Computer applications

Computer applications - application of computers

Data processing - A computer is used to perform large and large data processing and to generate information. This makes it very easy to collect, analyze, and retrieve data.

Education - The picture of modern computer education has changed. With the medium of the Internet, we can now receive information on any subject in just a few moments. Schools and colleges have also been connected to the internet and many places. However, the focus is on the intelligent class, which is only possible due to the computer

Bank - The use of computers has revolutionized in the banking sector, the old books and registers have been replaced by computers. Most bank functions are performed using computers, such as withdrawing money and deposits. There are even computer-controlled machines for counting money

Communication - 4G Internet is used by children today. Computer technology has made it possible to use the Internet in communications, and the Internet has triggered the communications revolution.

Recreation - The use of multimedia has made computers diverse, computers are also used to play movies, television, and video games.

Governance - Each institute has its own internal administration and management tasks, which are done by computer, as well as the advantages of state systems, since e-governance still reaches people's claws today. Was formerly

Security - Without a computer, our security system is completely weak today. Aircraft tracking and surveillance cameras are used to track aircraft

Commerce - Computers, shops, banks, insurance companies, credit companies, etc. are the most common. It has become impossible for the financial world to work without a computer

Industry - Many industrial institutes; For example, steel, chemical, oil companies, etc. depend on computers. Plants also use computers to actually control processes.

Medicine - In the field of medicine, the use of computers is used to detect various physical illnesses. The analysis and diagnosis of diseases is also possible by computer, in modern times X-ray, city scan, ultrasound, etc. in various areas. Computer is widely used

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History of computer

History of computer Computer tech study:- History of computer It was difficult for humans to calculate from the start. Humans can only calculate or calculate to a limited extent without machines. In order to be able to perform many calculations, humans have to rely on the machine to meet this need. Built computers, that is, to calculate. Abacus - 3000 years ago Abacus was developed by Chinese scientists about 3,000 years ago. In a rectangular frame were wooden boards on iron bars, which were calculated or calculated from top to bottom. That said, it was the first computer to run without electricity. In fact, it was up to you to do this job. Antikythera system - 2000 years ago Antikythera was originally an astronomical calculator used to track solar and lunar eclipses in ancient Greece. Antikythera is approximately 2000 years old and was discovered by scientists in 1901 on a ship that was completely destroyed on the island of Antikythera. Acquired in a chronically dilapida...

basic Computer architecture

Computer architecture 1- I nput unit Input units are the hardware parts of a computer that can be used to enter data into the computer. They use input devices such as keyboards, mice, etc. for input and the computer via software. Or instruct it to be called I / O devices 2- Central unit The central unit processes the input data. For this purpose, both the central processing unit and the computing unit carry out an arithmetic calculation and a logical calculation and process the data. The CPU is called the brain of the computer. 3- Memory Memory is the part of a computer that stores user input and process data. It has two types of primary and second data, e.g. B. RAM and hard drive. 4- Output unit Based on the command you specified, you receive the processed information from the output computer that is received by your output device or output device. The best example of an Out device is your computer monitor. It's called I / O devices.

computer memory basics

computer memory What is computer memory? The CPU is called the brain of a computer, but while the human brain does a lot of work and protects our memories, the CPU only does arithmetic and logical calculations. Processes input data, process data cannot be protected because process data must now be stored in a safe place so that this task can be performed using computer memory (computer memory). Computer memory is divided into many small parts that we call cells. Each cell has a unique address or path. Whenever you save or save a file on a computer, it is saved in a cell - There are two types of computer memory : Variable - It is also called primary storage, also called primary storage. It is in direct contact with the CPU and its data and instructions are used quickly and directly by the CPU. This is called a variable memory because this memory cannot store any data permanently. Example - RAM Non-volatile - This is known as secondary storage. It is used to permanently stor...

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