INPUT AND OUT PUT DEVICES

WHAT IS THE INPUT DEVICES

• INPUT DEVICES IS : An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. The picture shows Logitech trackball mouse, which is an example of an input device.

The most commonly used or primary input devices on a computer are the keyboard and mouse. However, there are dozens of other devices that can also be used  to input data into the computer I will show it in the photo

• What does Output Device mean?

An output device is any device used to send data from a computer to another device or user. Most computer data output that is meant for humans is in the form of audio or video. Thus, most output devices used by humans are in these categories. Examples include monitors, projectors, speakers, headphones and printers.

• DATA PROCESSING 

 Data processing is the conversion of data into usable and desired form. This conversion or “processing” is carried out using a predefined sequence of operations either manually or automatically. Most of the data processing is done by using computers and thus done automatically.

• Fundamentals of data processing & how data is processed

Data processing is undertaken by any activity which requires a collection of data. This data collected needs to be stored, sorted, processed, analyzed and presented. This complete process can be divided into 6 simple primary stages which are:

1.    Data collection

2.    Storage of data

3.    Sorting of data

4.    Processing of data

5.    Data analysis

6.    Data presentation and conclusions                                                     

Types of data processing on the basis of process/steps performed

1.    Batch Processing

2.    Real-time processing

3.    Online Processing

4.    Multiprocessing

5.    Time-sharin

• TYPES OF COMPUTERS

•  SUPERCOMPUTERS are the fastest and the most expensive computers. These huge computers are used to solve very complex science and engineering problems. Supercomputers get their processing power by taking advantage of parallel processing; they use lots of CPUs at the same time on one problem

•  MINIFRAME COMPUTER It is a midsize multiprocessing computer. It consists of two or more processors and can support 4 to 200 users at one time. Miniframe computers are used in institutes and departments for the tasks such as billing, accounting and inventory management.

  

• MICROCOMPUTER is also known as personal computer. It is a general purpose computer that is designed for individual use. It has a microprocessor as a central processing unit, memory, storage area, input unit and output unit. Laptops and desktop computers are examples of microcomputers. to make my blog not boring i will show photo about microcomputer types better than write 

SIMPLE PHOTO SHOWING MICROCOMPUTER TYPES

minicomputer is a type of computer that possesses most of the features and capabilities of a large computer but is smaller in physical size

In the end of the blog I hope you guys to enjoy reading my humble blog 

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