Q. In 8085 microprocessor system with memory mapped I/O, which of the following is true?

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Q. In an intel 8085A microprocessor, why is READY signal used?

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Q. consider the following
I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag
Which one of the above flags is/are present in 8085 microprocessor?

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Q. Consider the following statements:
In 8085 microprocessor, data-bus and address bus are multiplexed in order to
I)Increase the speed of microprocessor.
II)Reduce the number of pins.
III)Connect more peripheral chips.
Which of these statements is/are correct?

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Q. ALU (Arithmetic and Logic Unit ) of 8085 microprocessor consists of

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Q. In intel 8085A microprocessor ALE signal is made high to

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Q. Which of the following statements for Intel 8085 is correct?

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Q. Processor status word of 8085 microprocessor has five flags. They are

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Q. The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

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Q. In an Intel 8085A, which is the first machine cycle of an instruction?

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Q. The number of output pins in 8085 microprocessors are

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Q. In 8085 name of the 16 bit registers is

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Q. Which of the following instruction is not possible in 8085?

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Q. How many T-states are required for execution of OUT 80H instruction?

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Q. Which instruction is required to rotate the content of accumulator one bit right along with carry?

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Q. The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

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Q. READY signal in 8085 is useful when the CPU communicates with

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Q. Temporary registers in 8085 are

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Q. Register pair used to indicate memory

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Q. A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

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