Logical operators – Turning Technologies ExamView User Manual

Page 104

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ExamView Test Generator

104

Logical Operators

ExamView Test Generator provides you with numerous pre-defined logical operators to use when defining variables,
conditions, and user-defined functions.

AND

expression AND expression

Returns TRUE (1) only if both expressions evaluate to non-zero, otherwise returns
FALSE (0). If the first expression evaluates to FALSE, the second expression is not
evaluated.

EQV

expression EQV expression

Returns TRUE (1) if both expressions evaluate to non-zero or if both expressions
evaluate to zero, otherwise returns FALSE (0).

IMP

expression IMP expression

Returns TRUE (1) if the first expression evaluates to non-zero and the second expression
evaluates to zero, otherwise returns FALSE (0).

MOD

expression MOD expression

Divides the first expression by the second expression and returns the remainder. If the
second expression is equal to zero, the function will return zero. Integer division may
return a negative value to satisfy the identity: (-A)/B = -(A/B) = A/(-B)

EXAMPLE

-34 MOD 6 will return -4

NOT

NOT expression

If expression evaluates to non-zero, this will return FALSE (0), otherwise it will return
TRUE (1).

OR

expression OR expression

Returns TRUE (1) if either expression evaluates to non-zero, otherwise returns FALSE
(0). If the first expression evaluates to TRUE, the second expression is not evaluated.

XOR

expression XOR expression

Returns the bitwise exclusive-OR or the two expressions.

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