University of Nevada, Reno
CS 219
a. Onthe IAS, what would the machine code instruction look like to load the contents of
memory address 2 to the accumulator?
b. How many trips to memory does the CPU need to make to complete this instruction
during the instruction cycle?
1.3
On the IAS, describe in English the process that the CPU must undertake to read a value
from memory and to w
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University of Nevada, Reno
CS 219
a. Onthe IAS, what would the machine code instruction look like to load the contents of
memory address 2 to the accumulator?
b. How many trips to memory does the CPU need to make to complete this instruction
during the instruction cycle?
1.3
On the IAS, describe in English the process that the CPU must undertake to read a value
from memory and to write a value to memory in terms of what is put into the MAR, MBR,
address bus, data bus, and control bus.
1.4
Given the memory contents of the IAS computer shown below,
Address Contents
08A 010FA210FB
08B 010FA0F08D
08C 020FA210FB
Show the assembly language code for the program, starting at address 08A. Explain
what this program does.
1.6 Perform the following conversions:
Convert hexadecimal to binary
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