Which is of the following is true about STA instruction?

Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)

It is a 3-byte instruction

It required three machine cycles

It uses immediate addressing mode

Accumulator is loaded with the content of memory

Correct Answer : Option (A) : It is a 3-byte instruction

Explanation : STA is a direct addressing mode instruction which stands for Store Accumulator Direct. It is a 3-byte instruction and it requires four machine cycles. In STA instruction memory is loaded with the content of the accumulator.

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