state gov UP Police Computer Operator Grade A Mock Test 2023 Digital Logic Number Representations and Computer Arithmetic Minimization of Boolean Expression
Which of the following statements about the K-maps is INCORRECT ?
1
In K-maps, don't care terms are used only if they help in reducing the expression. Otherwise, they need not be considered.
2
The five-variable map may contain 2-squares, 4-squares, 8-squares, or other combinations involving four blocks of Kmap having 16 squares each.
3
The binary number designations of the rows and columns of the K-map are in Gray code
4
A two-variable K-map expression can have 4 possible combinations of the input variables.