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Microprocessor

Microprocessor
In one’s complement 8 bit representation 11111111 represents

1
-1
+0
-0

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to memory
 I/O device to accumulator
 memory to accumulator
 accumulator to memory

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 4.5
 RST 7.5
 RST 6.5
 RST 5.5

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 18
 8
 16
 12

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 Bus Interface Unit (BIU)
 Execution Unit (EU)
 Both ‘b’ and ‘c’
 None of these

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Microprocessor
Register pair used to indicate memory

 D and E
 W and Z
 H and L
 B and C

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