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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 6.5
 RST 5.5
 RST 7.5
 RST 4.5

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Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 PUSH SP
 POP PSW
 PUSH PSW
 PUSH A

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 13
 7
 10
 16

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 none of these.
 both A and B.
 program counter.
 stack pointer.

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 not affected
 always reset
 affected indicating specific conditions
 always set

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Microprocessor
Register pair used to indicate memory

 W and Z
 H and L
 B and C
 D and E

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