8051 MICROCONTROLLER
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Program Settle word
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Program Screen word
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Program Status Word
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None of the above
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Detailed explanation-1: -The program status word (PSW) is a register that performs the function of a status register and program counter, and sometimes more.
Detailed explanation-2: -Explanation: B register is used to store one of the operands for multiply and divide instructions. In other instructions, it may just be used as a scratch pad. Explanation: The set of flags of program status word contains the status information and is considered as one of the special function registers.
Detailed explanation-3: -In 8085 Instruction set, with the mnemonic POP, we can pop out 2-Bytes from the top of the stack through rp i.e. register pair e.g. BC, DE, HL or AF. Here AF is a register pair formed with Flag and Accumulator registers and also known as PSW (Processor Status Word).