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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 ANI 0FH
 XRI 0FH
 CMA
 ORI 0FH

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 246
 244
 247
 245

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial input
 there is a pin available for serial output
 serial I/O is not possible
 serial I/O is possible through SIM and RIM instruction

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Microprocessor
The control flags in 8086 are:

 the direction flag(DF).
 the Trap flag(TF).
All of these
 the interrupt flag(IF).

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Mux
Register
Decoder
Gate

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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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