EXAM 1 QUESTIONS & VERIFIED
CORRECT ANSWERS
Michael Faraday - Correct Answer ✔✔ He was the first to document semiconducting
properties
diode patent filed - Correct Answer ✔✔ Used for radio detectors
Digital Switching Function and Amplification - Correct Answer ✔✔ What are the vacuum
tube's two primary applications:
3,000 square feet, weighing 50 tons - Correct Answer ✔✔ How big was the first
electronic computer created?
To help in WWII with codebreaking - Correct Answer ✔✔ Why was the first electronic
computer created?
18,000 vacuum tubes and 150 kW of power - Correct Answer ✔✔ How many vacuum
tubes did the first electronic computer created?
Electrical Numerical Integrator And Calculator - Correct Answer ✔✔ What does ENIAC
stand for?
bulky, leaky, fragile, unreliable and consumed large amounts of power - Correct Answer
✔✔ What were the problems with vacuum tubes?
solid-state - Correct Answer ✔✔ People proposed a "_____________" electronic
switching device
A naturally occurring oxide, higher melting points, and easier to grow in large crystals -
Correct Answer ✔✔ What are the three advantages of silicon?
Electrons have lower mobility - Correct Answer ✔✔ Disadvantage of Silicon
silicon - Correct Answer ✔✔ From germanium to
single crystal - Correct Answer ✔✔ From polycrystalline to
Enabled integrating circuits - Correct Answer ✔✔ The Planar Process
, parallel - Correct Answer ✔✔ The Planar Process gave it the ability to fabricate devices
in _________ on the same substrate
Oxidation - Correct Answer ✔✔ Oxidizing silicon to make insulating SiO2
Thin Film Deposition - Correct Answer ✔✔ Depositing other materials, like metals or
silicon nitride
Photolithography - Correct Answer ✔✔ Patterning a UV sensitive plastic film as a
precursor to patterning the other materials
Etching - Correct Answer ✔✔ Removing a film
Doping - Correct Answer ✔✔ Adding Group III or Group V elements to add or subtract
electrons and modify conductivity
Passive Components - Correct Answer ✔✔ Insulators, Interconnects, Contacts,
Resistors, Capacitors
Active Components - Correct Answer ✔✔ Diodes, Field Effect Transistors, Bipolar
Transistors
Circuits - Correct Answer ✔✔ CPU, Memory, Logic, Amplifiers, Signal Processing
Integrated Microsystems - Correct Answer ✔✔ MEMS, airbag chips, lab on a chip,
optical systems, sensors
basic building blocks - Correct Answer ✔✔ Metals, Insulators, Semiconductors and
some polymers
Silicon dioxide and Silicon Nitride - Correct Answer ✔✔ Most common insulators
Interconnects - Correct Answer ✔✔ You have to make the "wires" to connect things
aluminum or Al/Cu alloy - Correct Answer ✔✔ What are interconnects made out of?
doping - Correct Answer ✔✔ Adding charge carriers through a process called
Resistor - Correct Answer ✔✔ Two contacts with a doped region in between
Capacitor - Correct Answer ✔✔ Two conducting plates with an insulator in between
Diodes - Correct Answer ✔✔ Used in regulators, power supplies, LED's
Field Effect (MOS) Transistor - Correct Answer ✔✔ The basis of modern electronics