(B) In Boolean algebra,the expression $Y = A + B$ represents the logical $OR$ operation.In this operation,the output $Y$ is $1$ (high) if at least one

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The output $Y$ exists if $A$ or $B$ or both $A$ and $B$ exist.

(B) In Boolean algebra,the expression $Y = A + B$ represents the logical $OR$ operation.In this operation,the output $Y$ is $1$ (high) if at least one of the inputs $A$ or $B$ is $1$ (high).This means $Y$ is $1$ if $A=1$,or $B=1$,or both $A=1$ and $B=1$.Therefore,the output $Y$ exists if $A$ or $B$ or both $A$ and $B$ exist.

Class 12 Physics Semiconductor Electronics Boolean Algebra and Logic Gates

Easy

In Boolean algebra,$Y = A + B$ represents . . . . . .

A
The output $Y$ exists only if both inputs $A$ and $B$ exist.
B
The output $Y$ exists if $A$ or $B$ or both $A$ and $B$ exist.
C
The output $Y$ exists if $A$ or $B$ exists,but $Y$ does not exist if both $A$ and $B$ exist.
D
The output $Y$ exists if both $A$ and $B$ exist,but $Y$ does not exist if only $A$ or $B$ exists.