After display is selected by second port, then the digit (LED) glows for a duration of
A. 5 msec
B. 10 msec
C. 2 msec
D. 6 msec
Answer:A
After display is selected by second port, then the digit (LED) glows for a duration of
A. 5 msec B. 10 msec C. 2 msec D. 6 msec
Explanation: the unit(LED) glows for a duration of 5 msec.