Microprocessors
Pin Details of 8085 and Interfacing with 8085
Marks 1Marks 2
Instruction Set and Programming with 8085
Marks 1Marks 2Marks 5
1
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?
A

MVI A, 00H
JNZ LOOP
CMP C
LOOP DCR B
HLT
B

MVI A, 00H
CMP C
LOOP DCR B
JNZ LOOP
HLT
C

MVI A, 00H
LOOP ADD C
DCR B
JNZ LOOP
HLT
D

MVI A, 00H
ADD C
JNZ LOOP
LOOP DCR B
HLT
2
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
For 8085 microprocessor, the following program is executed. GATE ECE 2013 Microprocessors - Instruction Set and Programming with 8085 Question 25 English At the end of program, accumulator contains
A
17 H
B
20 H
C
23 H
D
05 H
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
An instruction used to set the carry flag in a computer can be classified as
A
data transfer
B
arithmetic
C
logical
D
program control
4
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
The following instructions have been executed by an 8085 $$\mu $$P GATE ECE 1997 Microprocessors - Instruction Set and Programming with 8085 Question 27 English
From which address will be text instruction be fetched?
A
6019
B
0379
C
6979
D
None of the above
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics