Data


 * __Data:__** Data on its own is meaning less. It is any numbers, text or raw facts. Data can only be information that could be understood, only after it has been processed.

there are three ways to do this - with one single computer - between a computer and other computer - between a computer and external devices
 * __ Data transfer __** - it is the movement of information from one place to another.

When you start your computer, the loading of the operation system is one of the datatransfer within one computer. The data is also transferred mostly with softwares. When you open a software or importing files from a different software, it is also called data transfer.
 * __With one single computer__**

**__Between a computer and other computer__** This type of transfering data is mostly done in students. When the students often send or transfer their work on a memory stick, they are called transfering data between a computer and other computer.

__** RTF **__ - It stands for Rich Text File. RTF enables files to be open in another programs. __**JPEG**__ - It stands for Joint Photographic Experts Group. JPEG is used for viewing pictures __**MPEG**__ - It stands for Moving Pictures Experts Group. It is used to view movies or videos.
 * __ CSV __** - It stands for comma separated values. If it is converted to CSV, it can be read by other spreadsheets or databases.
 * __ ASCII __** - It stands for American Standard Code for Information Interchange. It can change the text file into a readable file for any file.

__** Between a computer and external devices **__

The example of transfering data between a computer and external device is like the printer. If you send a file to a printer or any external device it is using this method.

Data pricessing is a way to sort out data. Raw data has to be inputed to the device. Data has to be processed using instruction from computer programs. The processed data has to be output Data is the most important thing and it has to be protected. The most damaged way are by: - Hackers - Viruses - Theft - Physical damage - Mistakes by users - Hard disk drive failure - Hurricane and earth quake - Fire and flood - Computer fraud
 * __ Data Processing __**
 * __Data Loss__**

**__Capturing data__** When you put a collection of data into a suitable structure for processing by a computer. When you go to libraries or supermarket, you will see a black line on the product. That is called the barcode. Barcode is the fastest way to capture data. __**Entering data**__ When you are entering any kind of data, it should be quick as possible. It is very important if it is on database with thousand of records. The data has to be accurate also.