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Microprocessor

Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 247
 246
 245

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

OR-NAND
NOR-NAND
NAND-NOR
NAND-NAND

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

 increment by two
 decrement by two
 remain unaffected
None of these

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Gate
Register
Decoder
Mux

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to address bus.
 incremented by one.
 transferred to memory address register .
 transferred to memory data register.

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Microprocessor
While CMP B instruction executes,

 only carry flag will be affected.
 only carry and zero flags will be affected.
 no flags will be affected.
 all flags will be affected.

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