Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial input
 serial I/O is possible through SIM and RIM instruction
 serial I/O is not possible
 there is a pin available for serial output

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Microprocessor
When referring to instruction words, a mnemonic is

 shorthand for machine language.
 a short abbreviation for the data word stored at the operand address.
 a short abbreviation for the operand address.
 a short abbreviation for the operation to be performed.

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Microprocessor
Which one of the following is not correct?

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

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