What is computer ? Or What do you mean by computer ? Give Description about Computer.
Ans. A computer is an automatic electronic machine. It 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 mechanical computer called Mark-1. It first work 21, June in 1947.
There are two unit of computer. there are -
1. Hardware 2. Software
1. Hardware : Hardware is the name of every device and parts of infrastructure.
2. Sofware : The programs into the computer is software.
Classification of Computer : 3 types of computer according to type of work and scope. There are
1. Analog Computer 2. Digital Computer 3. Hybrid Computer
* There are 4 kinds of Digital computer. There are-
1. Super Computer 2. Mainframe Computer 3. Personal Computer 4. Micro Computer
* Work of the Super Computer : This type computer for Space Research.
* Work of Mainframe Computer : Mainframe computer for big and biggest factory.
* Personal Computer for use personally or official use.
* Micro Computer or small computer for personal use. This type computer is mini computer.
Useful devices and parts of 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 computer :
RAM, Hard Disc etc is storage device is computer.
Version of RAM :
DDR, DDR2, DDR3, DDR4 and update version.
Hard Disc Types :
HDD is Hard Disc Drive. And SSD Hard Disc is update version.
There are many types of computer Software : See the example about 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 Fire Fox, Google Chrome, UC Browser, Opera Browse, Avant Browser etc.
Media Player Software : QQ Player, VLC, Windows, KM Player, GomPlayer, RealPlayer etc.
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