سلام
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Private registers.
Private registers are memory units which can store data, but which are not accessible to the computer system user. They are for the "Private" use of the central processor itself. (as an example, consider the subtraction problem A-B. the processor treats this problem in the following way. First, the negative –B of the number B is calculated, and then that result is added to the number A. when the negative of B is calculated, it is put in a "Processor-Private" register, which is then added to A.)
ثباتهای خصوصی
ثباتهای خصوصی واحدهایی از حافظه هستند که می توانند داده ها را ذخیره کنند، اما برای کاربر سیستم کامیپوتری در دسترس نیستند. آنها برای استفاده پردازشگر مرکزی بصورت خصوصی برای خودش است...
Processor Status
The processor status is a collection of "indicators" which give some indication of the current state of the central processing unit at any moment. We cannot say much more about processor status at this point, except to give a simple example. Suppose that the processor carries out the subtraction 4-7, as in the example above. Since the result of that subtraction is a negative number, at the completion of this arithmetic operation, one of the indicators in the processor status will show that last processor operation yielded a negative result. In a similar fashion, 7-7 would set the processor status in such a way as to indicate that the last operation yielded a zero result.
وضعیت پردازنده
وضعیت پردازنده هست یک مجموعه از شاخص ها که نشانه وضعیت جاری واحد پردازشگرز مرکزی در هر زمان است. ما نمی توانیم بگوییم درباره وضعیتهای پردازنده در یک نقطه، به جزء یک نمونه ساده. تصور کنید که پردازنده انجام می دهد تفریق 7-4 ، این نمونه ای برای بالا است....
Arithmetic / logic unit
As the name implies, it is in the Arithmetic / logic unit (ALU) that the arithmetic operations are performed-addition, subtraction, and so on. Some "Logical" operations are carried out here as well.
Control unit
The control unit in the CPU manages the movement of data within the processor. For example, the contents of public or private registers might have to be moved to the Arithmetic / logic unit so that the latter unit can perform and arithmetic operation on them. Similarly, data might have to be moved from the processor to main memory for storage, or from main memory to the CPU for some kind of processing (an arithmetic operation, for instance). It is the responsibility of the control unit to manage this movement of data, and to do numerous other tasks as well. Incorporated within the control unit is a decoder, which determines just which operation the processor is to carry out at any time.