Write down the 8 character string "Columbia" as eight bytes of binary using the ASCII encoding scheme

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

1.  (10 points) What is the minimum number bits required to express cell addresses for each of the following memory sizes?

a. 1 million bytes
b. 8 billion bytes

2. (10 points) Look up the ASCII character encoding scheme online and do the following exercises.
a. Write down the 8 character string "Columbia" as eight bytes of binary using the ASCII encoding scheme.
b. Now add an odd parity bit to the front of each byte above turning the representation into eight 9-bit patterns instead of eight bytes.

9. (20 points) Describe each of the four subsystems of the Von Neumann Architecture. (2-3 sentences each should be fine)

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