ECE243 Practice Question Website


Main Assembly Programming Input/Output Memory Computer Architecture Advanced Topics

Input/Output Questions





Question 4

Two devices are connected by a asynchronous serial link (UART) as discussed in class and in the text and lab manual. For all parts of this question, the sender is configured at 28000 baud, 7 data bits, 2 stop bits. Note that ASCII codes are in Appendix E, page 791.

How long would it take to transmit the phrase
        “YOUR HOUSE IS ON FIRE”
from this sender at full speed? (Ignore the quotation marks)

Answer

1/1400 sec

Full Solution

20 characters at 2800 characters per second = 1/1400 sec