1

GATE ECE 2004

MCQ (Single Correct Answer)

+2

-0.6

Consider the sequence of 8085 instructions given below.

LXI H, 9258

MOV A, M

CMA

MOV M, A

Which one of the following is performed by this sequence?

LXI H, 9258

MOV A, M

CMA

MOV M, A

Which one of the following is performed by this sequence?

2

GATE ECE 2003

MCQ (Single Correct Answer)

+2

-0.6

In an 8085 microprocessor, the instruction CMP B has been executed while the
content of the accumulator is less than that of register B. As a result

3

GATE ECE 2002

MCQ (Single Correct Answer)

+2

-0.6

Consider the following assembly language program.
The execution of the above program in an 8085 microprocessor will result in

4

GATE ECE 2002

MCQ (Single Correct Answer)

+2

-0.6

The contents of Register (B) and Accumulator (A) of 8085 microprocessor are 49H and 3AH respectively. The contents of A and the status of carry flag (CY) and sign flag (S) after executing SUB B instructions are

Questions Asked from Instruction Set and Programming with 8085 (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE Subjects

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

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics