Types of Computers and Uses of Computers

We hope this video has given you some insights about 17 types of computer and its uses.
If you would like to know more here is the reference book used:
Computer Basics Absolute Beginner's Guide, Windows 8 Edition,
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In this lesson we are going to learn Types of Computers, Uses of Computers, Analog computer, Digital Computer, hybrid computer, general purpose computer, special purpose computer, Super Computer, Mainframe Computer, Micro Computer.

All types of computers are discussed, for better understanding we have given the transcript of this video below. Computer awareness for bank po, computer awareness for sbi po, computer awareness for ibps po all will be having importance to the basics of computer systems.

This lesson Fundamental of computer in English, computer awareness in English.

5. Types of Computers

Based on Work

Analog
The analog computers are computer systems that measure variations in quantities such as temperature, voltage, speed, etc. Analog computers are known to measure the data that varies continuously
Digital
Digital computers are the computer systems that count things by manipulation of certain discontinuous numbers and letters through representation of binary digits (also called bits) in contrast to analog computers that measures the variations in quantities).

Hybrid
Hybrid computers as the name suggests are a good mix of analog as well as digital computers, using an analog computer front-end, which is then fed into a digital computer’s repetitive process. Hybrid computers are used for scientific calculations, in defence sector.

6. Based on purpose

General Purpose
These computers are designed to work on different types of applications. In these types of computers the programs are not stored permanently rather programs are input at the time of their execution. Personal computers, including desktops, notebooks, smart phones and tablets, are all examples of general-purpose computers.

Special Purpose
Special-Purpose computers are task specific computers and are designed to solve a particular problem. They are also known as dedicated computers, because these computers are dedicated to perform a single particular task repetitively. Automated Teller Machines are perfect example of this. ATMs are used for a specific task and they were programmed to do that only.

7. Based on Memory Size and Performance

Super Computer:

They are focused on performing specific actions and follow heavy extremely intense and critical calculations like weather forecasting, fluid dynamics etc. They are generally used by scientists and are very powerful and expensive. The speed with which they operate is highly blazing.

Mainframe Computer:

They are the typical large computing machines which occupied extremely large space, more than the size of the rooms today. They were capable of operating multiple users via single interface and typically operated more than million instructions per second.

Mini Computer:

They are the intermediate solutions between Mainframe computers and Micro Computers. And they are also known as mid-range computers.

Micro Computer:

Microcomputers came into picture as computers having single chip micro processors. They are the most common computers being used for domestic / commercial purposes now a days. They also include solutions like Desktop Computers, Game Consoles, Tablet Computers, and Smart Phones etc. They are basically portable and carry very less space.

 
8. Types of Personal Computers

Tower model
This model of personal computer refers to a computer in which the power supply, motherboard, and other mass storage devices are stacked on top of each other in a cabinet.

Desktop model
Desktop model means computer that are designed to fit comfortably on top of a desk, with the monitor sitting on top of the computer.

Notebook computer
Also called ultra book. These are extremely popular because they are extremely lightweight and portable.

Laptop computer
Laptop are now a days also called notebook computers .These are small and portable .You can make them sit on your lap and work on them.
 
9. Uses of Computers

In the Field of Education

In the Field of Office


In the Field of Medicine


In the Field of Defense
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