Computer Communication and Network

RBSE Solutions for Class 9 Information Technology Chapter 3 Computer Communication and Network Rajasthan Board RBSE Class 9 Information Technology Chapter 3 Computer Communication and Network TEXTBOOK QUESTIONS SOLVED I. Multiple Choice Questions Question 1. Which one is the oldest one and mostly used device in communication medium- (a) Coaxial cable (b) Optical Fiber (c) Twisted pair (d) None … Read more