What is a barcode reader and how are they typically connected to a computer?

What will be an ideal response?

A barcode reader is used to scan barcodes on products at the point of sale (POS) or when taking inventory. The reader might use a wireless connection, a serial port, a USB port, or a keyboard port.

Computer Science & Information Technology

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The ____ clause of SQL is used to arrange the records in either ascending (the default) or descending order by one or more fields.

A. ORDER BY B. SORT C. LIKE D. WHERE

Computer Science & Information Technology

There are thousands of predefined classes that come with Java.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology