The number of variables on the right side of a method’s formula determines the number of ____ required.
A. statements
B. parameters
C. definitions
D. method calls
Answer: B
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____ files are usually stored on a different storage medium than the original files.
A. Restored B. Backup C. Private D. Corrupted
When you search through a list from one end to the other, you are performing a ____ search.
A. linear B. binary C. quick D. Google
The ____ constant instructs PHP to append data to any existing contents in a specified filename instead of overwriting it.
A. FILE_APPEND B. FILE_ADD C. FILE_INCLUDE D. APPEND_TO_FILE
A computer spends 80% of its time executing user?code and 20% of its time performing input/output operations. If you regard I/O as an unnecessary overhead, the efficiency of the computer is 80/(80 + 20) = 80%. Suppose that CPU performance is increasing at a compound rate of 40% per year and that the performance of I/O systems is increasing at a compound rate of 10% per year. In another two years, a new computer can be bought with both faster processing power and I/O performance. How efficient would the new computer be in two years’ time?
What will be an ideal response?