1. If a CPU uses polling to retrieve data from an I/O device it must always check and then reset the _______ ______ after retrieving the data.

2. If you encode the signed integer -5 into an 8 bit binary word and then shift the bits to the right by two places. And wrap the bits (that fall off on the right) around to the left side of the word what value to your get.

3. What is the value of the following 1's complement integer? 1101 11014

4. The LMC the value 7 is stored at address location 44? What instruction subtracts 7 from the accumulator.

5. What is value of the 2's complement integer 1001?

6. In a typical parallel buss architecture there are 3 busses. Name all of them