When trying to improve performance of a slow system, you notice in Task Manager that the superfetch service is using a high percentage of CPU time. What is your next best step?
a. Disable superfetch to improve performance.
b. Update Windows to improve superfetch performance.
c. Superfetch is an essential Windows process and should not be disabled. Move on to other solutions to improve performance.
d. Ask the user if he uses the superfetch service. If he doesn't, uninstall it.
Answer: a. Disable superfetch to improve performance.
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A XAML document has exactly one ______
a) root element b) start tag c) end tag d) child element
Drivers are concerned with the mileage obtained by their automobiles. One driver has kept track of several trips by recording miles driven and gallons used for each trip. Develop a C++ program that uses a while statement to input the miles driven and gallons used for each trip. The program should calculate and display the miles per gallon obtained for each trip and print the combined miles per gallon obtained for all tankfuls up to this point.
a) Read the problem statement. b) Formulate the algorithm using pseudocode and top-down, stepwise refinement. c) Write a C++ program. d) Test, debug and execute the C++ program. ``` Enter miles driven (-1 to quit): 287 Enter gallons used: 13 MPG this trip: 22.076923 Total MPG: 22.076923 Enter miles driven (-1 to quit): 200 Enter gallons used: 10 MPG this trip: 20.000000 Total MPG: 21.173913 Enter the miles driven (-1 to quit): 120 Enter gallons used: 5 MPG this trip: 24.000000 Total MPG: 21.678571 Enter the miles used (-1 to quit): -1 ```
For C++ programs, why is the stack an important part of the RAM?
What will be an ideal response?
A technician servicing a user's computer notices the user has a lot of desktop icons linking to inappropriate websites. Which of the following should the technician do NEXT?
A. Report through proper channels B. Track the evidence C. Document all changes to the computer D. Preserve the data and device