Write down detail of port 64 status register (5)
Explain function of time out byte in PPI (5)
Why int 14 is used?
Detail of its service# 1 and #2 (3)
1AH/01………….1AH/O5 purpose (3)
A syntax was given and I had to tell its function (2)
Why we need buffering (UART FIFO QUEUE) (2)
Write statement in C to toggle the speaker b/w on and off (2)
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