# Digital Electronics Unit 1.1

10 Questions | Total Attempts: 195  Settings  This quiz covers basics such as Scientific Notation, Engineering Notation, SI prefixes, resistor color codes, capacitors, and vocabulary.

• 1.
What's the best definition of SI notation?Numbers entered as a number from one to ten multiplied by a power of ten.
• A.

A floating point system in which numbers are expressed as products consisting of a number greater than one multiplied by an appropriate power of ten that is some multiple of three.

• B.

Numbers entered as a number from one to ten multiplied by a power of ten.

• C.

Abbreviation of System International, a system of practical units based on the meter, kilogram, second, ampere, Kelvin, mole, and candela.

• 2.
What's the best definition of a digital multimeter?
• A.

Insulating board containing conductive tracks for circuit connections.

• B.

A device to measure capacitance, inductance, current gain of transistors, and/or anything else that can be measured electronically.

• C.

A two terminal device that conducts in only one direction.

• D.

An electrical device used to store electrical charge.

• 3.
What's the best definition of a resistor?
• A.

Component made of material that opposes flow of current.

• B.

A two terminal device that conducts in only one direction.

• C.

An electrical device used to store electrical charge.

• 4.
What does LED stand for?
• A.

Low Energy Device

• B.

Light Energy Diode

• C.

Low Emitting Device

• D.

Light Emitting Diode

• 5.
Express the number 469200000 in Scientific Notation.
• A.

469.2 x 10^6

• B.

469.2 M

• C.

4.692 x 10^8

• D.

4.692 M

• 6.
Express the number 68100 Volts in Engineering Notation.
• A.

68.1 kV

• B.

68.1 x 10^3 V

• C.

6.81 x 10^4 V

• D.

68.1 x 10^(-3) V

• 7.
Express the number 0.054 Amps in SI Notation.
• A.

54 mA

• B.

5.4 x 10^(-2)A

• C.

54 x 10^(-3)A

• D.

54 kA

• 8.
What is the value of a resistor with a color scheme of Brown, Green, Red, Silver? (order from 0 to 9: black,brown,red,orange,yellow,green,blue,violet,gray,white)
• A.

1.6kOhms +-10%

• B.

1.5 kOhms +- 10%

• C.

2.6 kOhms +- 10%

• D.

1.5 kOhms +- 5%

• 9.
What is the value of a resistor with a color scheme of Green, Orange, Brown, Gold? (order from 0 to 9: black,brown,red,orange,yellow,green,blue,violet,gray,white)
• A.

6300 Ohms +-5%

• B.

4300 Ohms +- 10%

• C.

53 Ohms +- 10%

• D.

530 Ohms +- 5%

• 10.
Which of the following should be used to extinguish an electrical fire?
• A.

Class A fire extinguisher

• B.

Class B fire extinguisher

• C.

Class C fire extinguisher

• D.

None of these

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