VTech PreComputer Prestige - Page 66

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TRUTH TABLE FOR "NOT" FUNCTION
A NOT A
TF
FT
TRUTH TABLE FOR "AND" FUNCTION
ABA AND B
TT T
TF F
FT F
FF F
TRUTH TABLE TABLE FOR "OR" FUNCTION
AB A OR B
TT T
TF T
FT T
FF F
Note that T = TRUE and F = FALSE.
Example:
10 INPUT A,B,C
20 IF A=B AND B=C THEN PRINT "A=B=C"
30 IF (NOT A=B) OR (NOT B=C) THEN 50