Discussion
Number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self-connection is
Answer: B
Correct answer: 45
A full-duplex line serves both directions, and no station connects to itself, so the number of connections is the number of unordered pairs:
\[ \binom{10}{2} = \frac{10\times 9}{2} = 45 \]
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development