Open In App
Related Articles

ISRO | ISRO CS 2020 | Question 4

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Report issue
Report
What is the availability of the software with following reliability figures.
Mean Time Between Failures (MTBF) is 20 days
Mean Time To Repair (MTTR) is 20 hours 
(A) 90% (B) 96% (C) 24% (D) 50%

Answer: (B)

Explanation: Convert into the same unit then apply the formula. Software availability,
= MTBF / (MTBF + MTTR)
= 20*24 / (20*24 + 20)
= 480 / 500
= 0.96
= 96 %
Option (D) is correct.

Quiz of this Question

Last Updated : 27 Nov, 2020
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads