2 votes 2 votes A DMA module is transferring characters to memory using cycle stealing, from a device transmitting at 12800 bits per second.The processor is fetching instructions at the rate of 2MIPS. By how much % the processor be slowed down due to DMA activity? Parshu gate asked Jan 2, 2018 Parshu gate 1.7k views answer comment Share Follow See 1 comment See all 1 1 comment reply Avdhesh Singh Rana commented Jan 2, 2018 reply Follow Share How much data is to be transferred? 0 votes 0 votes Please log in or register to add a comment.
2 votes 2 votes 1) assuming 1 character = 8 bit Number of character 1600 In cycle s stealing mode 1 byte per transfer 1600 bytes in 1 second 1 byte in 625 micro second. 2 MIPS so time for single instructions fetch 0.5 micro second So involment of processor will be 0.5 0.5/625 = 0.08% Tesla! answered Jan 2, 2018 Tesla! comment Share Follow See all 0 reply Please log in or register to add a comment.