Portable barcode readers are always used in point-of-sale (POS) systems.

The total zoom available on a camera is determined by digital zoom ________ optical zoom

A) divided by B) multiplied by C) added to D) subtracted from

Match the SQL clause with its description

I. SELECT II. TOP III. FROM IV. ORDER BY V. UNION A. Used to sort a field B. Lists the fields the query should display C. Used to combine two or more similar select queries D. Selects the highest values of the next field listed E. Lists the table or tables the query fields are from