Question: Data was stored in the Digital PDP-9 computer using six-digit octal notation. Negative numbers were stored in 8s complement form. a. How many bits does

Data was stored in the Digital PDP-9 computer using six-digit octal notation. Negative numbers were stored in 8’s complement form.

a. How many bits does six-digit octal represent? Show that 8’s complement octal and 2’s complement binary are exactly equivalent.

b. What is the largest positive octal number that can be stored in this machine?

c. What does the number in (b) correspond to in decimal?

d. What is the largest possible negative number? Give your answer in both octal and decimal forms.

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