Introduction to Computer Lesson-1
Fill in the Blanks
- is an electronic machine.
- Cycle (2) Typewriter (3) Computer (4) All of these.
- The speed of computer is ……….…..
- Fast (2) Slow (3) Medium (4) None of these.
- Computer has very large …………… .
- Speed (2) Memory (3) Display (4) Keyboard
- In business computers are used to prepare ……
- Cash (2) Tickets (3) Books of account (4) None of these
- Computers are used in Education by and
- Teachers, students (2) Businessman, Banker (3) Parents, children (4) all of these
Write down True or False:
- Computer can perform Mathematical Calculations. (True)
- Computer cannot take decision itself. (True)
- Computer doesn’t have storage capacity. (False)
- A computer cannot correct wrong instructions (True)
- Computer is an electronic machine which receives input, processes it and gives output. (True)
Short Answer type Questions:
Q 1. What is a Computer?
Ans: Computer is an electronic machine. It takes input, processes it and gives output.
Q 2. Give definition of Computer?
Ans: Computer is an electronic machine that takes data as input from the user, processes it and gives the result as output. It saves output for the future use.
Q 3. What can we do on a Computer? Write any four. Ans: 1. We can draw pictures on Computer.
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- We can play games on Computer.
- We can listen songs on Computer.
- We can see films on Computer.
Q 4. How a Computer is helpful in Health and Medicine? Ans: 1. To maintain patient history.
- To diagnose of diseases
- To perform medical tests.
Q 5. How a Computer is helpful in Banks? Ans: 1. for record keeping.
- To maintain accounts
- ATMs facility
Long Answer type Questions:
Q 1. Write down about the fields where a Computer can be used? Ans: 1. In Education field
- In Health and Medicine field
- In Shops
- In Business
- In Banks
- In Entertainment field
- In Government fields.
- In Sports
Q 2. Write Down characteristics of a Computer. Ans: 1. Speed
- Accuracy
- Diligence
- Versatility
- Automation
- Storage
Q 3. Write down the limitations of a Computer.
Ans: 1. A computer cannot generate information itself.
- A computer cannot correct wrong instructions.
- A computer cannot take decision itself.
- Computer cannot do any work itself.
- It does not have feelings.
- It does not have knowledge.
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