Chapter 1: Introduction Flashcards
1
Q
What factors impact the performance of software system?
A
- Response time
- Scalability
- Cost
2
Q
What is performance?
A
Performance refers to the response time or throughput as seen by the users
3
Q
What is response time?
A
Response time is the time required to respond to a request
4
Q
What is throughput?
A
The number of requests that can be processed in some specified time interval
5
Q
What is responsiveness?
A
Ability of a system to meet its objectives for response time or throughput.
6
Q
Is responsiveness objective?
A
Responsiveness is objective and subjective from user perspective
7
Q
What is scalability?
A
Ability of a system to continue to meet its response time or throughput objectives as the demand for functionality increases
8
Q
What is most serious consequence of performance failure?
A
Business failure
