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Any computer, be it a large PC or a small embedded computer, is useless if it has no means to interact with the outside worl
A.I/O communications for an embedded computer frequently happen over a bus called the (71)．
B.I/O bus
C.Memory Bus
D.Device bus
E.Intemal Bus
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更多 “ Any computer, be it a large PC or a small embedded computer, is useless if it has no means to interact with the outside worlA.I/O communications for an embedded computer frequently happen over a bus called the (71)．B.I/O busC.Memory BusD.Device busE.Intemal Bus ” 相关考题
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●If your diskette has been (69) ，the computer can not store any new information on it.(69) A．formattedB．write protectedC．testedD．Certified
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The basic input device on a small computer is a () .
A、keyboardB、printerC、A display screenD、card reader
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If your diskette has been _______,the computer cannot store any new information on it.A.formattedB.write protectedC.testedD.Certified
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●An Embedded System is a (72)designed for specific control functions within a larger system.(72) A． computerB． programC．computer systemD．tool
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If your diskette has been(66), the computer can not store any new information on it.A．formattedB．write protectedC．testedD．Certified
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With the widespread use of the personal computer, many authorities in the field of(56)have pointed out the need for computer literacy.Unfortunately, there is no(57)agreement as to what the term "computer literacy" means. Some feel that computer literacy means knowing how to make the computer "compute"; that is knowing how to program computers in one or more programming languages.Others feel that knowing how to program is merely a small segment of computer literacy. These people(58)the major emphasis in schools should be on teaching how to effectively use the many software packages that are available.Still others suggest that computer literacy education is not required. They suggest that computers are being so rapidly integrated into our society that using a computer will be as(59)as using a telephone or a video tape recorder, and that special education will not be necessary. (60)of one's definition of computer literacy, it is recognized by most that learning to use a computer is indeed an important skill in modern society.A．cultureB．scienceC．educationD．industry
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A ______ computer is a personal computer whose hardware is capable of using any or all of the following media in a program, text, graphics, video and animation.A．databaseB．multimediaC．networkD．mainframes
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Which of the following describes a computer in which the HDD LED is lit, but the mouse does notrespond and the computer is unresponsive?()
A. The computer has locked upB. Windows Update is runningC. The computer is in Safe ModeD. The reset button is stuck
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Without systems software, application software in a computer is(73)A．nouseB．usefulC．usenessD．useless
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An embedded device is a (74) that has been devised to perform. some certain functionsIt is dedicated to execute a particular task that might require processors that are powerful. A .peripheralA.peripheralB.computer systemC.kermelD.user design
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The underlined word \\\hacker\\\ (Para. 1) most probably means \\\hacker\\\ (Para. 1) most probably means \\\________\\\.[A] highly recognizable names behind many of the computer technologies used today[B] the negative connotation of those computer users[C] a game, employing the tools that are readily available via the Internet[D] people who break into computer systems
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An embedded device is a______that has been devised to perform some certain functions.It is dedicated to execute a particular task that might require processors that are powerful.A.peripheral
B.computer system
C.kernel
D.user design
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An embedded system is an applied computer system,as distinguished from other types of______such as personal computers（PCs）or supercomputers.A.computer systems
B.computer hardware
C.computer software
D.systems
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Which one of the following statements about iPhone X’s FaceID is false according to this article？( ) A.It is a whole new technique Apple Inc.applied on iPhone X.
B.It has started a revolution in computer-vision industry.
C.It has a problem of revocation.
D.It has embedded security mechanisms to secure the data on the phone.
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A system administrator has disabled USB ports after experiencing several virus outbreaks. A user needs to transfer several extremely large work related files from their home desktop computer to their work desktop computer. Which of the following will allow the user to transfer the needed files?（）A、An IEEE-1394 deviceB、A NIC deviceC、An IrDA deviceD、A FDD device
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A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A、The wrong cable type has been used.B、. IDS has shut down the computer's switch port.C、The port on the switch is configured incorrectlyD、Spanning tree protocol was implemented.
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Which of the following describes a computer in which the HDD LED is lit, but the mouse does notrespond and the computer is unresponsive?（）A、The computer has locked upB、Windows Update is runningC、The computer is in Safe ModeD、The reset button is stuck
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Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?（）A、Modify the time zone for the computer.B、Modify the IPv4 settings on the computer.C、Create an A record for the computer in an internal DNS zone.D、Request that an administrator create a prestaged computer account in the domain.
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单选题customer wants to network several computers within a large warehouse. The warehouse has one computer at the very far end of the warehouse that is 170 meters (557 feet) from the network switch. Which of the following cable types should a technician use for this computer?（）A
CAT3B
CAT5C
CAT6D
Fiber
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单选题A system administrator has disabled USB ports after experiencing several virus outbreaks. A user needs to transfer several extremely large work related files from their home desktop computer to their work desktop computer. Which of the following will allow the user to transfer the needed files?（）A
An IEEE-1394 deviceB
A NIC deviceC
An IrDA deviceD
A FDD device
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单选题Your company has an Active Directory domain. A user attempts to log on to a computer that was turned off for twelve weeks. The administrator receives an error message that authentication has failed. You need to ensure that the user is able to log on to the computer. What should you do（）A
Run the netdom TRUST /reset command.B
Run the netsh command with the set and machine options.C
Run the Active Directory Users and Computers console to disable， and then enable the computer account.D
Reset the computer account. Disjoin the computer from the domain， and then rejoin the computer to the domain.
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单选题“Can I use your computer?”“Of course. You are _____ liberty to use my computer at any time.”A
ofB
onC
inD
at
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单选题People made small shops into small game houses in order to _____.A
make computer games more popularB
get more moneyC
help people to learn computer betterD
make people happy
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单选题A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A
The wrong cable type has been used.B
. IDS has shut down the computer's switch port.C
The port on the switch is configured incorrectlyD
Spanning tree protocol was implemented.
考题
单选题Which of the following describes a computer in which the HDD LED is lit, but the mouse does notrespond and the computer is unresponsive?（）A
The computer has locked upB
Windows Update is runningC
The computer is in Safe ModeD
The reset button is stuck
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