Lesson-1 Basics of Computer Class-6

Computer Science

Class-VI

Lesson-1 Basics of Computer

Q1) Fill in the blanks:

1. Computer is electronic device that processes data according to a set of Instructions.

2. Distance learning is made productive and effective through internet and video-based classes_.

3. Electronic banking  is now at your hand where every bank has online support for

transaction of monetary issues.

4. Computer has no emotions and feelings.

5. Errors that may occur can almost always be attributed to human error

Q2) State True or False:

1. Computers suffer from human traits of boredom and tiredness resulting in lack of

concentration. False

2. We cannot use computers for playing games, watching movies, listening to music, drawing pictures. False

3. Computer has no learning power. Its knowledge and working capability are limited to the programs installed in it. True

4. Computer can take decision on its own. False

5. It has wide uses in marketing, stock exchanges and bank. True

Q3) Short answer type questions.

1.     What is computer?

Ans- A Computer is an electronic device that processes data according to a set of instructions to perform specific tasks and generate results at a very high speed.

2.     What is the role of computer in the defence?

Ans-Computers are the main tools which help in developing missiles and other equipment in the deference system. Designing and the maintenance are possible only through computers. and list of the criminals and the records of the cops are maintained regularly in the system.

3.      Write any three limitations of computer.

Ans-1) No emotions It has no emotions and feelings.

2) No learning It has no learning power. Its knowledge and working capability are limited to the programs installed in it.

3) No Self care  A computer cannot care for itself like human. It is still dependent on human beings for this purpose.

4)Dependent on electricity The computer cannot work without electricity. A computeris dependent on electricity or any other source of power like battery.

5) Zero IQ A computer can play complete the task it has been instructed for. It has no intelligence, it cannot make decisions.

Long answer type questions:

1.     Explore the various applications of computer in the field of education.

Ans-Smart board teaching , distance learning with internet and video-based classes, online exams, etc.

2.     Write any five characteristics of computer.

Ans-Major advantages of computer system are:

a)     High data processing speed

b)     High storage capacity

c)      Diligence

d)     Versatility

e)     Accuracy

3.     Describe the areas in which man is better than computer.

Ans- A computer has no brain and feeling it totally depend upon human being for instruction to be followed. It can not care itself too.

4.     What is the role of computer in E-commerce?

Ans- Electronic shopping through  online shopping added favor to purchaser and merchants. Electronic banking is now at your hand where every bank has online support for transaction of monetary issues. You can easily transfer your money anywhere even from your home.