CLASS I- Topics


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  TOPICS
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Subject: Computer
1. Answer the following question:
i. What is a Computer?
Answer: computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.

ii. What is a Machine?
Answer: A machine is a men made thing which makes our work easy.
OR
machine is a thing that is created by people to make work easier. It is a tool or invention which multiplies the effect of human effort. The machine produces a mechanical advantage. ... Often a machine will change one form of energy to another form of energy. Simple machines increase or change the direction of a force.

iii. How Does a Computer run?
Answer: computer receives data through an input unit based on the instructions it is given and after it processes the data, it sends it back through an output device.




iv. Name three machines that need electricity to work?

Answer: Fridge ,computer, washing machine.

v. Is Computer a machine? 
Answer:Yes, Computer is a machine.
vi. How does a machine help us?
Answer:A machines helps to reduce effort or extend the ability of people to perform tasks beyond their normal capabilities.
vii. Write three places where computer are use?
Answer: offices ,schools, hospitals.
viii. For what purpose does a Bank Manager use a computer?
Answer: A bank manager keeps accounts of his bank customers 
on the computer.
OR
Modern banks use computers for storing financial information and processing transactions. Tellers and other employees also use them to log information. Customers often use computers for online banking. ... Banking tellers also use computers to access customer data quickly.
ix. How does a computer help a Railway Employee?
Answer:To book tickets, check status and cancellation.

Computers are also used to make reservations, maintaining- timetables, crew schedules, etc.
x. How does a Doctor use a computer?
Answer:A doctor uses a computer to keep records of his patients.
xi. Write three uses of a Computer?
Answer: Students need to write any three :

  • Playing computer games.
  • Writing.
  • Solving math problems.
  • Watching TV and movies.
  • Listening to music.
  • Communicating with other people.
  • Sending e-mail.
  • Using The Internet.
2. Fill in the blank:
i.Computer can remember many things. ii. Computer is also a machine. iii. Computer is a data processing device.
iv. Machines can do work faster. v. Machines never get tired. vi. Machines need electricity to work.
uses of a computer vedio:

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