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Electrical and Computer Engineering Exam 5: Questions and Answers, Exams of Advanced Education

University of MarylandAdvanced Education

A comprehensive set of questions and answers covering fundamental concepts in electrical and computer engineering. It covers topics such as electrical units, passive and active components, ohm's law, transistors, binary and hexadecimal number systems, logic gates, and the history of computing. Suitable for students studying electrical and computer engineering at the university level.

Typology: Exams

2024/2025

Available from 04/12/2025

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ELECTRICAL AND COMPUTER ENGINEERING EXAM 5 QUESTION AND ANSWER
What is the fraction for a nano-?
1/1,000,000,000
What is the multiplier for a kilo-?
1,000
What is the multiplier for a giga-?
1,000,000,000
What are two types of current?
Direct current and Alternating current
Direct Current (DC):
the voltage is constant; and stays the same over time.
Alternating Current (AC):
the voltage alternates between positive and negative poles.
Current flow is measured in what units?
Amps
What is another term for a potential difference?
Voltage
Briefly describe what makes a component passive.
A component is passive when when that component absorbs power.
Give four examples of a passive electronic component.
- Resistor, Diode/LED, Capacitor, Switches
What are the two types of electronic components?
-Active Component -Passive Component
What is Ohm's Law?
V = I x R
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Download Electrical and Computer Engineering Exam 5: Questions and Answers and more Exams Advanced Education in PDF only on Docsity!

ELECTRICAL AND COMPUTER ENGINEERING EXAM 5 QUESTION AND ANSWER

What is the fraction for a nano-? 1/1,000,000, What is the multiplier for a kilo-? 1, What is the multiplier for a giga-? 1,000,000, What are two types of current? Direct current and Alternating current Direct Current (DC): the voltage is constant; and stays the same over time. Alternating Current (AC): the voltage alternates between positive and negative poles. Current flow is measured in what units? Amps What is another term for a potential difference? Voltage Briefly describe what makes a component passive. A component is passive when when that component absorbs power. Give four examples of a passive electronic component.

  • Resistor, Diode/LED, Capacitor, Switches What are the two types of electronic components? -Active Component -Passive Component What is Ohm's Law? V = I x R

What is the unit of measurement for resistance? Ohms What is the unit of measurement for the capacitance of a capacitor? Farads A capacitor is an active device. false What is the unit of measurement for inductance? Henries A diode is a passive device. True What is the primary function of a diode? Restrict current flow to one direction Name two different applications for a transistor. transistor is known for amplifying and switching. 2 types: Bipolar Junction Transistor and the Common Emitter Amplifier/Inverting Amplifier An transistor is an active device. true What year was the solid state transistor invented? 1947 What did transistors largely replace in computing devices? Vacuum Tubes The decimal value of the Unsigned Hexadecimal number FC is 252 What is the decimal value of the Unsigned Binary number 10001011? 139 What is the prefix you give to a number to indicate it is hexadecimal?

What two devices were invented in ancient Greece? Astrolabe & Antikythera Who created the first integrated circuits? Texas Instruments and Fairchild Semiconductor Who first used punched cards for a programmable loom? Joseph Marie Jacquard Around 1820, who was created the first mass produced mechanical calculator? Charles Xavier Thomas In what year did Charles Babbage conceive the general purpose computer? 1833 What was the first computer to run an electronic stored memory program? Manchester Baby In what year did Blaise Pascal invent a mechanical calculator? 1642 Who first used gears to perform mechanical calculations? Guidobaldo del Monte How may bits does UTF-16 use? 16 or 32 What does ASCII stand for? American Standard Code for Information Interchange How does a computer represent sound? Numbers What is the ASCII code for a carriage return? 0x0D When was the first edition of ACSII created? 1963