useful in various sectors. True
f. Banks utilize the computer for performing various operations. True
g. The only field where the computer is not useful is agriculture. False

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3. Fill in the blanks:

a. A computer is an electronic machine.
b. The word computer is derived from the Latin word computare.
c. The history of computers begins with an ancient device abacus.
d. The computer performs tasks automatically after getting instructions.
e. The various operations of computers are input, process, output, and storage.
f. The errors of the computer due to wrong instruction are known as bugs or logical errors.

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4. Write the technical term for the following:

a. Physical components of the computer system. — Hardware
b. Non-physical components of the computer system. — Software
c. Gives data and instructions to the computer system. — Input device
d. Generates output from the computer system. — Output device
e. Errors due to the wrong input of the users. — User errors or Input errors
f. Ability of the computer to perform tasks for long periods. — Diligence
g. Ability of the computer to work in many areas. — Versatility

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If you want, I can also help with more detailed explanations or examples!