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Microprocessor

Microprocessor
Of the following circuits, the one which involves storage is

Mux
Nand
RS Latch
Decoder

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, AC, P, OV
 S, OV, AC, P, CY
 S, Z, OV, P, CY
 S, Z, AC, P, CY

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Microprocessor
Which one of the following interrupt/interrupts is/are only level triggering?

 RST 6.5
 RST 5.5
 TRAP
 both ‘a’ and ‘b’

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for the user
None of these
 direct memory access for the I/O device
 direct memory access for microprocessor

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

-1
+0
1
-0

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Microprocessor
Register pair used to indicate memory

 D and E
 H and L
 B and C
 W and Z

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