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Microprocessor

Microprocessor
In a microprocessor based system the stack is always in

 RAM
 ROM
 EPROM
 microprocessor

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

None of these
 equal to the desired frequency
 twice the desired frequency
 four times the desired frequency

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Microprocessor
Identify the programmable interval timer from the following

 8279
 8252
 8253
 8275

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 30
 40
 27

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 5
 16
 10

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Microprocessor
Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct?

 (I) only
 (II) & (III)
 (I), (II) & (III)
 (II) only

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