AQA A2 Computing 7.1 Systems Analysis

Question 1

Feasibility study

Answer 1

a preliminary study investigating the potential of a new system by assessing the problem then evaluation potential solutions and their costs

Question 2

System

Answer 2

a collection of people, machines, methods, software, reports, input paper forms and documents organised to accomplish a set of specific functions

Question 3

Prototype

Answer 3

an early or trial working version of the proposed system developed to test possible solutions

Question 4

Prototyping

Answer 4

building a working model, demonstration system, simplified version, rough copy or trial piece of software to help the analyst

Question 5

Analysis data dictionary

Answer 5

a dictionary of the data that an end user will encounter. It should record the data item’s name, its pupose and its range of values