[24hoursupport] Binary, Octal, and Hex help needed! :)

  • From: Lpagsugu@xxxxxxx
  • To: 24hoursupport@xxxxxxxxxxxxx
  • Date: Fri, 3 May 2002 21:47:11 EDT

Hi, I'm really confused about two's complement and octal.  

1.)  In two's complement, how can using the opposite and adding one change a 
number into the negative?  

2.)  If octal 7 is 111 in binary, what is 8 and 9?

I have some sample problems and I'll show you my answers for some of them.  
Please let me know if I'm on the right track or not.  Thanks!

a.)  
Decimal: 37
Binary: 100101
Octal: 45
Hex: 25

b.)
Decimal: -8
Binary: 1000
Octal: 1
Hex: 8

c.) 
Decimal: 10
Binary: 1010
Octal: 12
Hex: A

d.) 
Decimal: -53
Binary: 001011
Octal: 13
Hex: B

Thank you again for your help!
Lene
















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