1 - Intro

Question 1

Give the 2 types of systems and their differences

Answer 1

1. Easy systems (one developer, user, experimental use) -> doesn’t scale up
2. Hard systems (multi developers, users, products)

Question 2

Which problem does software engineering principally manage ?

Answer 2

Complexity.

Question 3

Difference between CS and SE ?

Answer 3

CS: theory & fundamentals, algorithms, data structures, complexity

SE: practicalities, development of complex software products

Question 4

When was SE 1st introduced?

Answer 4

1968, during the ‘software crisis’ conference.

Question 5

3 types of software myths?

Answer 5

• Management: add more programmers if behind schedule
• Customer: general description of objectives enough to start coding
• Practitioner: task accomplished when program works

Question 6

Give the 4 activities of software processes ?

Answer 6

• Specification: constraints
• Development: production/implementation
• Validation: checking
• Evolution: changing acc to feedback

Question 7

Give the 3 process perspectives?

Answer 7

• Workflow perspective: I/O + dependencies
• Data flow perspective: data transformation activities
• Role/action perspective: rols/activities of the people involved in the software process

Question 8

Give 4 Generic process models ?

Answer 8

• Waterfall
• Evolutionary development
• Formal transformation
• Integration from reusable components

Question 9

C.A.S.E ?

Answer 9

Computer Aided Software Engineering:

• Early activities (requirement analysis, design) > upper case
• Later activities (programming, debugging, testing) > lower case

Question 10

Attributes of good software?

Answer 10

• Maintainability
• Dependability
• Efficiency
• Usability

Question 11

4 key challenges in SE in 21st century ?

Answer 11

• Legacy systems
• Heterogeneity
• Delivery
• Trust