1
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?
A
MOV B, M
B
PCHL
C
RNZ
D
SBI BEH
2
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In an 8085 microprocessor, the shift registers which store the result of an addition and the overflew bit are, respectively.
A
B & F
B
A & F
C
H & F
D
A & C
3
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
4
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
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