Which of the following examples is the result of mining raw data to produce useful information?
A) An Excel spreadsheet listing all employees and their annual salaries in a random order
B) Netflix providing you with a list of videos you might enjoy
C) A printout of all sales taken from the register at the end of the day
D) Raw data from questionnaires given at the mall
B
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Which of the following represent threats to data?
A) it can be copied without your knowledge B) it can be stolen and removed from your possession C) some of it can be destroyed or altered subtly D) all of the above
Define network. What is required to connect to a network?
What will be an ideal response?
The system unit on most personal computers contains at least one hard disk, sometimes called an internal hard disk because it is not portable.
Answer the following statement true (T) or false (F)
Which of the following statements about unary expressions is true?
A. The sizeof operator requires a parenthetical expression as its operand. B. The unary plus operator does not change the value of the expression. C. The unary minus operator subtracts one from the operand value. D. The unary minus operator has a side effect.