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Microprocessor

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
The operating modes of 8255 A are called

Mode 0, mode 1 and mode 2
Mode 0, mode 2 and mode 3
Mode 0 and mode 1
Mode 0 and mode 2

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

 Object program
 Source program
 Symbolic addressing
 Macroinstruction

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Microprocessor
Which of the following is type declaration statement in C?

s = s + 1
prin = prin * prin
int bar
king = horse + 1

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Microprocessor
The stack pointer

 resides in RAM
 resides in ROM
 resides in microprocessor
 may be in RAM or ROM

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 4.5
 RST 6.5
 RST 5.5

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