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Microprocessor

Microprocessor
A field programmable ROM is called

 MROM
 FPROM
 FROM
 PROM

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XCHG & DAD B
 XTHL & DAD H
 XCHG & DAD H
 PCHL & DAD D

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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

 512
 256
 64
 65536

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Microprocessor
Pick out the matching pair

 READY; RIM
 S0;S1;wait status
 HOLD; DMA
 SID; SIM

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 higher order address lines
 lower order address lines
 status lines
None of these

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Microprocessor
While INX B instruction execute,

 only carry flag will be affected
 no flags will be affected
 all flags will be affected
 only carry and zero flags will be affected

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