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Microprocessor

Microprocessor
Which of the following instruction is not possible in 8085?

 POP 30 H
 POP B
 POP PSW
 POP D

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 EI
 RIM
 SIM
 DI

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 20
 16
 8
 12

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 65536
 512
 256
 64

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Microprocessor
The stack is nothing but a set of

 reserved ROM address space
 reserved I/O address space
None of these
 reserved RAM address space

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

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

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