1

GATE ECE 2017 Set 1

MCQ (Single Correct Answer)

+1

-0.3

The clock frequency of an 8085 microprocessor is 5 MHz. If the time required to execute an instruction is 1.4 $$\mu $$s,
then the number of T-states needed for executing the instruction is

2

GATE ECE 2016 Set 3

MCQ (Single Correct Answer)

+1

-0.3

In an 8085 microprocessor, the contents of the accumulator and the carry flag are A7 (in hex) and 0, respectively. If the instruction RLC is executed, then the contents of the accumulator (in hex) and the carry flag, respectively, will be

3

GATE ECE 2015 Set 2

MCQ (Single Correct Answer)

+1

-0.3

In an 8085 microprocessor, which one of the following instructions changes the content of the accumulator?

4

GATE ECE 2015 Set 3

MCQ (Single Correct Answer)

+1

-0.3

Which one of the following 8085 microprocessor programs correctly calculates the product of two 8-bit numbers stored in registers B and C?

Questions Asked from Instruction Set and Programming with 8085 (Marks 1)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE Subjects

Network Theory

Control Systems

Electronic Devices and VLSI

Analog Circuits

Digital Circuits

Microprocessors

Signals and Systems

Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform

Communications

Electromagnetics

General Aptitude