School of Computing / Skool vir Rekenaarkunde - Name

39 Data design at the component level focuses on the representation of ______.
1 database architecture
2 database services
3 data structures
4 networks
5 None of the above.
38
40 The software that is built for computer-based systems also exhibits one of many
architectural styles. Each style describes a system category that encompasses ______.
1 a set of components that perform a function required by a system
2 a set of connectors that enable "communication, coordination, and cooperation" to
take place among components.
3 constraints that define how components can be integrated to form the system
4 semantic models that enable a designer to understand the overall properties of a
system by analysing the known properties of its constituent parts
5 All of the above.
41 A data-centred architecture promotes ______.
1 integrability
2 integrity
3 undependability
4 accessibility
5 None of the above.
42 A data-flow architecture uses a(n) ______ structure.
1 ebb and flow
2 pipe and flow
3 pipe and filter
4 filter and flow
5 None of the above.
43 Within a layered architecture, a number of different layers are defined, each ______.
1 defining one single function
2 accomplishing operations that progressively become closer to the machine
instruction set
3 accomplishing operations that progressively become closer to the user interface set
4 accomplishing operations that progressively become closer to the application layer
5 None of the above.