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1. What does the instruction 'PCHL' in 8085 do?





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MCQ->An 8085 executes the following instructions
2710 LXI H, 30A0H
2713 DAD H
2714 PCHL All addresses and constants are in Hex. Let PC be the contents of the program counter and HL be the contents of the HL register pair just after executing PCHL. Which of the following statements is correct?....
MCQ->What does the instruction 'PCHL' in 8085 do?....
MCQ->Consider the following statements about 8085 The instruction LDA uses direct addressing mode.The instruction MVI uses direct addressing mode.The instruction MVI uses immediate addressing mode.The instruction LDA uses immediate addressing mode. Which of the above are correct?....
MCQ->Assertion (A): If contents of F register in 8085 are 01010001, it means S = 0, Z = 1, AC= 1, P = 0 and CY = 1.Reason (R): When an instruction is called from memory, the op. code of instruction is stored in instruction register.

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MCQ->Assertion (A): A two byte instruction of 8085 has an operation code in first byte and operand / address in the second byte.Reason (R): If an instruction is too long it is possible to reduce its length by a number of methods.

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