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Microprocessor

Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 32.
 16.
 64.
 128.

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

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

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Microprocessor
Temporary registers in 8085 are

 B and C.
 W and Z.
 D and E.
 H and L.

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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?

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

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 Execution Unit (EU)
 Bus Interface Unit (BIU)
 Both ‘c’ and ‘d’
 None of these

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 all the above characteristic
 non-volatile characteristic
 erasable and programmable characteristic
 random access characteristic

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