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Treat each of the questions individually and in the order given below. The focus of your answers should be on answering the 'why' questions posed below and your explanations for your recommendations. This is not a formal paper and APA guidelines do not need to be followed. You should identify the question you are answering and then provide your answer for that question.
§ Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why:
Printed questionnaires
Telephone survey
Bank checks
Retail tags
Long documents
§ Convenience and quality of output are important. Explain what method of output would be best for each of the following situations and explain why:
Hand held computer
Color photograph
Resume
Memorandum
Statistical report
Company annual report
§ Different types of storage devices are optimal for different situations. Explain what situations are appropriate for the following devices and explain why:
Hard disk
Thumb Drive
RAM
CD ROM
Tape
§ Explain the role of each of the following in determining the speed of a personal computer:
Clock speed
Data on hard disk
Data on CD ROM
Data on floppy disk
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. What percentage of the memory's total operating time must be given to refreshes?
Forking the child process
Assume two hosts A and B are connected via router R. A-R link has infinite bandwidth; A-R link has infinite bandwidth; draw curves for throughput, delay, and power, each as function of load.
Match the OS mechanisms on the left to the hardware support specific for each mechanism on the right.
Is the WWW changing users collectively or individually in profound or superficial ways?
Determine what security hole was exploited through criminal hackers to illegally access LexisNexis network, what method was employed. How did they turn a bad situatin into an opportunity to improve its reputation?
You now need to write a script for user maintenance. Write a script that will perform the following tasks: Prompt the system administrator for all valid input parameters
what are the four types of business ownership? describe each of them. your response should be at least 200 words in
What is the best operating system in the world, And which one is better: PS4 or Xbox One
most operating systems use a virtual memory manager vmm whose responsibility is to manage the relationship between the
Construct a Unix shell script to input number of hours worked and pay rate and compute the total pay, then the social security amount, then the net pay.
Fragmentation on a storage device could be eliminated by re-compaction of the information. Typical disk devices do not have relocation or base registers (such as are used when memory is to be compacted)
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