What is computer ? Or What do you mean by computer ? Give Description about Computer.
What is a computer? Or What do you mean by a computer? Give Description about Computer.
Ans. A computer is an electronic automatic machine. Helps use in calculation and information processing. Charles Babbage a professor of mathematics thought of it first create on research in 1930. But his machine called the Analytical Engine was never completed. Then the professor of mathematics Hard Word H Akin got the idea and invented the first computer. It was a mechanical computer called the Mark-1. It first works on 21, June 1947.There are two units of a computer. They are - 1. Hardware 2. Software
1. Hardware: Hardware is the name of every device and part of the infrastructure. 2. Sofware: The programs on the computer are software.
Classification of Computer : 3 types of computers according to the type of work and scope. There are
1. Analog Computer 2. Digital Computer 3. Hybrid Computer
* There are 4 kinds of Digital computers. There are-
1. Super Computer 2. Mainframe Computer 3. Personal Computer 4. Micro Computer
* Work of the Super Computer: This type of computer for Space Research. * Work of Mainframe Computer: Mainframe computer for the big and biggest factory. * Personal Computer for use personally or official use. * Micro Computer or small computer for personal use. This type of computer is a mini-computer.
Useful devices and parts of a computer
1. Keyboard 2. Mouse, 3. Monitor, 4. CPU or System box, Printer, Scanner, Light, etc.
Retail Parts of computer : Processor, RAM, Hard Disc, Motherboard, Cooling fan, power supply, Graphics Card, etc. Memory and storage device of the computer :
RAM, Hard Disc, etc is a storage device is a computer.
A version of RAM : DDR, DDR2, DDR3, DDR4, and update version.
Hard Disc Types : HDD is Hard Disc Drive. And SSD Hard Disc is an updated version.
There are many types of computer Software: See the example of software. Operation System Software, Office Software, Graphics Software, programming software, security software, etc, Internet Browsing Software.
Operating System Software: Windows XP, Windows Vista, Windows 7, Windows Server, Windows 8, Windows 8.1, Windows 10, Windows 11, Windows 12 and 13, Linux, OS, MS-Dos is the example of Operating System Software.
Office Software: Microsoft Office (MS Word, MS Excel, MS PowerPoint, Publisher, Outlook, MS Access, PDF Converter, etc.
Graphics Software: Photoshop 1, Photoshop 2 to 10, Photoshop CS, Photoshop CC, etc.
Programming Software: Visual Basic, Visual Studio, Android Apps Design software, etc.
Security or Antivirus Software: Kaspersky, AVAST, AVG, Norton, AVIRA, Bitbinder, 360 Security, Eset, Escan, etc.
Internet Browsing Software: Internet Explorer, Mozilla Firefox, Google Chrome, UC Browser, Opera Browser, Avant Browser, etc.
Media Player Software: QQ Player, VLC, Windows, KM Player, GomPlayer, RealPlayer, etc.
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