What does EDV

EDP ​​definition & explanation of terms

The abbreviation EDV means electronic data processing and describes the acquisition and processing of data with an electronic machine. A computer is usually used for this. Electronic data processing always applies the so-called EVA principle. This abbreviation stands for input, processing and output. The user of the device has to enter the data, the computer then processes them independently and returns the results of the processing to the user in a certain way. It is important that each program specifies its own structures for data processing.

When entering the data, these structures must be strictly followed. If this does not happen, the processing of the data cannot be carried out properly. This creates errors that can often have serious consequences. Therefore, the employees who are charged with entering the data must be instructed precisely in these structures in order to avoid errors. However, this problem has become less and less with modern programs for data processing, since these programs have functions that can detect structural errors in the input. An error message is issued and the process can be started again.

The processing of the data is always carried out according to fixed guidelines. The same data records must always produce the same result. Various output devices can be used to output the data. Very often this is the computer screen. A storage device such as a hard drive or a mobile data carrier can also be used to output the processed data. In addition, the data can also be output via the printer or via various special devices.

IT history

Electronic data processing was developed as early as the 1930s. In 1937, the first electronic computer was created that could take on IT tasks. Electronic data processing was strongly promoted by the Second World War. In 1942 the first universal computer was finally developed, which was named ENIAC. This represented a very important invention for electronic data processing. ENIAC was initially used by the US Army. Therefore, the development of EDP initially served mainly military purposes. Only after the end of the war were the inventions that the war brought with it also used for civilian tasks.

The advantages of EDP were soon recognized, especially in the commercial sector and in administration, and more and more offices were equipped with computer systems. Electronic data processing soon found its way into universities as well. At that time, however, the term electronic data processing was still somewhat ambiguous. Although the computing processes for data processing took place electronically, punch cards were used for input and output. These are sheets of special paper that holes are punched into to mark the various bits. In order to read in the data, the card had to be inserted into the computer and a device on the computer also punched holes in the card for output. This is a purely mechanical process. Therefore, at that time, one cannot actually speak of electronic data processing in the actual sense, although this term was already beginning to establish itself.

It was only when electronic storage media such as magnetic tapes and later hard drives, floppy disks and other electronic data storage media were introduced that the term EDP was actually correct. While IT was able to spread very quickly in the area of ​​professional users, it remained inaccessible to private individuals for a long time. Since the prices for computing systems were very high, very few private people could buy a computer. It was not until the end of the 1980s that computers were developed that were also used in private households. In the course of the nineties, the computer developed into standard equipment in German households, so that from this point on, EDP was also used in the private sector.

EDP ​​in modern companies

Nowadays there is hardly a company that does not have a computer. Therefore, electronic data processing has already become the standard in all areas of the economy. Computer workplaces are becoming more and more common, whatever involves the use of electronic data processing. Basic knowledge of IT has therefore become an important prerequisite for employment in almost all professional groups.

In larger companies there is almost always a so-called IT department. Although many employees outside of the IT department also use electronic data processing, this department is responsible for providing the infrastructure for the other employees. For example, you have to regularly renew the hardware of the employees' computers so that they meet the ever increasing demands on IT. It is also necessary to install programs that the other employees need to process the data. The members of the IT department have to instruct their colleagues in the use of the new programs and thus ensure that everything runs smoothly.

The establishment of company networks is also an important area of ​​responsibility for the IT department. In the past, this department almost always employed programmers who created programs tailored to specific company tasks. However, as more and more standard programs are used, this task becomes less and less important. On the other hand, the task of disposing of obsolete devices became more important. The increasingly problematic disposal of electronic scrap poses completely new tasks for the IT department in this area.

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