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Microprocessor

Microprocessor
Pick up the programmable interrupt controller from the following

 8279
 8275
 8259
 8257

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

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

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Microprocessor
Pick out the matching pair

 HOLD; DMA
 READY; RIM
 SID; SIM
 S0;S1;wait status

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Microprocessor
Identify the communication interfacing device from the following

 8155
 8257
 8251
 8255

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Microprocessor
A microcomputer consists of

 memory
All of these
 a microprocessor
 I/O device

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

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

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MORE MCQ ON Microprocessor

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