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Questions in computers-and-technology

[Done] Assistive technology to engage in desired tasks should be: A. A last resort because it is always costly B. The only type of adaptation considered C. Considered for any task analysis

[Done] Consider the following set of processes, the length of the CPU burst time given in milliseconds. Process | Burst time P1 | 6 P2 | 8 P3 | 7 P4 | 3 Assuming the above process being scheduled with the SJF scheduling algorithm, what is the waiting time for process P1? A. 16 ms B. 9 ms C. 0 ms D. 3 ms

[Done] Which of the following is a coding challenge resulting from using EHR and other practice management systems? A. Lack of coding conventions B. Use of free text boxes C. Add-on codes not included D. Modifiers unable to be appended

[Done] The portion of the process scheduler in an operating system that dispatches processes is concerned with A. Assigning jobs to RAM B. Assigning running processes to blocked queue C. Assigning ready processes to waiting queue D. Assigning ready processes to CPU

[Done] Is task analysis a way of analyzing if the task is useful for a person to learn? A. True B. False

[Done] What should you do next if your internet search results include more than 5 million links? A. Broaden your research question. B. Look at most of the links you found. C. Narrow your research question. D. Choose a better topic to research.

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] This code from the Polling case study polls.select_dtypes('object').head() date_cols = ['startdate','enddate'] polls[date_cols] = polls[date_cols].apply(pd.to_datetime) a. selects the columns with the object data type and converts two of them to the datetime data type b. selects the columns with the object data type and converts one of them to the datetime data type c. displays the columns with the object data type and converts two of them to the datetime data type d. displays the columns with the object data type and converts one of them to the datetime data type

[Done] What is the best definition of technology? A. Technology is replacing human workers with mechanical or electronic devices. B. Technology is applying scientific knowledge to find answers and fix problems. C. Technology is using fewer resources to manufacture goods more efficiently. D. Technology is hiring workers from all over the world to manufacture goods.

[Done] This code from the Polling case study polls['gap'] = polls.clinton_pct - polls.trump_pct polls['state_gap'] = polls.groupby('state').gap.transform(func='mean') polls['swing'] = (polls.state != "U.S.") & (abs(polls.state_gap) < 7) a. adds a swing column that is True or False depending on whether: b. the absolute value of the difference between the Clinton and Trump percents for the state is less than 7 c. the absolute value of the average difference between the Clinton and Trump percents for the state is less than 7 d. the absolute value of the difference between the Clinton and Trump percents is less than 7 e. the absolute value of the average difference between the Clinton and Trump percents is less than 7 13. This code from the Polling case study polls['gap'] = polls.clinton_pct - polls.trump_pct g = sns.relplot(data=polls.query('state==["Michigan", "Florida"] & enddate > "2016-09"'), kind="line", x='enddate', y='gap', ci=None, col='state', col_wrap=2) creates a line plot for two states that: a. shows how the Clinton and Trump percents changed over time b. displays one subplot for each state that shows how the Clinton and Trump percents changed over time c. shows how the gap between the Clinton and Trump percents changed over time d. displays one subplot for each state that shows how the gap between the Clinton and Trump percents changed over time