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DDR stands for __________

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DDR stands for __________

(a) Data Direction Register

(b) Data Decoding Register

(c) Data Decoding Rate

(d) None of the mentioned

I have been asked this question in quiz.

Enquiry is from Parallel Port in chapter Input/Output Organisation of Computer Architecture

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The correct answer is (a) Data Direction Register

Easy explanation: This register is used to control the flow of data from the DATAOUT register.

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