1
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
The contents of the accumulator in an $$8085$$ microprocessor is altered after the execution of the instruction.
A
$$CMP$$ $$C$$
B
$$CPI$$ $$3A$$
C
$$ANI$$ $$5C$$
D
$$ORA$$ $$A$$
2
GATE EE 1993
MCQ (Single Correct Answer)
+1
-0.3
Three devices $$A,$$ $$B$$ and $$C$$ have to be connected to a $$8085$$ microprocessor. Device $$A$$ has highest priority and device $$C$$ has the lowest priority. In this context which of the following is correct assignment of interrupt inputs?
A
$$A$$ uses $$TRAP,$$ $$B$$ uses $$RST$$ $$5.5$$ and $$C$$ uses $$RST$$ $$6.5$$
B
A uses $$RST$$ $$7.5,$$ $$B$$ uses $$RST$$ $$6.5$$ and $$C$$ uses $$RST$$ $$5.5$$
C
$$A$$ uses $$RST$$ $$5.5,$$ $$B$$ uses $$RST$$ $$6.5$$ and $$C$$ uses $$RST$$ $$7.5$$
D
$$A$$ uses $$RST$$ $$5.5,$$ $$B$$ uses $$RST$$ $$6.5$$ and $$C$$ uses $$TRAP$$
3
GATE EE 1992
MCQ (Single Correct Answer)
+1
-0.3
If the $$HLT$$ instruction of a $$8085$$ microprocessor is executed,
A
the microprocessor is disconnected from the system bus till the Reset is pressed
B
the microprocessor enters into a Halt state and the buses are tri-stated
C
the microprocessor halts execution of the program and returns to monitor
D
the microprocessor reloads the program from the locations $$0024$$ and $$0025H.$$
GATE EE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12