Essay on importance of computer for class 3
Answers
Answer:
1) Computer is an electronic device which works on the commands given by the user.
2) The set of directions given by the user to a computer is called as “program”.
3) The first mechanical computer was developed by “Charles Babbage” called as “Analytical Engine”; therefore, he is known as “Father of Computer”.
4) Computer works in a system which contains an Input Device, an Output Device, a Central Processing Unit (CPU) and a Storage Device.
5) The raw data and information, fed into the computer is called “Input”.
6) Processing is the operation and handling of data according to the directions given by the user, it is totally an internal process of a computer.
7) The analytics specified by the computer after processing the commands given by the user is called “Output”.
8) The word computer is taken from the Latin word “Computare” which means “to calculate”.
9) Input devices such as mouse, keyboard, etc and output devices such as printer, monitors etc are called “Peripherals”.
10) There are three types of computers based on their use, viz- Analog, Digital and Hybrid.
Answer:
A computer is an electronic device designed to accept data and perform mathematical and logical operator actions high speed, and display the result of these operators. the computer is invented by Charles Babbage. computer consists of a monitor mouse CPU and keyboard CPU stands for central Processing Unit. it is the brain of Computer Computer stands for commonly operated machine particular used for training education research it is very useful for us the word computer organised from a Latin word computer meaning calculate a computer is also used for playing games listening to music watching the movie and solving programs and calculations computer are used in various fields like medical sectors educational areas research. it can perform billions of calculations and less than a second. millions of people use internet for their daily work like making presentation, making the document, tables. there are so many important component of computer. computer understand only binary language. the speed of today's computer is measured in millisecond microsecond, nanosecond and picosecond. computer is also called processor of processing machine. the main characterizations of computer a very high speed, accuracy, diligence, versatility, large storage capacity. a computer has four main functions input, process, storage and output. it accepts in two forms : data and instruction.
I hope it helps you.