Explanation: The encoder outputs the ASCII value along with the valid signal which indicates that a key was pressed. 5. The disadvantage of using parallel mode of communication is ______.
A. It is costly
B. Leads to erroneous data transfer
C. Security of data
D. All of the above
Answer:A
Explanation: The encoder outputs the ASCII value along with the valid signal which indicates that a key was pressed. 5. The disadvantage of using parallel mode of communication is ______.
A. It is costly B. Leads to erroneous data transfer C. Security of data D. All of the above
Explanation: The parallel mode of data transfer is costly as it involves data being sent over parallel lines. 6. In a 32 bit processor, the A0 bit of the address line is connected to _____ of the parallel port interface.