Class 7 Chapter 4 Types of computer

 Chapter 4 Types of computer
Answer the following questions.
a. What is an analog and digital computer?
Ans: An analog computer is a type of computer which are used to process continuous data. The computer which  presents physical quantities with the help of symbols or numbers and provides us with discrete information is called a digital computer. 
b. What type of computers are hybrid computers?
Ans: A hybrid computer is a combination of analog and digital computers so a hybrid computer can process both continuous and discrete data which means it can perform the works done by the analog computer as well as a digital computer.
c. What is a supercomputer?

Ans: Supercomputers are very expensive and are being used for specialized applications and it is a computer with a high level of performance as compared to general-purpose computers.  
d. What is the use of a workstation computer?

Ans: Workstation computers are used for engineering applications like CAD and CAM. desktop publishing, software development, and other types of applications. 

e. Which computer is called a midrange computer?

Ans: Minicomputers are used by small businesses and firms so these computers are known as midrange computers. 
f. Write any three points about the personal computer.

Ans: Three points about the personal computer are:

>> Personal computer are the computer with microprocessor designed for personal use.

>> Laptop computer is a portable personal computer powered by battery.

>> The personal computer is widely used as the fastest-growing computer. 

>>> The personal computers are the cheapest computer among the other types of computer.