Computer memory can be divided into two sections. The section common to all computers is the main memory. A second section, called the file or secondary memory, is often present to store large amounts of information if needed.
The main memory is composed of semiconductor devices and operates at much higher speeds than does the file memory. Typically a word or set of data can be stored or retrieved in a fraction of a microsecond from the main memory.
We shall limit our discussion to semiconductor main memory. There are two broad classifications within semiconductor memories, the read-only memory (ROM) and the read-write memory (RWM). The latter is also called a RAM to indicate that this is a random-access memory. Random access simply means that...
存儲器是能夠存儲一位或多位信息的媒體或裝置。在二進(jìn)制系統(tǒng)中，一位以兩種可能狀態(tài)之一進(jìn)行存儲，分別代表1或0。觸發(fā)器就是一位存儲器的例子。配有合適的傳送裝置和讀寫電路的磁帶是大存儲器的另一個極端的例子，存儲能力在10億位以上。?
計(jì)算機(jī)的存儲器可以分成兩部分。所有計(jì)算機(jī)都有的部分是主存儲器。第二部分稱為 文件存儲器或輔助存儲器，在需要的時候，常用以存儲大量的信息。
主存儲器是由半導(dǎo)體器件組成的，其運(yùn)行速度比文件存儲器快得多。一般來說，以零點(diǎn)幾微秒的時間即可對主存儲器存或取ー個字或一組數(shù)據(jù)。
我們只討論半導(dǎo)體型主存儲器。半導(dǎo)體型存儲器分為兩大類：只讀存儲器(ROM)和讀寫存儲器(RWM)。后者也稱為RAM——隨機(jī)存取存儲器。隨機(jī)存取的意思只是說……
在這段文章的譯文中，譯者將普通詞匯memory，按照專業(yè)術(shù)語的要求譯成“存儲器”，并堅(jiān)持ー貫性原則，在翻譯main memory，file memory, and secondary memory， the read-only memorv (ROM)，the read-write memory (RWM)，random-access memory. 等詞時，將其中的memory始終保持一致地譯成“存儲器”。
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