Microprocessor
In 8085 name/names of the 16 bit registers is/are

 program counter.
 both A and B.
 stack pointer.
 none of these.

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

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

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