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单选题
POST errors in the 17xx range generally indicate （）errors.
A
USB
B
Floppy disk drive
C
Motherboard
D
Hard disk drive
E
COM1
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POST errors in the 17xx range generally indicate ()errors.
A.USBB.Floppy disk driveC.MotherboardD.Hard disk driveE.COM1
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When a teacher corrects the errors of his/her students,what measures shouldn’t ，he/she use at first?A.To give the students who makes error the first opportunity to correct it.
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When a teacher corrects the errors of his/her students,what measures shouldn’t ，he/she use at first?A.To give the students who makes error the first opportunity to correct it.
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N Company manufactures a kind of product used throughout the machinery industry.The standard price of the materials for the products is $ 6 per kilogram; the standard quantity of materials allowed per unit is 1.5 kilograms. During July, 2 000 units of the products were finished, for which 3 200 kilograms of materials were used at a total direct material cost of $ 18 560.
Requirment :
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C. Calculate the total direct material cost variance for July. Indicate whether it is favorable (F) or unfavorable (U).
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POST errors in the 17xx range generally indicate （）errors.A、USBB、Floppy disk driveC、MotherboardD、Hard disk driveE、COM1
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Which of the following options indicates why it is important to talk to the user and ask appropriate questions about a software problem? （）A、Software problems don't generate errors. B、The user is more knowledgeable about software. C、The system logs will provide useful information alone. D、Key information pertaining to the software may be uncovered.
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单选题Which of the following options indicates why it is important to talk to the user and ask appropriate questions about a software problem? （）A
Software problems don't generate errors. B
The user is more knowledgeable about software. C
The system logs will provide useful information alone. D
Key information pertaining to the software may be uncovered.
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单选题public class Test { public static void main（String [] args） { boolean assert = true； if（assert） { System.out.println（”assert is true”）； } } } Given： javac -source 1.3 Test.java What is the result？（）A
Compilation fails.B
Compilation succeeds with errors.C
Compilation succeeds with warnings.D
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单选题Which of the following will occur if a laptop SATA 1 drive is installed on a SATA 2 controller?（）A
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The drive will not work due to incompatibility.C
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单选题Telneting from any machine on the network is taking 75 seconds. Which of the following procedures should be checked to correct the error?（）A
Check /etc/hosts. B
Check /etc/resolv.conf. C
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Check to see if the master server is up.
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问答题Underline the sentence that provides a logical explanation for the early astronomers’ errors.
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