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Worksheets

Silicon Showdown

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Who is known as the “Father of the Transistor”?

a)

Gordon Moore

b)

William Shockley

c)

Jack Kilby

d)

Robert Noyce

2.

Which company invented the MOSFET transistor?

a)

Intel

b)

Bell Labs

c)

TSMC

d)

IBM

3.

What does CMOS stand for?

a)

Complementary Metal-Oxide-Semiconductor

b)

Conductive MOS

c)

Charge MOSFET

d)

None of the above

4.

Which element is commonly used as a dopant to create p-type Silicon?

a)

Phosphorus

b)

Boron

c)

Arsenic

d)

Gallium

5.

What is the majority carrier in p-type silicon?

(a)  

6.

The energy difference between valence and conduction bands is called:

a)

Fermi level

b)

Ionization energy

c)

Bandgap energy

d)

Work function

7.

What is the primary function of a diode?

a)

Amplification

b)

Current rectification

c)

Voltage regulation

d)

Signal mixing

8.

Which transistor pair is used in CMOS logic gates?

a)

NMOS only

b)

PMOS only

c)

NMOS and PMOS

d)

BJTs

9.

Which characteristic distinguishes a MOSFET from a BJT?

a)

Voltage-controlled behavior

b)

Current-controlled behavior

c)

Unipolar conduction

d)

A and C

10.

A PN junction under reverse bias has a depletion width that is:

a)

Independent of bias

b)

Increases with reverse bias

c)

Decreases with reverse bias

d)

Zero

11.

Adding donor impurities to silicon primarily increases its:

a)

Hole concentration

b)

Electron concentration

c)

Bandgap energy

d)

Depletion width

12.

Which device’s operation primarily relies on minority carrier injection?

a)

MOSFET

b)

JFET

c)

BJT

d)

Tunnel diode

13.

Which configuration of BJT provides the highest current gain?

a)

Common-base

b)

Common-emitter

c)

Common-collector

d)

Differential pair

14.

Where is the high-purity silicon used for wafer production primarily sourced from?

a)

Sea sand deposits in India

b)

Quartz-rich sand mines in the US and China

c)

Volcanic ash in Iceland

d)

Recycled solar panels

15.

Which company operates as an Integrated Device Manufacturer (IDM)?

a)

TSMC

b)

Qualcomm

c)

Intel

d)

ARM

16.

Which company is the world’s largest manufacturer of semiconductors?

a)

Intel

b)

TSMC

c)

Samsung

d)

AMD

17.

Which transistor type is most commonly used in smartphone processors?

a)

BJT

b)

MOSFET

c)

JFET

d)

IGBT

18.

What is Moore’s Law related to?

a)

Battery life

b)

Transistor density

c)

Internet speed

d)

AI growth

19.

Which country produces the most semiconductors globally?

a)

USA

b)

South Korea

c)

Taiwan

d)

China

20.

How many transistors are in an Apple M2 chip?

a)

10 billion

b)

20 billion

c)

50 billion

d)

100 billion