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CJNE Instruction

Identify the correct instruction type of 'CJNE A, #25H, NEXT' in an 8051 microcontroller.

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Answer & Explanation

Correct AnswerC. Conditional jump instruction

Quick Explanation

CJNE means Compare and Jump if Not Equal. It compares the accumulator with the immediate value and branches to NEXT when they are unequal, so it is a conditional jump instruction.

Detailed Explanation

Correct Answer

C — Conditional jump instruction

Explanation

CJNE means Compare and Jump if Not Equal. It compares the accumulator with the immediate value and branches to NEXT when they are unequal, so it is a conditional jump instruction.

Key Concept

CJNE Instruction

Exam Point

CJNE = Compare + Jump if Not Equal.

Quick Trick

CJNE = Compare + Jump if Not Equal.

Exam Tip

CJNE = Compare + Jump if Not Equal.

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CJNE Instruction

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