How Transistors Work - A Quick and Basic Explanation

Interactive Video
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Physics, Science, Chemistry, Engineering, Other
•
KG - University
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the key invention that allowed computers to evolve from room-sized machines to wearable devices?
The vacuum tube
The integrated circuit
The microprocessor
The transistor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when impurities are added to a semiconductor to change its conductivity?
Charging
Conducting
Insulating
Doping
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of semiconductor is formed when it is doped with an atom that has an extra electron?
P-type
N-type
Neutral
Conductive
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a diode formed using semiconductors?
By sandwiching two P-type semiconductors
By sandwiching three semiconductors
By sandwiching a P-type and an N-type semiconductor
By sandwiching two N-type semiconductors
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the gate in a transistor?
To control the flow of current
To insulate the device
To increase the voltage
To provide power
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Moore's Law, how often should the number of transistors on a microprocessor double?
Every six months
Every year
Every five years
Every two years
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the impact of increasing the number of transistors on a microprocessor?
Decreases processing speed
Increases processing speed
Decreases device size
Increases power consumption
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