
Electronics II Flashcard
Flashcard
•
Engineering
•
University
•
Practice Problem
•
Hard
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11 questions
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1.
FLASHCARD QUESTION
Front
What does "IC" stand for in electronics?
Back
Integrated Circuit
2.
FLASHCARD QUESTION
Front
Why is the 555 timer called "555"?
Back
It uses three 5kΩ resistors internally
3.
FLASHCARD QUESTION
Front
How many pins does a 555 timer IC have?
Back
8
4.
FLASHCARD QUESTION
Front
What is inside a 555 timer IC?
Back
Flip-flops, comparators, resistors, and transistors
5.
FLASHCARD QUESTION
Front
In monostable mode, the 555 timer produces a pulse when:
Back
Triggered by an external pulse
6.
FLASHCARD QUESTION
Front
What is the function of the discharge pin (Pin 7) in a 555 timer?
Back
Discharges the timing capacitor
7.
FLASHCARD QUESTION
Front
In astable mode, the 555 timer:
Back
Continuously oscillates without external trigger
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