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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 XRI 0FH
 ANI 0FH
 ORI 0FH
 CMA

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Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 3.
 2.
 4.
 6.

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

1
-1
+0
-0

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EPROM
 EEPROM
 PROM
 MROM

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 13
 27
 30

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

 16
 18
 12
 8

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