A: memeory storage devices
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B: crt screen
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C: a bus
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D: output devices
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E: input devices
举一反三
- A digital computer is generally made up of five dstinct elements: a central processing unit,(). A: memeory storage devices B: crt screen C: a bus D: output devices E: input devices
- The<br/>( ) is a worldwide computer network, that is, a network that<br/>interconnects millions of computing devices throughout the world. A: public<br/>Internet B: Intranet C: switch<br/>net D: television<br/>net
- Among the following devices, both belong to the output device and the<br/>input device ____. A: Hard disk B: Keyboard C: Mouse D: Plotter
- A computer system consists of two main elements:_______. A: input devices, output devices B: hardware, software C: CUP, memory D: RAM, ROM
- Two<br/>kinds of new LED devices are perovskite LED and organic LED. ( <br/>)
内容
- 0
Which<br/>of the following devices may be used to de-multiplex the lower<br/>address bus from multiplexed address-data bus of MCS-51?(). A: 74373 B: 74245 C: 74139 D: 74139
- 1
New electronic devices have made( )on a test an<br/>area of high-technology. A: cheating B: chatting C: charging D: cracking
- 2
From<br/>the viewpoint of cognitive science, human cognition is ____ A: input<br/>of information B: processing<br/>of information C: output<br/>of information D: none
- 3
The<br/>backbone of a DNA molecule is () A: made<br/>up of sugars B: made<br/>up of nitrogenous bases C: made<br/>up of phosphate D: made<br/>up of alternating phosphate and sugar groups E: made<br/>up of alternating sugars and nitrogenous base
- 4
In<br/>actual technology evolution, voltages have not been reduced with the<br/>same scaling factor. Electric fields in MOS devices have tended to<br/>increase as device dimensions shrink. ()