Pulse and Digital Circuits

17.7 BOOLEAN EXPRESSIONS IN SUM OF PRODUCTS (SOP) FORM AND IN PRODUCT OF SUMS (POS) FORM

Any Boolean function is expressed either in a canonical or expanded sum of products (SOP) form or in a product of sums (POS) form. Each product term in the canonical SOP form is called a minterm and each sum term in the canonical POS form is called a maxterm.

 

TABLE 17.24 The minterms and maxterms of the three variables

Each minterm is represented by a binary word formed by representing the non-complemented variable by a 1 and the complemented variable by 0. Each variable represented in complemented or non-complemented form is called a literal. The decimal ...