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Microprocessor

Microprocessor
Register pair used to indicate memory

 H and L
 D and E
 B and C
 W and Z

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 2,3&4
 1,2 & 4
 1,2 & 3
 1,3 &4

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

NIBBLE
WORD (16 bits)
BYTE
DOUBLEWORD (32 bits)

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Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 960ns
 320ns
 1280ns
 640ns

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

 2, 3 and 4
 1, 2 and 4
 1, 3 and 4
 1, 2 and 3

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 16
 8
 5
 10

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