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Microprocessor

Microprocessor
In one’s complement 8 bit representation 11111111 represents

+0
1
-0
-1

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 flags
 counters
 shift registers
 latches

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Microprocessor
Length of the instruction POP D is

 3 byte
 2 byte
 4 byte
 1 byte

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

 POP D
 POP 30 H
 POP B
 POP PSW

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RRC
 RLC
 RAR
 RAL

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 6
 8
 4
 10

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