ENEE 350 Midterm: Exam 1
3 Mar 2014
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1 (25 points) answer parts a. and b. separately: (20 points) match the answers to the statement by placing on the blank line next to the statement the. _ letter associated with the answer that best describes the statement. "(i{) separated i/o (1) cycle stealing (m) cpu (n) dma (0) none of the above. C used by il9_ci~vices to cause the cpu to execute a service program on their behalf. I::. receives request signals and issues grant signals to transfer control of the shared resource. J a hardware inserted subroutine call that occurs in synchronism with the executing program. ~ uses handshaking signals to synchronize the transfer of data. ~ requires that the cpu have i/o instructions to activate lor and low bus signals that cause device registers at the appropriate addresses to respond. r. ~ is always a bus slave during a data transfer. H used by the mac-1 computer in the microarchitecture notes to perform i/o.
