Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 24 (Q.No. 39)
39.
A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is
16
15
8
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Archana keshri said:   10 years ago
Then what is the use of other information which is given?

Mani kumar said:   1 decade ago
Total paths required is 16 no of intermediate paths are 15 i.e; except considered path all are intermediate.

To avoid blocking all input's should have output path.

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