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Microprocessor

Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 6
 8
 2
 16

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

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 twice the desired frequency
 four times the desired frequency
 equal to the desired frequency
None of these

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

8 bits
2^16 bits
Cannot be determined
16 bits

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Microprocessor
Output of the assembler in machine codes is referred to as

 Source program
 Symbolic addressing
 Macroinstruction
 Object program

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 logical interrupts
 conditional interrupts
 hardware interrupts
 software interrupts

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