Computer Reliability Flashcards
1
Q
Does a computer always give the correct answer?
A
- No
2
Q
Canada’s worst IT disaster
A
- Therac-25
- Three deaths
3
Q
Data reliability assessment
A
- Assessments of reliability made in the broader context of the particular characteristics of your research project and the risk associated with the possibility of using insufficiently reliable data
4
Q
Corroborating evidence in a data reliability assessment
A
- This refers to independent evidence that supports information in a database or derived from one. Such evidence, if available, can be found in alternative databases or expert views. Corroborating evidence is unique to each review, and its strength - or persuasiveness - varies.
5
Q
Risk-level assessment of data
A
- Risk is the likelihood that using data of questionable reliability could have substantial negative consequences on the decisions of policymakers and others. To do a risk assessment, consider the following risk conditions, in which the data
6
Q
Data testing:
A
- Can be done by applying logical tests to electronic data files or paper copies of reports, looking for inconsistencies in the data.
7
Q
Billing errors in computer systems are caused by:
A
- Complex systems.
- Operator error.
8
Q
Store price accuracy
A
- Up to 10% in error
9
Q
Free and open source software
A
- Freeware
- Shareware
- Open source
10
Q
Software copyright
A
- Proprietary software
- Free and open source software
