Multiple choice

Which of the following output pins in 8279 IC is/are used to blank the display during digit switching or by a blanking command?

  1. SHIFT

  2. BD

  3. RL0-RL7

  4. IRQ

  5. A0

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This output pin in 8279 IC is used to blank the display during digit switching or by a blanking command.