A computer is a fast electronic items, which send under the control of instructions that can be saved, and interpret data. The first products in a manner reminiscent of modern computers are in the middle of the 20th Century introduced, especially in the 1940s years.
The concept of multiple computers is comparable to the computer, the time long before that. The first models of electronic computers were the size of a large room, well supplied with electricity of around 700 modernPCs.
In addition, computers are now based on integrated circuits. You are one million times stronger, while occupying only a small space. Today, computers can be built small enough to fit on the clock. The battery is enough to make it work. Personal computers are also known icons in the information age and the sometimes confusing to a computer while your computer is more widespread, what we call today the embedded computer.
Since the word integrity mean, this kind of computer a simple and veryrarely used to control devices. In addition, computer equipment, such as hunters are embedded, digital cameras, industrial robots, and toys for children.
Computers are versatile because they, as well as the ability to meet the storage, called programs have. They say the team is probably the situation are the tasks that can make any other computer. This means that any kind to an individual or a super-computer can be the same computing performance tasks that do arise from or given tothem because they have enough storage capacity.
How does a computer?
In general, ithas four sections, namely, the control unit, the ALU or arithmetic logic unit, and the I / O or input and output devices. Groups son said interconnect bus all parties. The control of the ALU and the basic input / output with other computers that are closely associated with the above mentioned products, known as the processor or CPU. Early versions of the CPU were of different elements,But since the 1970s, processors are usually in a single integrated circuit designed as a microprocessor.
The control unit as a central command and control system, the other computer components known managed.
Its primary method is to decipher or interpret one by one, all instructions in a program. Decode a lot of training, and converted into a sequence of signals that control the functions of computer parts. The advanced control of equipment, probably in Maypart of the sequence of instructions to improve performance.
An important component of all CPUs is the special combat unit of memory or a register called the program. The call drawbacks of the program keeps track of the memory location where you read the following statement. The controller has several functions. One is to read the code of the next set of instructions, the specified cell, the program counter. Another feature is that once again in the digital code instructions oneNumber of signals or commands for each system.
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