Class-V-Solved Exercise:
Chapter-1 Classification of Computers
1. Fill in the blanks:
a. Computers can be classified based on their __________ and _______.
Answer: Size, Performance
b. The CPU of a microcomputer is known as ________________.
Answer: Microprocessor
c. ______and ____________ are examples of mainframe computers.
Answer: VAX8842 and CDC 6600
d. _________ is a super computer designed in India.
Answer: PARAM
e. The mini computer is more powerful than the ______________ computer.
Answer: Micro
f. The full form of PDA is ___________.
Answer: Personal Digital Assistant
g. Embedded computers are found in _______ and ___________.
Answer: Washing machine and Televisions.
2. Arrange the following computers according to their processing power:
a. Mainframe computers.
b. Mini computers
c. Super computers
d. Micro computers
Answer:
a. Micro computers
b. Mini computers
c. Mainframe computers
d. Super computers.
3. Answer the following questions:
a. How are computers classified?
Answer: Computer can be classified based on their size and performance.
1. Micro computer
2. Mini computer
3. Mainframe computer
4. Super computer
b. Compare personal and mini computers pointing out their differences.
Answer: A micro computer is also known as personal computer. It is a single user computer.
Micro computers are cheap and easy to use.
Mini-Computers are more powerful than micro computer. They are multi-user system.
c. Where are super computers use? Give two examples of super computers.
Answer: Super computers are used in places like weather forecasting, nuclear science etc.
Examples: CRAY-1, CRAY-2
d. What is the advantage of a laptop as compared to a desktop computer?
Answer: Laptop is a light, low power consumption, and small size computer compared to desktop computer.
4. Write true or false:
a. Micro computers are known as single-user computers. T
b. The VAX 8842 is a super computer. F
c. The CRAY X-MP has several processors which make it a very fast and powerful computer. T
d. Super computers are not powerful enough to be used in areas like weather forecasting. F
e. Laptops and notebooks are examples of microcomputers. F
f. A laptop cannot run on battery. F
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