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Old 05-09-2003, 01:04 AM   #1
jmono
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digital electronic


hi
i need to compare two 4-bit numbers A and B, then with the less one put it in an ALU and add it 3 (0011)
but how can i choose the less one like an input to the ALU

i hope somebody understand my question

thanks in advance
 
Old 05-09-2003, 04:06 AM   #2
acid_kewpie
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please do not ask homework questions on this site, as a student it is your responsibility to solve these probelms by yourself. Please accept my appologies if this is not the case.

also please choose your forums more carefully, this is a programming question i guess, not a general discussion, which the general forum is designed for... moved to correct forum.
 
Old 05-09-2003, 08:45 AM   #3
jmono
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i donīt think that this is a programming question, it is a design question
i use the general section cause i didnīt see any other forum related

anyway
can anyone help me??
 
Old 05-09-2003, 12:32 PM   #4
Dark_Helmet
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Since this does sound like a computer engineering problem I encountered in one of my college courses, I won't give you a full answer. I will point you in the right direction though with a one-word clue:

multiplexer
 
Old 05-09-2003, 05:12 PM   #5
jmono
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yes, you are right

i already fixed that problem this morning with a 74ls157
thanks anyway
 
  


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