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Microprocessor

Microprocessor
DMA signal/signals in 8085 is/are

 HOLD.
 All.
 HLDA.
 READY.

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T4 & T1
 T1 & T2
 T2 & T3
 T3 & T4

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 0034H
 002CH
 003CH
 0000H

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 EPROM, USART & PORTS
 SRAM & USART
 EPROM & PORTS
 SRAM, EPROM & PORTS

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 XRI 0FH
 XRI FOH
 ANI F0H
 ANI OFH

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 65536
 512
 64
 256

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