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In Boolean algebra, the bar sign (-) indicates ....................

In Boolean algebra, the bar sign (-) indicates ....................
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A OR operation
  • B AND operation
  • C NOT operation
  • D None of the above
Correct Answer: Option C
Explanation:
In modern Boolean algebra, we use the plus (+) symbol to mean OR, the dot (•) symbol to mean AND, and a bar above a variable to mean NOT.

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