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Microprocessor

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

Cannot be determined
16 bits
8 bits
2^16 bits

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Microprocessor
The execution of RST n instruction causes the stack pointer to

None of these
 remain unaffected
 increment by two
 decrement by two

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0048H.
 0060H.
 0030H.
 0024H.

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 B-C
 Stack Pointer
 D-E
 PSW

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 010001000
 01000000
 11000100
 00000100

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 It facilitates the user storing 16-bit data temporarily
 It has to fetch two 8-bit data at a time
 It counts 16-bits at a time
 There are 16 address lines

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