computer.nettynet

A computer(computer) The computer that the calculation start back works to the calculation end without hands in a computer, a narrow sense in は, a wide sense. It points at Turing machine and an equivalent thing theoretically. It points at a personal computer (a PC) routinely and tends to call it "a computer". An input-output device (an input/output device) is connected to input and output through input-output interface. For example, there is a wide thing from the familiar thing which said a keyboard, a mouse, a scanner, a monitor and a printer, magnetic disk unit, an optics drive device, network interface to three dimensions display and a thing such as the data glove for an input-output device. The input-output device can mainly classify roughly to a thing (a keyboard, a scanner) to get input, a thing (a monitor, a printer) to output it, a thing (magnetic disk unit, interface) which had the output and input. It is CPU (CPU ; at ALU and a control unit with the modern computer central processing unit) I summarize と in one integrated circuit called it. The memory of the computer arranges it near a CPU in the form of several small integrated circuits typically. It is the overwhelming attachment system that it seems to be power-supply unit to occupy most or an input-output device of the mass of the computer. With the large-sized computer, I am different from the model such as the above, and there is the thing that plural CPU's and control units move at the same time. Furthermore, I am big and am different from the model that I wrote on the top with the computer used for a study use and a scientific calculation mainly. However, the computer of such a type is hardly seen in a commercial objective model so that a method of the programming is not standardized. It is the big list of the order to let merely computer carry out the computer program. The face of data can be attached depending on a case. A program of number of 1 line or more around 1,000 lines is used, but the computer programs such as a word-processing software or the OS consist of orders of millions of lines now. Many of these orders are carried out repeatedly. The typical personal computer at the point in time can carry out 2000000000-3000000000 orders for one second in 2003. Such an exceptional intelligence of the computer is not a thing coming from the ability that can carry out a complicated order. Rather the computer carries out a simple order of millions of made by people called a programmer. Because it is inefficient to write all from top to bottom every program newly, the set (a library) of a working order used well to picture a dot in a screen is prepared for a lot. Most computers seem to carry out many programs at the same time today. This is usually called multi task. Actually I change it in another program after short time and carry out the order after having carried out the order of the program how there is the CPU. I call an end of this short time time slice. Plural programs share CPU time, and it seems to be carried out at the same time hereby. This resembles that, in fact, an animation is made with the short continuation of the frame of the still image. This time sharing is usually controlled by a program called the operating system.

• ホームページは人気№1だけではアリマセン！カリビアンコムはコンテンツ…