Total 23 questions
16 mcqs. of 1 mark each.

2 questions for 2 mark each

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write the port number connected to LPT ports.

what is com port write the service number and describe.

2 questions for 3 marks each

Can we send the data to keyboard if yes then justify your answer, if no then give the reason.

what is UART ?

2 questions for 5 marks each

Write a program to hook up the modem with processor, also write the separate routine for control the modem, line status, generate the signal.

What is co-processor, describe the role of co processor and write the routine to attache the co processor with processor.