Computer Science ICT SSS2 FIRST Term

WEEK 7

LOGIC CIRCUIT I

Content

Introduction  to logic

Early learning of computer studies by Yomi Soyombo

Logic is the formal and systematised interconnection of discrete components. Also, logic means the circuitry, which performs logical functions.

Logic functions are shown usually in a TRUTH  TABLE which indicates exactly what will happen according to alternative(input) conditions.

The fundamental property of any statement is either TRUE or FALSE. the truth value of any statement is the truthfulness or falsity of that statement. The principal logical operators are:

1. AND
2. OR
3. NOT

 Others are NAND, NOR, EXCLUSIVE  OR(XOR).

A composite statement is made up of two or more statements, which are logically combined with connectives or logical operators. The truth value of a composite statement is made up of.... View More