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Microprocessor

Microprocessor
Identify the programmable interval timer from the following

 8252
 8275
 8279
 8253

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

 POP PSW
 POP 30 H
 POP D
 POP B

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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?

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

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 40
 27
 30

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Microprocessor
The number of interrupt lines in 8085 is

5
3
4
2

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Instruction decoding.
 Instruction fetch.
 Arithmatic and Logic operations.
 All the above.

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