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# Assignment No. 4 has been uploaded on VU-LMS. You are directed to follow the instructions given in the assignment file and submit the solution on VU-LMS till Tuesday, 31 January, 2017.

 Assignment No. 04                         Semester: Fall 2016 CS605: Software Engineering II Total Marks: 10   Due Date: 31/1/2017 Instructions: Please read the following instructions carefully before submitting assignment: You need to use MS word document to prepare and submit the assignment on VU-LMS. It should be clear that your assignment will not get any credit if:   The assignment is submitted after due date. The assignment is not in the required format (.doc or docx) The submitted assignment does not open or file is corrupt. Assignment is copied(partial or full) from any source (websites, forums, students, etc)       Objective:   The objective of this assignment is to learn about: Software Reviews Software Reliability Assignment

Question No. 1

Suppose for a certain project Preliminary design generated 12 defects which were passed on to detailed design. Now at detailed design phase, 6 defects were passed on to the next stage and 6 were amplified at a ratio of 1:1.5. In addition, there were 20 new defects introduced at this (detailed design) stage. Calculate how many defects were passed to next stage by detailed design stage?

Suppose zero percent (0%) defect removal efficiency at each stage.

 Defects passed to next stage by detailed design stage Calculation Result

Question No. 2

For a certain application

MTTF = 60

MTTR = 5

Calculate the “availability” of the application.

 Availability Calculation Result

Best of Luck!

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### Replies to This Discussion

bri mzy ki assignment hy

2 question
MTTF = 60
MTTR = 5

Calculate the “availability”=?
avaiabality=MTTF/MTBF)*100
MTBF=MTTF+MTTR
60+5=65
NOW PUT THIS IN FORMULA
60/65)*100
92.30

question no 2 from chapter no 30

question no 1 from lec 28

Question 1

Preliminary design  0+0+10=12

Detailed design6+6*1.5+20=35

unit testing12+23*3+20=91

Integration testing72+0+0=72

Validate testing36+0+0=36

System testing18 +0+0=18

9 passed

cs605

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i think calculation me mistake he check kro dobra

kha pe ap btao

unit testing12+23*3+20=91
y 101 ay ga

oh calculation man mistak ho gi si

calculation man koi mistk o gi bt methrd thk hy ap log dakh liye ga kud se b ak bar

0+0+10= 12
How

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