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Microprocessor

Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 Z-80
 6502
 68000
 8085

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Microprocessor
DMA is used between

 microprocessor and memory
 microprocessor and I/O
 memory and I/O
 none

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 RST 5.5
 TRAP
 INTR
 RST 7

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross copled AND
A cross coupled NAND/OR
A pair of cross coupled OR
A pair of cross coupled NAND

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Memory cycle
 Clock cycle
 Machine cycle
 Instruction cycle

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 EI
 DI
 RIM
 SIM

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