Final answer:
The reduced form of a boolean equation Z using K-maps cannot be accurately determined without the specific K-map information. K-map is a method for simplifying boolean expressions through grouping and combining terms.
Step-by-step explanation:
The question pertains to finding the reduced form of a boolean equation using Karnaugh maps (K-maps), which is a tool used to simplify boolean algebra expressions. Without the specific K-map or truth table scenario that leads to the equation Z(A, B, C, D), it is impossible to accurately determine the reduced form. However, in a K-map simplification process, you look for patterns such as single ones, pairs, quads, or octets that can be combined to create the simplest possible logical expression with the minimum number of terms. These groups represent the logical sum of products (or product of sums if the map is inverted) that define the function Z. A typical simplification would involve combining adjacent groups of '1's that share common variables, hence reducing the overall complexity of the expression.