Lecture 8 check lecture slides again

Question 1

What are the user’s perspectives on software quality?

Answer 1

Users judge external characteristics (e.g. correct functionality, number of failures etc)

Question 2

What are the developer’s perspectives on software quality?

Answer 2

Developers judge internal characteristics (e.g. types of faults)

Question 3

What are some software quality attributes

Answer 3

Security
Reliability
Usability
Efficiency

Question 4

What is software process improvement?

Answer 4

Process improvement means understanding existing processes and changing these processes to increase product quality and/or reduce costs and development time

Question 5

What is the software improvement

cycle?

Answer 5

Measure
Change
Analyze

Question 6

What is software Measure?

Answer 6

A software measure is the quantitative indication of the extent, amount, dimension or size of some attributes of a product or process

It is, typically, a single data point, e.g., 1118 lines of code

Question 7

What is a software Metric?

Answer 7

A software metric represents the degree to which a system, component or process, possesses a given attribute

Typically connects a few measures, e.g. the average number of errors found per person hour

Question 8

What do metrics provide?

Answer 8

A combination of metrics can provide insight into the quality of software process, project or product

Question 9

Advantage of software process improvement?

Answer 9

Reduced costs

Accelerated development process