They perform test on multiple relations, bit multiplication or Boolean operators and return a true (non-zero or false zero) value to be used in making decision Table 12.5 shows logical operators and their meanings.
below are relational operators and their meaning
Operator Operations
NOT : Logical Complement
AND : Conjunction
OR : Disjunction (inclusive OR)
XOR : Exclusive OR
EQV : Equivalent
IMP : Implication