Did i do this k-map right?

  • Thread starter mr_coffee
  • Start date
  • #1
mr_coffee
1,629
1
Hello everyone, here is my k-map of the truth table for prime numbers, if its a prime number it should output 1. I have the truth table and k-map in this picture:
http://img226.imageshack.us/img226/568/jiji4uh.jpg [Broken]
Thanks.
 
Last edited by a moderator:

Answers and Replies

  • #2
Janus
Staff Emeritus
Science Advisor
Insights Author
Gold Member
3,748
1,712
There is a problem with the third term of your answer.
 
  • #3
Kenneth Mann
424
3
I can't read your figure.

KM
 
  • #4
mr_coffee
1,629
1
sorry here is the picture bigger! i don't see how my third term is wrong? http://img132.imageshack.us/img132/9960/lastscan2rz.jpg [Broken]
 
Last edited by a moderator:
  • #5
Janus
Staff Emeritus
Science Advisor
Insights Author
Gold Member
3,748
1,712
mr_coffee said:
sorry here is the picture bigger! i don't see how my third term is wrong? http://img132.imageshack.us/img132/9960/lastscan2rz.jpg [Broken]

you looped `A`BCD and A`BCD, so how did you end up with A`BCD?
 
Last edited by a moderator:
  • #6
mr_coffee
1,629
1
hm...I only looped A'B & CD so i got A'BCD
 
  • #7
mr_coffee
1,629
1
ohhh i see where i ****ed up, sorry! my friend pointed it out also! too much coffee or somthing. :)
 
  • #8
Dude
6
0
reply

mr_coffee said:
Hello everyone, here is my k-map of the truth table for prime numbers, if its a prime number it should output 1. I have the truth table and k-map in this picture:
http://img226.imageshack.us/img226/568/jiji4uh.jpg [Broken]
Thanks.
Hello Mr Coffe...i find some mistake in the third term...it would be B'CD but not AB'CD...
 
Last edited by a moderator:

Suggested for: Did i do this k-map right?

  • Last Post
Replies
11
Views
853
Replies
25
Views
3K
  • Last Post
Replies
1
Views
1K
  • Last Post
Replies
9
Views
665
Replies
4
Views
500
Replies
3
Views
553
  • Last Post
Replies
3
Views
1K
Top