The necessary condition to be checked before deletion from the queue is

BPSC TRE · TRE 1.0 · PGT (Classes 11–12) · Computer Science · 26 Aug 2023 · Shift 2 · Subject

1. A.

   overflow

2. B.

   underflow

3. C.

   rear value

4. D.

   More than one of the above

5. E.

   None of the above

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