Scanner + speaker:
Scanners: - Scanners work for scanned information and its image can be converted into a language that can process in the system unit. The scanning equipment has 3 types of components that detect optical scanners, barcode scanners and letters and symbols.
1) Flatbed Scanner: - To make a copy of a page, it scans the page that is placed on the scanner's glass.
2) Portable Scanner: - It's a hand-scanning device,
Bar Code Scanner Reader: - Scanners are scanned in such a way that you have seen such scanners in large shops or shopping malls. Some readers are put in a particular place
They are called flat form readers. The scanned code is sent to the computer in which all the information is stored in the weight, value, and availability of the objects. By scrutinizing the information of the scanner, the information will be given to the electronic cash registers. There is a detailed description of the architectural cost.
Scanners that identify letters and symbols: - Scanners of such formats come in to recognize letters and symbols. Such scanners are used for a particular purpose. There are 3 types in which it is used to identify checks on checks in the bank and penciled blood has been selected from many options. MICR, OCR, OMR
Operating system (OS)
There is no need for any computer to work with the computer and the person working on the computer. The program that is conducted through this program is called Operating System or OS. There are operating systems like DOS, UNIX, Windows, Apple.
The operating system is an important part of the software. Even if you have a strong package like your Zurm, Word, Excel, AutoCAD, Photoshop, Tally, you can not use these packs without the operating system. In the operating system, your hard Windows operating system is popular. Currently part of this operating system is popular in Win 2000, Win XP, Win Vista, Win 7. Using more.
Required configurations for Windows XP:
1. Processor: - Minimum P-1, 233MHz, Ram: - 128 MB minimum 64MB,
2. Hard Disk: - 1.5 GB, Drive: - CD Rom
3. Monitor: - S-VGA monitor, Other: - Keyboard, Mouse
Software:
The software is a program used on a computer. You can get the desired output by giving this specific command and specific information through this program. The software is the essential requirement for using a computer. The different hardware and hardware commands you give to the computer. Some special programs are needed to provide those commands and instructions. These programs are called computer software.
The software runs next.
1) Application Software: -
Application software is a software that can get results from using the computer. This is called Package. Eg .Word, Excel is also possible due to soft formatting, or even a lot of such software. Normally, such software is designed to design an office work from a computer.
2) Development software: -
Development software is called language software. The first thing we saw before that is that application software is the result of using a computer, but it can be a result of the result. Deployment software is designed to give instruction to different types of computers in a different language. It comes with basic, COBOL, c, c ++ visual basic software.
3) Operating system: -
There is no need for any computer to work with the computer and the person working on the computer. The program that is conducted through this program is called Operating System or OS. There are operating systems like DOS, UNIX, Windows, Apple.
Internet:
In 1969, a US-funded projector developed the International Computer Network. The network connecting with the world's smallest network is the Internet. In 1992, at the Center of European Nuclear Research in Switzerland (CERN) the Web World Wide Web (www) reached you. Before this, the Internet was a medium without graphics, animation, sound video interfaces. It is possible to see all these things on the net due to the web. And the internet became an effective tool for the 21st century's make-up shop. The Internet is made by connecting with wires, cables, satellites. The Web is the one that connects the data available on the Internet to the Web. The Internet is commonly used for the purposes of the Khalil.
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