Question

1. emoticon

any external device that provides input and output for the computer.
keyboard characters used in combination to produce whimsical symbols representing a range of emotions.
a quantity, defined by both magnitude and direction.
a software program that travels the web locating and indexing websites for search engines.

Explanation:

An emoticon is formed by combining keyboard characters to create symbols that convey emotions. For example, :-) represents a smile.

Answer:

Keyboard characters used in combination to produce whimsical symbols representing a range of emotions.