Which of the following has the highest order of precedence in arithmetic expressions?
a. Multiplication and division
b. Addition and subtraction
c. Exponentiation (the ^ operator)
d. None of the above; calculations are always evaluated from left to right.
c. Exponentiation (the ^ operator)
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Which of the following will not help prevent infinite loops?
a. Include braces around the statements in a do...while statement. b. Ensure that the header of a for or while statement is not followed by a semicolon. c. If the loop is counter-controlled, the body of the loop should increment or decrement the counter as needed. d. If the loop is sentinel-controlled, ensure that the sentinel value is input eventually.
If the variable Hours = 10, what is the value of the variable Salary after the following instruction has been executed: Set Salary = Hours * 8
a. 10 b. 8 c. 80 d. cannot tell from the information given
Explain the touch metaphor in detail, and explain what changed about computing.
What will be an ideal response?
Compute the diagonal distance between opposite corners of a square 1-foot on a side.
What will be an ideal response?