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ICLICKER QUESTIONS AND ANSWERS
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ICLICKER QUESTIONS AND ANSWERS
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ICLICKER QUESTIONS AND ANSWERSHow does the Direct Memory Access Controller inform the CPU that it has finished
transferring a clock of information
A. CPU senses it automatically.
B. CPU keeps polling the DMA Controller.
C. It sends an Interrupt request.
D. The DMA controller becomes the CPU. - Answers -C. It sends an Interrupt request.
A Device Driver is the same thing as a Device Controller.
A. No, but it is enough to use just one of the two.
B. The Device Driver is software while the Device Controller is hardware.
C. The Device Driver is hardware while the Device Controller is software.
D. Yes, everyone knows that. - Answers -B. The Device Driver is software while the
Device Controller is hardware.
How many Megabytes are there in a Terabyte?
A. 1 TB = 1,000 MB
B. 1 TB = 10,000 MB
C. 1 TB = 1,000,000 MB
D. do we really need to know that? - Answers -C. 1 TB = 1,000,000 MB
You need multiple processors to allow multiprogramming.
A. True, obviously
B. Only if the processors are not powerful enough
C. Not really.
D. Not sure - Answers -C. Not really.
What does the following Linux shell command do? (assuming System% is the system
prompt)
System% ps
A. Repeat the previous command
B. Persons who are logged on the system
C. List of processes
D. Print the list of services - Answers -C. List of processes
What is POSIX?
A. The complete set of Portable Operating Systems device driver components.
B. An IEEE standard for Graphical User Interfaces
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