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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 285
 65536
 512
 256

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 Stack Pointer
 D-E
 PSW
 B-C

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 EPROM & PORTS
 EPROM, USART & PORTS
 SRAM & USART
 SRAM, EPROM & PORTS

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

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

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

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

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Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

Neither A nor B
Either A or B
External buffer is used
Processor is capable of waiting

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