How does the following work? (i)READY(ii)INTR(iii)NMI
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AIM: a) Mask the lower nibble of an 8-bit number. b) Mask the higher nibble of an 8-bit number.
Comment on the direction of the port for the following CWR values in 8255 80H 8A H 8B H 92H 98H
Q1. If the source computer wants to send HELLO message to the destination computer. How it would be possible using the layering structure OSI Model? (Note: Start procedure from Application Layer) Q2. Discuss the function of FCS in HDLC frame structure. ...
Write initialisation instructions for the 8255A to set up: PORT A as an output port in Mode 0 PORT B as an output port in Mode 1 for interrupt I/O PORT C (Upper) as an output port in Mode 0.
Write the name of following ICs 8251 8253 8259 8237 8255