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Question: 1 given the unsigned 8bit binary numbers a 1010...

Question details

1) Given the unsigned 8-bit binary numbers A = 1010 1110 and B = 1001 0101, compute A+B and determine whether there is overflow. If there is overflow, explain why. If not, then explain why not.

2) What is -48 mod 13?

3) In a Caesar Cipher system, if encryption is done by the rule c = E(p+k) = p + 9, then the letter ‘q’ is encrypted as what other letter?

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