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单选题 ( ) is the control and data processing center of the whole computer system
学科：计算机专业英语
时间：2023-12-27 07:54:49
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题目1单选题
A computer system consists of two main elements: ( )A. input devices, output devicesB. hardware,softwareC. CPU,memoryD. RAM, ROM
题目2单选题
The peripherals of the computer can be classified into two groups:( )A. Data Bus,cablesB. pointing devices, output devicesC. input devices, output devicesD. Control Bus,inner Bus
题目3单选题
Users can type in texts and commands using the ( ),which is one of the most important input devicesA. mouseB. scannerC. microphoneD. keyboard
题目4单选题
The most useful pointing device is a ( ) ,which allows the user to point to elements on the screenA. digital cameraB. mouseC. PC cameraD. keyboard
题目5单选题
The characteristic of the LCD is ( )A. taking up a lot of spaceB. taking up little spaceC. displaying texts and images with greater unclarityD. A and C
题目6单选题
( ) is the control and data processing center of the whole computer systemA. MemoryB. MotherboardC. CPUD. Bus
题目7单选题
When the computer is turned off, any information in ( ) will be lostA. RAMB. ROMC. storageD. memory
题目8单选题
( ) is the most popular Bus to be used on a motherboardA. Address BusB. Data BusC. Control BusD. PCI Bus
题目9单选题
Two main components on the motherboard are ( )A. memory and circuit boardsB. CPU and memoryC. arithmetic unit and control unitD. ROM and RAM
题目10单选题
A ( ) does not belong to the output devicesA. facsimile machineB. headsetC. speakerD. microphone
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