software architecture

Question 1

architecture

Answer 1

set of structures needed to reason about the system

Question 2

in which four ways can we describe architecture

Answer 2

formal notations; mathematical
architecture description languages; e.g. backus naur form
box and line
ball and socket; semiformal development of box and line

Question 3

what are the 3 steps in architectural design

Answer 3

structuring the system into key components and the communication between them
control modelling to organise the system
modular decomposition of sub systems

Question 4

what are the 4 steps we take to identify sub systems and their interfaces

Answer 4

identify major functions the system should provide
group together similar functions to get bigger sub systems
can decompose these further
specify interfaces

Question 5

what should subsystem and component interface descriptions include

Answer 5

a name
operations within it
exception handlers
non-functional properties

Question 6

ball in ball and socket

Answer 6

provided
provides a service
does the processing

Question 7

socket in ball and socket

Answer 7

required
service user/caller