A(n) ____________________ is an input device that uses laser beams to read bar codes on products.
Fill in the blank(s) with the appropriate word(s).
bar code reader
Computer Science & Information Technology
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A ____ is a credit card-sized plastic token that has a special machine-readable key embedded in its surface.
A. smart card B. chip card C. magnetic card D. hybrid card
Computer Science & Information Technology
When a pointer variable has the indirection operator in front of it (like *x_ptr), what does this order tell the program?
What will be an ideal response?
Computer Science & Information Technology
Which of the following devices is NOT used to create separate collision domains for each interface in an Ethernet network?
A) Hub B) Router C) Bridge D) Switch
Computer Science & Information Technology
A dot matrix printer uses a replaceable printhead
Indicate whether the statement is true or false
Computer Science & Information Technology