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What does MBR stand for?(a) Main Buffer Register(b) Memory Buffer Routine(c) Main Buffer Routine(d) Memory Buffer RegisterI had been asked this question during an internship interview.My doubt is from CPU & Control Unit in chapter Processor & Memory of Computer Fundamentals

Answer»

The correct CHOICE is (d) MEMORY Buffer Register

The best explanation: The binary subtraction 0 – 1 GIVES the result 1.

A borrow of 1 is although generated and is REMOVED from the NEXT higher column.



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