A user complains that her mobile device starts to exhibit slow performance after a couple of hours in the work day. As the day progresses, the problem worsens. If the user restarts the devices, it helps the performance, however, the device starts to run slow after several hours. Which of the following is the BEST action to troubleshooting this problem?
a. close applications that are unused
b. Reset tablet to factory default
c. Turn off cloud synchronization for calendar
d. Get a new battery for the device
Answer: a. close applications that are unused
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Answer the following statements true (T) or false (F)
1. Sampling helps accelerate the process by gathering selected data rather than all data for the entire population. 2. Data-gathering bias can be reduced by sampling. 3. When the systems analyst asks an opinion of a permanent feature of the installed information system, the executive interviewed may provide an unbiased evaluation since there is little possibility of changing it. 4. Stratification is the process of identifying sub populations (or strata) and then selecting objects or people for sampling within these sub populations.
Initialize nameage.dat with 100 records that store values lastName ="unassigned", firstName = "" and age = 0.
What will be an ideal response?
You can add a(n) _____ to a report.
A. clip-art image B. graphic you created using another program C. digital image D. all of the above
Böhm and Jacopini used a system they called ____ to describe their work.
A. UML B. flow diagrams C. data flow D. ER diagrams