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( )1. The electronic circuitry within a computer that carries out the instructions of a Computer program by performing the basic arithmetic, logical, control and input/output(I/O) Operations specified by the instructions.
计算机内部的一种电子电路,它通过执行指令所规定的基本算术、逻辑、控制和输入/输出(I/O)操作来执行计算机程序的指令。
() 2. A screen that displays peripheral output to the user.
用户显示外设输出的屏幕。
() 3.The least powerful and most widely used type of computer.
最不强大和最广泛使用的计算机类型。
() 4. Communications system connecting two or more computers. -
连接两台或多台计算机的通信系统。
() 5. Translates data and programs that humans can understand into a form that the Computer can process.
将人类能够理解的数据和程序转换成计算机能够处理的形式。
( ) 6. Translates processed information from the computer into a form that humans can Understand.
将计算机处理过的信息翻译成人类可以理解的形式。
() 7. Holds data and program instructions for processing data.
保存数据和处理数据的程序指令。
( ) 8. Holds data and programs even after electrical power to the system has been turned Off.
保存数据和程序,即使在电源系统已经关闭。
() 9. Typically used to store programs and very large data files.
通常用于存储程序和非常大的数据文件。
( ) 10. Use laser technology and have the greatest capacity of all secondary storage.
采用激光技术,具有所有二次存储器中最大的容量。
选项:
|a. monitor(监控)
|b. secondary storage device(二级存储设备)
|c. CPU
|d. hard disks(硬盘)
|e. microcomputers (微型计算机)
|f.optical disks(光碟)
|g. output device(输出设备)
|h.input device(输入设备)
|i. computer network(计算机网络)
|j. primary storage(主存储器)