CMP220 Exam 3 B
Spring 1998
25 pts
  1. Discuss how to microcode a machine to implement the jump positive macrocode instruction.


    2. 25 pts

  2. Given a 3 page memory show how many pages had to be read from memory with this sequence of page references under FIFO and LRU, also what pages are in memory at the end: 1,2,3,2,1,4,1,3,4,1


    3. 25 pts

  3. Describe 4 threads that might be written in a word processor (like Microsoft word).


    4. 30 pts

  4. Design a circuit that implements a 3 bit register that when the right shift signal is on right shifts the register's contents. (right shift means 4 becomes 2)