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Microprocessor

Microprocessor
The clock speed of 8085 is

 1KHz.
 3.2KHz.
 1MHz.
 3.2MHz.

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 8
 16
 20
 12

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

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always set
 not affected
 always reset
 affected indicating specific conditions

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Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 19.
 40.
 21.

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Microprocessor
Identify the programmable interval timer from the following

 8253
 8252
 8275
 8279

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