Q4. a) TDMA transmission is non continuous for a user. Discuss whether this statement is correct and provide justification for your answer. b) In a Time Division Multiple Access (TDMA) scheme there are twelve time slots, ana each time slot contains 128 bits, and data is transmitted at a rate of 10Mbits/sec.in the channel, determine i. The time bit duration To; ii. The time duration of a slot; and The time duration of a frame. c) Multiple Access methods allow many users to share the limited available channels to provide the successful Communications services. i) Compare the performances the multiple access schemes TDMA,FDMA and CDMA and; ii) List any two applications for each of these multiple access methods and provide your reflection on how this multiple access schemes could outfit to the stated applications