評論
打印
Notes
注意事項
It looks very much like a typewriter keyboard with rows of keys arranged in the typical typewriter layout,
它看起來非常像一臺打字機的鍵盤，上面配置著一排排典型打字機的按鍵，
as well as a number of additional keys used to enter special computer-related codes.
另外一些附加按鍵是用來輸入與計算機有關(guān)的特殊代碼，
Although it isn't the only type of input device available ,the computer keyboard is the one most generaly used by the business community.
盡管鍵盤不是唯一使用的輸入裝置，但迄今它仍是商務(wù)機構(gòu)最常用的一種輸入裝置。
The purpose of storage hardware is to provide a means of storing computer instructions and data in a form that is relatively permanent, or nonvolatile
存儲硬件的用途是為計算機指令和數(shù)據(jù)提供一定格式的存儲方法，這種格式的存儲方法比較持久或不易丟失
That is ,the data is not lost when the power is turned off .
（也就是說，當電源切斷時，數(shù)據(jù)不至丟失）
and easy to retrieve when needed for processing.
而且在數(shù)據(jù)需要加工處理時同，也易于檢索
Storage hardware serves the same basic functions as do office filing systems.
存儲硬件的作用與辦公室文檔系統(tǒng)的作用相同，
Except that it stores data as electromagnetic signals or laser-etched spots.
但不同的是存儲硬件所存放的數(shù)據(jù)是一些電磁信號，或者是一些激光蝕刻光點。
commonly on disk or tape ,rather than on paper.
而且一般均存儲在磁盤或磁帶上，而不是在紙上。
Professional Terms
專業(yè)術(shù)語
activity n.
活動
coordinate v.
調(diào)整，協(xié)調(diào)
effectively v.
有效地，實際地
internal a.
內(nèi)部的，內(nèi)存的
primary n.
主要的，第一位的
sophisticated a.
復雜的，高級的，尖端的
processing Hardware
處理硬件
The purpose of processing hardware is to retrieve, interpret and direct the execution of software instructions provided to the computer.
處理硬件的用途在檢索、解釋為計算機提供的各種軟件指令，并為這些指令的執(zhí)行提供指導。
The most common components of processing hardware are the central processing unit and main memory.
最常見的處理硬件的部件是中央處理器和主存儲器。
The central processing unit( CPU) is the brain of the computer.
中央處理器（CPU）是計算機的大腦。
It reads and interprets software instructions and coordinates the processing activities that must take place.
它可用來閱讀解釋各種軟件指令，并協(xié)調(diào)所產(chǎn)生的各種處理活動。
The design of the CPU affects the processing power and the speed of the computer.
CPU的設(shè)法會影響到計算機的處理能力和速度，
as well as the amount of main memory it can use effectively
以及能否有效地利用主存儲器的容量。
With a well-designed CPU in your computer ,you can perform highly sophisticated tasks in a very short time.
如果計算機有一個設(shè)計優(yōu)良的CPU，那么你就能在極短的時間內(nèi)，執(zhí)行高度復雜的任務(wù)。
Main memory (also called internal memory ,primary storage ,or just plain memory)
主存儲器（又稱為內(nèi)存、主存或簡稱存儲器）
can be thought of as an electronic desktop;
可以被看成一個電子桌面。
the more desk surface you have in front of the computer,
同樣，如果計算機存儲器容量很大，
The more software instructions in it.
你就可以存儲更多的軟件指令。
The amount of memory available determines whether you can run simple or sophisticated software.
可使用的存儲器容量的大小，將決定你能運行簡單的軟件或者是能運行復雜的軟件；
a computer with a large memory is more capable of holding the thousands of instructions that are contained in the more sophisticated software programs.
一臺擁有大容量存儲器的計算機，就會有更大的能力，去存放更加復雜軟件中的數(shù)千條指令。
A large memory also allows you to work with and manipulate great amounts of data and information at one time.
大容量存儲器也使你能一次使用大量的數(shù)據(jù)和信息。
Quite simply, the more main memory you have in your computer ,the more you can accomplish.
十分簡單，計算機的主存容量越大，你能完成的任務(wù)就越多。
