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Digital Electronics
Sequential Circuits
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Microprocessor
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Boolean Algebra
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Analog to Digital and Digital to Analog Converter
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Combinational Circuits
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Minimization
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Logic Families and Memories
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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 $$0025H.$$
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Questions Asked from Marks 1
GATE EE 2014 Set 3 (1) GATE EE 2008 (1) GATE EE 2002 (2) GATE EE 2000 (1) GATE EE 1997 (2) GATE EE 1995 (1) GATE EE 1994 (1) GATE EE 1993 (1) GATE EE 1992 (1)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement