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Question:

a) Write the detailed operation/description of the following mnemonics:

(i) MOVX @DPTR, A
(ii) MOVC A, @A + PC
(iii) PUSH add

b) What is a subroutine and why a subroutine can be written into the body of a main program.

c) Give one advantage and one disadvantage of using Memory Mapped I/O

d) Describe the two conditions needed in Mode 2 and Mode 3 in Serial Data Communication in order to receive a character properly.

e) Processors running control software in a car or a train will always run that software, and there will be no attempt to run a computer game or spreadsheet program on the same processor. Give two reasons to support this argument.

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Category:- Other Engineering
Reference No.:- M9588780

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