The symbol (@), used to suppress error messages, is called ____.

a. suppression operator
c. null operator
b. error control operator
d. no_error operator

Answer: b. error control operator

Computer Science & Information Technology

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Windows dominates the market for operating systems at about ________ percent.

a. 65 b. 75 c. 85 d. 90

Computer Science & Information Technology

Excel treats all cells as _____ references, by default.

A. absolute B. fixed C. corresponding D. relative

Computer Science & Information Technology