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GATE 2020: Digital Electronics Quiz 6
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Question 1
Following is a 16-bit register for 8085 microprocessor
Question 2
Number of address lines necessary to connect 8 K memory chip is
Question 3
The logic circuit given below is used to generate chip select signal by INTEL 8085 Microprocessor to address a peripheral. The peripheral will respond to address in the range.
Question 4
Which of the following statements is/are correct about CPI A0 H
(i) Content of accumulator is not affected.
(ii) Only sign parity and auxiliary carry flags are affected.
(iii) Only zero and carry flags are affected.
(i) Content of accumulator is not affected.
(ii) Only sign parity and auxiliary carry flags are affected.
(iii) Only zero and carry flags are affected.
Question 5
A memory system of 128 K bytes needs to be designed with RAM chips of 2 K bytes each and a decoder circuitry constructed with decoder chips with “enable” input. The minimum number of decoder chips required in design are ______________.
Question 6
Call instruction when executed by 8085 microprocessor needs
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Aug 24ESE & GATE EE