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Microprocessor

Microprocessor
Pick up the programmable interrupt controller from the following

 8279
 8259
 8275
 8257

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 1000 H and 0FFF H
 0FFE H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 1001 H

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Microprocessor
The stack is nothing but a set of

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

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 Stack Pointer
 B-C
 PSW
 D-E

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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

 256
 512
 64
 65536

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 higher order address lines
None of these
 lower order address lines
 status lines

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