In the first phase of the program development cycle you should:

a. make a hierarchy chart
b. identify all the variables needed
c. identify the desired results
d. identify appropriate test data


C

Computer Science & Information Technology

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A user wants to charge a smartphone by plugging it into a USB hub used by a keyboard and a mouse. Which of the following issues would prevent this from working?

a. Hub is self-powered b. Hub is bus-powered c. Smartphone not compatible with USB charging d. None of the above.

Computer Science & Information Technology

You can use the ____ command in enable mode to retrieve the statistics that CDP will report on the local router's interfaces.

A. show cdp running B. show cdp startup C. show cdp config D. show cdp interface

Computer Science & Information Technology

What important benefit of virtualization provides significant cost savings in utility usage?

A. Hardware expansion B. Power savings C. Network security D. System security

Computer Science & Information Technology

Which file extension indicates a Word document?

a..docx b..rtf c..txt d..wrd

Computer Science & Information Technology