The File class provides methods for file read and write operations.
Answer the following statement true (T) or false (F)
False
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Trivial expressions will always evaluate to the same result.
Answer the following statement true (T) or false (F)
When connections are being refreshed in a workbook the status bar displays the message running a ________ query
Fill in the blank(s) with correct word
A processor executes all non?branch instructions in one cycle. This processor implements branch prediction, which incurs an additional penalty of 2 cycles if the prediction is correct and 4 cycles if the prediction is incorrect.
a. If conditional branch instructions occupy 15% of the instruction stream, and the probability of an incorrect branch prediction is 20%, what is the average number of cycles per instruction? b. If the same processor is to run no less than 28% slower than a machine with a zero branch penalty when up to 20% of the instructions are conditional branches, what level of accuracy must the branch prediction achieve on average?