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Microprocessor

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

 POP 30 H
 POP D
 POP B
 POP PSW

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 EI
 DI
 SIM
 RIM

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

 18
 12
 16
 8

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Microprocessor
The ROM programmed during manufacturing process itself is called

 PROM
 MROM
 EPROM
 EEPROM

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NOR-NAND
NAND-NOR
OR-NAND
NAND-NAND

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

The same as
Less than
Cannot be determined
Greater than

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