| A computer is a fast electronic item, which operates | | | | How does a computer? |
| under the control instructions that can store, send and | | | | In general, ithas four sections, namely, the control unit, |
| interpret data. The first products in a way reminiscent | | | | the ALU or arithmetic logic unit, and the I / O or input |
| of modern computers have been introduced in the mid | | | | and output devices. Groups son said bus interconnect |
| 20th century, especially in the 1940s. | | | | all parties. The control unit of the ALU and the basic |
| The concept of multiple machines is similar to the | | | | input / output with other computers that are closely |
| computers that existed long before that date. The first | | | | related to the above products are known as the |
| models of electronic computers were the size of a | | | | processor or CPU. Early versions of the CPU were |
| large room that draws significantly power of around | | | | made of several different elements, but since the |
| 700 modern PCs. | | | | 1970s, processors are usually constructed in a single |
| Moreover, computers are now based on integrated | | | | integrated circuit called a microprocessor. |
| circuits. They are a million times more powerful while | | | | The control unit also known as a central controller and |
| only occupy a small space. Today, computers can be | | | | control system that manages other computer |
| built small enough to fit on the clock. The battery is | | | | components. |
| enough to make it work. Personal computers are also | | | | Its primary method is to decipher or interpret one by |
| known icons in the information age and the sometimes | | | | one, all instructions in a program. Decode each set |
| confuse a computer, while computer more common | | | | Training and transformed into a sequence of signals |
| today is what we call embedded computer. | | | | that control the functions of computer parts. The |
| Since the word integrity implies, this type of computer | | | | advanced control systems of equipment, probably in |
| is a simple and very rarely used to control devices. In | | | | May to change part of the sequence of instructions |
| addition, computers are embedded in machines such | | | | improve performance. |
| as hunters, digital cameras, industrial robots, and toys | | | | An important component of all CPUs is the special unit |
| for children. | | | | of memory or a register called the program counter. |
| Computers are versatile because they have the ability | | | | The call cons of the program keeps track of the |
| to perform as well as storage instructions, called | | | | memory location where you read the following |
| programs. They say the team is probably capable of | | | | instruction set. The control system has several |
| performing the tasks that any other computer can do. | | | | functions. One is to read the code of the next set of |
| This means that any kind either an individual or a | | | | instructions the indicated cell, the program counter. |
| super-computer can do the same computational tasks | | | | Another feature is that decodes the digital codes |
| arising from or given to them because they have | | | | instructions in a series of signals or commands for |
| enough storage capacity. | | | | each system. |