posted 16 years ago
Dear friends..

Please help me out regarding the following questions, and if you can please send me the answers.

Thanking you from the heart

(A) Data was stored in the Digital PDP-9 computer using

six-digit octal notation.

1. What is the largest positive octal number

that can be stored in this machine?

2. What does the number in (1) correspond to

in decimal?

3. What is the largest possible negative

number? Give your answer in both octal and decimal

form.

(B) Find the 16-bit 2's complementary binary

representation for the decimal number 1987.

(C) Find the 16-bit 2's complementary binary

representation for the decimal number -1987.