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In Boolean algebra, any Boolean function can be expressed in the canonical disjunctive normal form , [1] minterm canonical form, or Sum of Products (SoP or SOP) as a disjunction (OR) of minterms. The De Morgan dual is the canonical conjunctive normal form ( CCNF ), maxterm canonical form , or Product of Sums ( PoS or POS ) which is a ...
In sum-of-products (SOP) form, AND gates form the smallest unit and are stitched together using ORs, whereas in product-of-sums (POS) form it is opposite. POS form requires parentheses to group the OR terms together under AND gates, because OR has lower precedence than AND. Both SOP and POS forms translate nicely into circuit logic.
In boolean logic, a disjunctive normal form (DNF) is a canonical normal form of a logical formula consisting of a disjunction of conjunctions; it can also be described as an OR of ANDs, a sum of products, or — in philosophical logic — a cluster concept. [1] As a normal form, it is useful in automated theorem proving.
Preparation in SOP (sum of products) form. Obtain the minimum SOP form to reduce the number of product terms to a minimum. Decide the input connection of the AND matrix for generating the required product term. Then decide the input connections of the OR matrix to generate the sum terms. Decide the connections of the inversion matrix. Program ...
In Boolean algebra, a formula is in conjunctive normal form (CNF) or clausal normal form if it is a conjunction of one or more clauses, where a clause is a disjunction of literals; otherwise put, it is a product of sums or an AND of ORs.
AND-OR-invert (AOI) logic and AOI gates are two-level compound (or complex) logic functions constructed from the combination of one or more AND gates followed by a NOR gate (equivalent to an OR gate through an Inverter gate, which is the "OI" part of "AOI").
SOP standard operating procedure: SOW Statement of Work: SPKR Speaker: SPS Stall Protection System: SQ Squelch: Or: SQL SR sunrise: SRM structural repair manual SRS Speed Reference System: SS sunset: SSCV/DR Solid-state cockpit voice/data recorder See flight recorder: SSCVR Solid-state cockpit voice recorder See flight recorder: SSFDR Solid ...
Using the algorithm above it is now possible to find the minimised boolean expression, by converting the essential prime implicants into the canonical form ie. -100 -> BC'D' and separating the implicants by logical OR. The pseudocode assumes that the essential prime implicants will cover the entire boolean expression.