Microprocessor
PUSH B instruction in 8085 microprocessor causes

 the contents of register B & C to be copied in the stack
 the contents of registers B & C to be transferred in the stack and and the registers get cleared
 the contents of register B only to be copied in the stack
 registers B & C to be cleared

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Microprocessor
Which one of the following is not correct?

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

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Microprocessor
A high on RESET OUT signifies that

 all the registers of the CPU are being reset
 all the registers and counters are being reset and this signal can be used to reset external support chip
 all the registers and counters are being reset
 processing can begin when this signal goes high

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