自考07015计算机专业英语模拟试题6

试题数量：52道
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该试卷共包含52道试题，试题类型如下:

单选题

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1、[单选题]Which of the following is WRONG about the comparison between th e early version and the current version of Ethernet?
- A.The original address fields in the experimental Ethernet have been changed in the current versions.
- B.The destination and source addresses have been overleapt in the current Ethernet versions.
- C.A switched full duplex system can offer higher performance than the CSMA/CD scheme used by the early Ethernet.
- D.The running speed of the current Ethernet is 100 times and beyond as fast as that of the early versions.
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2、[单选题]He was glad to find the fire()brightly.
- A.burned
- B.to bum
- C.have bum
- D.burning
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3、[单选题]is a word processing tool that helps you to create quality doc uments.
- A.Excel 2000
- B.Outlook 2000
- C.Word 2000
- D.Access 2000
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4、[单选题]The distinction between the two terms gateway and＿＿＿＿＿＿＿＿is disappearing.They are now used interchangeably.
- A.hub
- B.gateway
- C.router
- D.swtich
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5、[单选题]The data,when they are not encrypted,are called＿＿＿＿＿＿＿＿.
- A.ciphertext
- B.plaintext
- C.context
- D.hypertext
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6、[单选题]The prisoners’request()more and better food is now consideratio n.
- A.for,under
- B.for,into
- C.for,on
- D.for,in
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7、[单选题]In the system development process,＿＿＿＿＿＿＿＿and pseudoco de are tools used by programmers in the implementation phase.
- A.object-relationship chart
- B.flowcharts
- C.toplogic chart
- D.structure chart
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8、[单选题]Anti-Virus protects your computer from viruses by＿＿＿＿＿＿＿＿your computerˊs memory and disk devices.
- A.changing
- B.scanning
- C.replacing
- D.deleting
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9、[单选题]＿＿＿＿＿＿＿＿printers are being phased out and replaced by prin ters that can produce clean type.
- A.Laser
- B.Dot-matrix
- C.Drum
- D.Inkjet
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10、[单选题]Whereas a repeater operates only in the physical layer of the OSI model,a bridge operates in both the physical layer and the()laye r of the OSI model.
- A.Transport Layer
- B.data-link
- C.Network Layer
- D.Physical Layer
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