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Spring 2018 > csci 387 quiz 1 > Flashcards

csci 387 quiz 1 Flashcards

1
Q

5 main categories for properties of good software

A

functionality concern, reliability concern, usability concern, portability concern, maintainability concern

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2
Q

the functionality concern pertains to

A

suitability, accuracy, interoperability, and security

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3
Q

the reliability concern pertains to

A

maturity, fault-tolerance, recoverability, performance, and resource utilization

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4
Q

the usability concern pertains to

A

understandability, attractiveness

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5
Q

the WaterFall Method steps

A 
requirements/analysis
design
coding
testing
maintenance
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6
Q

WaterFall advantages

A
  1. records
  2. client knows what to expect
  3. employee turnover yields minimal project impact
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7
Q

WaterFall disadvantages

A
  1. can’t go back
  2. faulty requirements lead to a doomed project
  3. error or change means you have to start from the beginning
  4. only tested at the end
  5. doesn’t account for client’s evolving needs
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8
Q

Spiral Lifecycle stages

A

identification of objectives, constraints, alternatives
risk analysis, its mitigation, and evaluation of alternatives
execution and testing
review progress, plan for next phase

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9
Q

Spiral Lifecycle advantages

A

high risk analysis leads to more risk avoidance, good for large and mission-critical projects, strong approval and documentation control, additional functionality can be added later, software produced early in software life cycle

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10
Q

Spiral Lifecycle disadvantages

A

costly, risk analysis requires specific expertise, success depends on risk analysis, doesn’t work well for smaller projects

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11
Q

Agile Manifesto values

A

individuals and interactions, working software, customer collaboration, responding to change

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12
Q

Agile Lifecycle emphasizes

A

test-driven development (TDD) to reduce mistakes

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13
Q

according to the agile manifesto, ? has/have the biggest impact on success (individuals and interactions over processes and tools)

A

people (strong individuals are stronger on a team)

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14
Q

simpler is (worse/better)

A

better

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15
Q

working software over comprehensive documentation

A

code should document itself, knowledge of code kept within team; produce no doc unless its need is immediate and significant

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16
Q

customer collaboration over contract negotiations

A

get regular customer feedback - use the contract to specify customer interaction

17
Q

responding to change over following a plan

A

plan will change, so keep the plan realistic (rough idea of timeline, requirements)

18
Q

Extreme Programming

A

one of the most well-known agile methods

  1. on-site customer (“user stories”)
  2. planning game (plan together, use abstract accounting)
  3. metaphors
  4. small releases (multiple iterations)
  5. testing (test before you code, unit tests, acceptance tests)
  6. simple design
  7. refactoring (regularly rewrite code)
  8. pair programming
  9. collective ownership (errors are the fault of the whole team)
  10. continuous integration
  11. coding standards
  12. sustainable pace
19
Q

SCRUM practices

A 
product and release backlog
story point
burn-down chart
velocity chart
SCRUM meeting
20
Q

product and release backlog

A

a list of features to be implemented in the project and when they should be finished by

21
Q

story point

A

easiest to compare/estimate time by reference; “one story point” would be the time it takes to complete the simplest task

22
Q

burn-down chart

A

estimated will be negative, linear line; divides up tasks by story points in sprints; is real burndown is above estimated, you are behind; below means ahead

23
Q

velocity chart

A

in each spring, how many story points we finished

24
Q

why do we subdivide problems/projects?

A

more productive; divide-and-conquer; decouple unrelated parts so each can evolve separately

25
Q

projection vs partitioning: explain projection

A

helps us understand the components in the context of their use, relative to other parts of the system; each component can be done individually; separation of concerns; shared interface (API)

26
Q

projection vs partitioning: explain partitioning

A

communication overhead, failure prone, “chain organization” (one link fails, whole project fails)

27
Q

benefits of projection

A

increase productivity, decrease amount of communication necessary, failure resilient, learn all aspects of code, ownership visibility, customer friendly, requirements traceability

28
Q

shared infrastructure

A

needs to be discovered; may be a relational database, data items, or “services”

29
Q

problem types

A
  1. transforming one virtual object to another
  2. modifying a virtual object
  3. automatically controlling behavior of a physical object
  4. manually controlling behavior of a physical object
  5. observing behavior of a physical object
30
Q

typical system requirements

A
  1. map input data to output data as said by given rules
  2. allow repository editing
  3. automatically control a physical object/device
  4. interactively control a physical object/device
  5. monitor and display information about an object

Spring 2018 (23 decks)

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