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UGC-NET | UGC NET CS 2016 July – II | Question 41
  • Last Updated : 20 Apr, 2018

If S1 is total number of modules defined in the program architecture, S3 is the number of modules whose correct function depends on prior processing then the number of modules not dependent on prior processing is :
(A) 1 + (s3 / s1)
(B) 1 – (s3 / s1)
(C) 1 + (s1 / s3)
(D) 1 – (s1 / s3)


Answer: (B)

Explanation: S1 is total number of modules defined in the program architecture.
S2 is total number of modules whose correct function depends on the source of data input or that produces data to be used elsewhere.
S3 is the number of modules whose correct function depends on prior processing.
Program structure (D1) is defined as if architectural design was developed using a distinct method then D1 is 1 otherwise it is zero.
Module independence: D2 = 1 – (S2 / S1)
Module not dependent on prior processing: D3 = 1 – (S3 /S1)
So, option (B) is correct.

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