Software systems and their attributes

Question 1

Open Source

Answer 1

A computer program in which the source code is available to the general public for use and/or modification from its original design

Question 2

Proprietary

Answer 2

Owned by an individual or a company (usually the one that developed it). There are almost always major restrictions on its use, and its source code is almost always kept secret.

Question 3

Bespoke

Answer 3

Written for a customer’s specific need

Question 4

Off-the-Shelf

Answer 4

Software products that are ready-made and available for sale to the general public

Question 5

Expert System

Answer 5

rule-based, specific systems that are designed to reproduce the role of a human expert.
Must have three components: Knowledge base, Inference engine and User Interface