Microprocessor
While STC instruction executes,

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

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location

 2001H and 2002H to H and L registers respectively
 2000H and 1FFFH to H and L registers respectively
 2000H and 1999H to H and L registers respectively
 2001H and 2000H to H and L registers respectively

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Microprocessor
Which one of the following is not correct?

 An instruction is a set of bits that defines a computer operation
 An interrupt signal is required at the start of every program
 Bus is a group of wires
 Bootstrap is a technique or device for loading first instruction

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