Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Identifiers
 Mnemonics
 Operands
 Directives

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Microprocessor
When RET instruction is executed by any subroutine then

 without any operation, the calling program would resume from instruction immediately following the call instruction and also the PC will be incremented after the execution of the instruction.
 the top of the stack will be popped out and assigned to the PC.
 without any operation, the calling program would resume from instruction immediately following the call instruction.
 the PC will be incremented after the execution of the instruction.

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Microprocessor
In 8085 microprocessor system with memory mapped I/O, which of the following is true?

 Devices are accessed using IN and OUT instructions
 Arithmetic and logic operations can be directly performed with the I/O data
 There can be maximum of 256 input devices and 256 output devices
 Devices have 8-bit address line

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