A(n) ______________ rating of 150,000 hours means that, on average, a device could function for 150,000 hours before failing. (Hint: Use the acronym.)

If you want to force a mathematical operation in a formula to be performed in a different order in Excel, ________ can be used

A) { } B) | | C) ( ) D) [ ]

Which statement is true?

a) || is the bitwise or operator, b) | is the logical or operator c) Operators || and | are interchangeable. d) || and | are each binary operators.