Exam (elaborations)
ENGINEERING FUNDAMENTALS QUESTIONS AND ANSWERS
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ENGINEERING FUNDAMENTALS QUESTIONS AND ANSWERS
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ENGINEERING FUNDAMENTALS QUESTIONS ANDANSWERS
What is electrical engineering? - Answers -It is the branch of engineering that deals with
the technology of electricity.
A resistor with a color code of green-yellow-red-gold has a value of _____ Ω with a
tolerance of _____%. - Answers -5.4k Ohms
5%
A(n) _____ allows flow in only one direction and can be used as a rectifier to change ac
to dc. - Answers -diodeg
_____ is the most commonly used semiconductor material. - Answers -Silicon
Incandescent bulbs use a _____ filament inside a globe where the oxygen has been
removed. - Answers -tungsten
_____ use about 75% less energy to create the same amount of light as an
incandescent bulb. - Answers -compact fluorescent lamps
What are PCBs and what are they used for? - Answers -Polychlorinated biphenyls
(PCBs) are a group of manmade chemicals. They are oily liquids or solids, clear to
yellow in color, with no smell or taste. PCBs are very stable mixtures that are resistant
to extreme temperature and pressure. PCBs were used widely in electrical equipment
like capacitors and transformers.
What is computer engineering? - Answers -the branch of engineering that integrates
electronic engineering with computer sciences.
What level of education is required to become a computer engineer? - Answers -Most
employers require students to hold a bachelor's degree in computer science, computer
programming, computer engineering, computer information systems, electrical
engineering, or a similar computer-related field.
A(n) _____ gate provides an output of 1 if either or both inputs are 1. - Answers -OR
A(n) _____ gate provides an output of 1 if both inputs are 0. If one or both inputs are 1,
the output is 0. If the inputs are both 1, the output is 0. - Answers -XNOR
A(n) _____ gate provides an output of 1 only if both inputs are 1. - Answers -AND
A(n) _____ gate provides an output of 1 if the inputs are both 0 or both 1, but not if one
is 0 and one is 1. - Answers -NOR
, A(n) _____ is a system for storing data in a computer system. - Answers -database
- Answers -algorithms
_____ are the heart of any PC and are located on the motherboard. - Answers -Central
Processing Units
Which type of memory stores frequently used data for quick access? - Answers -Cache
Which type of memory is programmed at the factory? - Answers -ROM
Which type of memory is used to temporarily store data on which the computer is
currently working? - Answers -RAM
What level of education is required to become an electrical engineer? - Answers -
Associate Degrees. Most employers require electrical engineers to hold a bachelor's
degree from a school accredited by the Accreditation Board of Engineering and
Technology (ABET), but some colleges still offer associate programs in electrical
engineering to serve as a stepping-stone to a four-year degree.
High school students should take the highest level courses possible in _____ and
_____ if they wish to become electrical engineers. - Answers -Math and Science
Electricity is the flow of _____. - Answers -Electrons
All matter is made up of microscopic building blocks called _____. - Answers -Atoms
Most electricity is produced using electric _____. - Answers -Generators
A battery is an example of which source of electricity? - Answers -Chemical Action
Electromotive force is another term for _____. - Answers -Electromotive force, also
called emf (denoted and measured in volts), is the voltage developed by any source of
electrical energy such as a battery or dynamo. It is generally defined as the electrical
potential for a source in a circuit.
_____ are the unit of measure for electrons. - Answers -Joules
When _____ is constant, current flows in only one direction. - Answers -Charge
What is not an example of a good conductor? - Answers -Rubber
In a circuit where voltage is held constant, if resistance increases, current _____. -
Answers -decreases
The unit for power is the _____. - Answers -Watt
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