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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
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Identifiers
 Mnemonics
 Operands
 Directives

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

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

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Increases by 2^(address bits)/addressability
Remains unchanged
Halves
Doubles

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Microprocessor
For a memory with a 16-bit address space, the addressability is

16 bits
8 bits
2^16 bits
Cannot be determined

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Microprocessor
The word size of 8085 microprocessor is

 16-bit
 8-bit
 4-bit
 20-bit

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