You should use the ____ method to close a sequential access file as soon as you are finished using it.
A. Exit
B. Close
C. End
D. Quit
Answer: B
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Write a function to change the frequency of a sound 10 times—five times lower than the original frequency, and five times higher.
Note: The function does not specify the amount to change the frequency by, therefore shifting it by any amount between one and zero five times then any amount greater than one five times will work. The easiest way to do this is to make use of the “halve” and “double” functions from this chapter. However, this will be very slow.
A(n) ________ is a visual plan of a presentation that helps in planning the direction of your presentation
Fill in the blank(s) with correct word
When designing a questionnaire, the most important rule of all is to make sure that questions collect the right data in a form that can be used to further the fact-finding effort.
Answer the following statement true (T) or false (F)
The primary advantage of a bipolar scheme is that when all the voltages are added together after a long transmission, there should be a total voltage of ____.?
A. ?-2 B. ?-1 C. ?0 D. ?1