WorksheetsSilicon Showdown
Total questions: 20
Worksheet time: 10mins
Who is known as the “Father of the Transistor”?
Gordon Moore
William Shockley
Jack Kilby
Robert Noyce
Which company invented the MOSFET transistor?
Intel
Bell Labs
TSMC
IBM
What does CMOS stand for?
Complementary Metal-Oxide-Semiconductor
Conductive MOS
Charge MOSFET
None of the above
Which element is commonly used as a dopant to create p-type Silicon?
Phosphorus
Boron
Arsenic
Gallium
What is the majority carrier in p-type silicon?
(a)
The energy difference between valence and conduction bands is called:
Fermi level
Ionization energy
Bandgap energy
Work function
What is the primary function of a diode?
Amplification
Current rectification
Voltage regulation
Signal mixing
Which transistor pair is used in CMOS logic gates?
NMOS only
PMOS only
NMOS and PMOS
BJTs
Which characteristic distinguishes a MOSFET from a BJT?
Voltage-controlled behavior
Current-controlled behavior
Unipolar conduction
A and C
A PN junction under reverse bias has a depletion width that is:
Independent of bias
Increases with reverse bias
Decreases with reverse bias
Zero
Adding donor impurities to silicon primarily increases its:
Hole concentration
Electron concentration
Bandgap energy
Depletion width
Which device’s operation primarily relies on minority carrier injection?
MOSFET
JFET
BJT
Tunnel diode
Which configuration of BJT provides the highest current gain?
Common-base
Common-emitter
Common-collector
Differential pair
Where is the high-purity silicon used for wafer production primarily sourced from?
Sea sand deposits in India
Quartz-rich sand mines in the US and China
Volcanic ash in Iceland
Recycled solar panels
Which company operates as an Integrated Device Manufacturer (IDM)?
TSMC
Qualcomm
Intel
ARM
Which company is the world’s largest manufacturer of semiconductors?
Intel
TSMC
Samsung
AMD
Which transistor type is most commonly used in smartphone processors?
BJT
MOSFET
JFET
IGBT
What is Moore’s Law related to?
Battery life
Transistor density
Internet speed
AI growth
Which country produces the most semiconductors globally?
USA
South Korea
Taiwan
China
How many transistors are in an Apple M2 chip?
10 billion
20 billion
50 billion
100 billion
