Software engineering

Software engineering

The systematic application of scientific principles and disciplines to the development, operation, and maintenance of software to perform prespecified functions with maximum economy and efficiency.

Industry: Computer; Software

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Software engineering

Entity-relationship (E-R) diagram

Computer; Software engineering

A diagram that depicts a set of real-world entities and the logical relationships among them.

Data structure diagram

Computer; Software engineering

A diagram that depicts a set of data elements, their attributes, and the logical relationships among them.

Entity-relationship map

Computer; Software engineering

A diagram that depicts a set of real-world entities and the logical relationships among them.

Simulator

Computer; Software engineering

A device, computer program, or system that behaves or operates like a given system when provided a set of controlled inputs.

Specification tree

Computer; Software engineering

A diagram that depicts all of the specifications for a given system and shows their relationships to one another.

Nonprocedural language

Computer; Software engineering

A language in which the user states what is to be achieved without having to state specific instructions that the computer must execute in a given sequence.

Machine language

Computer; Software engineering

A language that can be recognised by the processing unit of a computer. Such a language usually consists of patterns of 1s and Os, with no symbolic naming of operations or addresses.