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,NF3705 Assignment 2 (COM
Explain how advances in technology can force a software
subsystem to undergo
change or risk becoming useless.
Question 2 [15]
What are the strategic options for legacy system evolution?
When would you normally
replace all or part of a system rather than continue
maintenance of the software?
Question 3 [15]
Explain why it is reasonable to assume that the use of
dependable processes will lead
to the creation of dependable software
Question 4 [10]
What is the common characteristic of all architectural styles
that are geared to
supporting software fault tolerance?
Question 5 [15]
List four types of systems that may require software safety
cases, explaining why
safety cases are required.
, Question 6 [10]
How does the base application’s design in th
Question 1 [15]
How Advances in Technology Can Force a Software Subsystem
to Undergo Change or Risk Becoming Useless
Technological advancements occur rapidly, influencing the
lifecycle of software subsystems. When technology evolves,
software that fails to adapt can quickly become obsolete. The
following factors explain this phenomenon:
1. Hardware Evolution
o New hardware platforms (e.g., modern CPUs, GPUs,
or mobile devices) may not support older software.
o Example: Software designed for 32-bit architecture
may fail on newer 64-bit systems without updates.
2. Operating System (OS) Updates
o Operating systems introduce new features, security
protocols, and APIs.
o Legacy subsystems that rely on outdated OS services
may stop functioning.
3. Changing User Requirements
,NF3705 Assignment 2 (COM
Explain how advances in technology can force a software
subsystem to undergo
change or risk becoming useless.
Question 2 [15]
What are the strategic options for legacy system evolution?
When would you normally
replace all or part of a system rather than continue
maintenance of the software?
Question 3 [15]
Explain why it is reasonable to assume that the use of
dependable processes will lead
to the creation of dependable software
Question 4 [10]
What is the common characteristic of all architectural styles
that are geared to
supporting software fault tolerance?
Question 5 [15]
List four types of systems that may require software safety
cases, explaining why
safety cases are required.
, Question 6 [10]
How does the base application’s design in th
Question 1 [15]
How Advances in Technology Can Force a Software Subsystem
to Undergo Change or Risk Becoming Useless
Technological advancements occur rapidly, influencing the
lifecycle of software subsystems. When technology evolves,
software that fails to adapt can quickly become obsolete. The
following factors explain this phenomenon:
1. Hardware Evolution
o New hardware platforms (e.g., modern CPUs, GPUs,
or mobile devices) may not support older software.
o Example: Software designed for 32-bit architecture
may fail on newer 64-bit systems without updates.
2. Operating System (OS) Updates
o Operating systems introduce new features, security
protocols, and APIs.
o Legacy subsystems that rely on outdated OS services
may stop functioning.
3. Changing User Requirements
