Ecet340 Study guides, Class notes & Summaries

Devry University - ECET 340: Quiz 1. Questions and Answers. Question 1 5 / 5 pts (TCO 1) A 4 x 5 keypad consists of four columns and five rows. 9 SPST switches. 20 SPST Normally Closed switches. Correct! four rows and five columns. ECET340 Week 1 lecture on keypad Question 2 0 / 5 pts (TCO 1) Which of the following is not an advantage of an LCD compared to an LED display? Ease of programming Correct Answer Limited to display numbers and a few characters You Answered Ability to...

Devry University - ECET 340: Quizzes 1 - 5. Questions and Answers. 1. Question : (TCO 1) In a typical keypad switch, bouncing occurs for how long? Student Answer: 5 to 20 ns 5 to 20 μs 5 to 20 ms 5 to 20 s Instructor Explanation: ECET340 Week 1 lecture on keypad Points Received: 5 of 5 Comments: Question 2 . Question : (TCO 1) After voltage is applied to an LCD element, what must be done first? Student Answer: Initialize the LCD Blank the LCD display Send a message to the L...