Describe the applications of computers.

Applications of computer system

1. Computer in Education: In education most of the educational institutes are using computers for learning and teaching purpose. They are used as teaching aids, information resources and computing and research means or tools. 
2. Computer in business: Business computer applications focuses on integrating computer technology with decision-making and problem solving skills. Areas of instruction include advanced applications in word processing,...

Explain the various input and output device. 

The various input and output devices are as follows:

INPUT

1. Keyboard: A keyboard is for putting information including letters, words and numbers into your computer. You press the individual buttons on the keyboard when you type. The number keys across the top of the keyboard are also found on the right of the keyboard. The letter keys are in the centre of the keyboard.
2. Mouse: The mouse is a small, movable device that lets you control a range of things on a computer. Most types of mouse have...

List out the features of every generation of computers from 1940 to till date?

Generations of Computer 

1st  Generation of computer (1945-1956 AD)

Features

• The technology used: Vacuum tube 

• Operating Speed was in terms of millisecond range

• Primary memory used: Magnetic core memory

• Secondary memory used: Electrostatic tubes, paper tapes, Punched cards, magnetic tape 

•  Machine level language was used to instruct the computer. Programming at the hardware level

• A punched card, printing devices were used as input/output operations and store the data 

• It...