1
GATE EE 1997
Fill in the Blanks
+1
-0
The range of address for which the memory chip shown in Figure, will be selected is .... to ......... GATE EE 1997 Digital Electronics - Microprocessor Question 1 English
2
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
In an $$8085$$ microprocessor, after the execution of $$XRA$$ $$A$$ instruction
A
the carry flag is set
B
the accumulator contain $$F{F_H}$$
C
the Zero flag is set
D
the accumulator contents are shifted left by one bit
3
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
$$ORA$$ $$A$$
4
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 $$TRAP$$
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