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ALGOL – A family of programming languages developed in 1958 by a committee of European and American computer scientists.

Algorithm – A set of rules or a description of steps to be followed in problem-solving operations. Examples of algorithms used in computer science are sorting and searching algorithms.

Analog – Using signals or information represented by continuously changing a physical quantity, such as the voltage or spatial position.

Application – A computer program that is designed for a particular purpose.

Arithmetic – A branch of mathematics dealing with the properties and manipulation of numbers.

Arithmetic overflow/underflow – The result of a calculation that exceeds the memory space designated to hold the result.

Array type – A data type that represents a collection of elements that can be selected by the use of indices.

ASCII-table – A character-encoding standard that uses numbers to represent...