
Module 2
Flashcard
•
Computers
•
6th - 8th Grade
•
Practice Problem
•
Hard
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12 questions
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1.
FLASHCARD QUESTION
Front
What is a matrix keypad?
Back
An array of buttons on a grid
2.
FLASHCARD QUESTION
Front
Which of the following is not a place you should expect to see a keypad: Cell Phones, Microwaves, Door Locks, Computer Keyboard?
Back
Computer Keyboard
3.
FLASHCARD QUESTION
Front
What are keypads used for?
Back
To enter passwords and control objects
4.
FLASHCARD QUESTION
Front
Which of the following is not a common matrix keypad size? 4x4, 4x3, 4x2, 4x1
Back
4x2
5.
FLASHCARD QUESTION
Front
What are the first 4 pins on the keypad for?
Back
Rows
6.
FLASHCARD QUESTION
Front
What are the last 4 pins on the keypad for?
Back
Columns
7.
FLASHCARD QUESTION
Front
How do matrix keypads work?
Back
Whenever a button is pressed, both the row and column that it is on start sending out current.
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