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Microprocessor

Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 18
 12
 16
 8

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

 D-E
 PSW
 B-C
 Stack Pointer

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0024H.
 0048H.
 0060H.
 0030H.

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220
 220-1
 220 - 1
 20

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Microprocessor
Which of the following is a valid integer constant?

127
127
127
125 + 3

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 RST 5.5
 RST 7
 TRAP
 INTR

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