181. Which property of a sociotechnical system varies depending on how the component assemblies are arranged and connected ?

A. security
B. usability
C. volume
D. reliability

182. In a sociotechnical system, you need to consider reliability from perspectives namely ?

A. only software reliability
B. only hardware reliability
C. hardware and software reliability
D. hardware, software and operator reliability

183. Sociotechnical systems are deterministic ?

A. True
B. False

184. Human and organizational factors such as organizational structure and politics have a significant effect on the operation of sociotechnical systems ?

A. True
B. False

185. Maintenance is classified into how many categories ?

A. two
B. three
C. four
D. five

186. How many phases are there in Taute Maintenance Model ?

A. six
B. seven
C. eight
D. nine

187. What are the two ways to view the human error of a sociotechnical system ?

A. hardware and software approach
B. management and users approach
C. person and systems approach
D. all of the mentioned

188. Software Maintenance includes ?

A. Error corrections
B. Enhancements of capabilities
C. Deletion of obsolete capabilities
D. All of the mentioned

189. The modification of the software to match changes in the ever changing environment, falls under which category of software maintenance ?

A. Corrective
B. Adaptive
C. Perfective
D. Preventive

190. Selective retest techniques may be more economical than the “retest-all”technique.How many selective retest techniques are there?

A. two
B. three
C. four
D. five