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ENGR 217 Things to Know for Final
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ENGR 217 Things to Know for Final
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ENGR 217 Things to Know for FinalHow do you read binary? - ANS-From right to left: 1,2,4,8,16,32,etc...
How do you read hexadecimal? - ANS-Collect the bits in groups of four. Obtain a
number for each group of four, and combine them all together.
What is the largest digital value that can be output by an n-bit ADC? - ANS-The
maximum digital value that can be output by a n-bit ADC is 2^n-1 values.
How does a Flash-type ADC work? - ANS-A flash type ADC works by making every
single comparison at one time. The lowest binary value comparator that changes state
represents the binary value.
How does a successive approximation-type ADC work? - ANS-Inputs a known value to
comparator, and compare with unknown measurement voltage. If not the same,
increase and try again
What are the main points of comparison between the two ADC types? - ANS-Flash type
is quick but requires a lot of hardware. Successive approximation is slow but doesn't
need as much.
How does a DAC work? - ANS-A ladder of resistors and a decoder convert the input
digital value to turn on the correct switch.
What is Ohm's Law? - ANS-V = IR.
What are the four materials displayed in Daniel Rozin's work: "Materials in
Engineering"? - ANS-Wood, Brass, Stainless steel, and circuit board (Fiberglas)
What's the difference between a microprocessor and a microcontroller? - ANS-A
microprocessor has only the CPU inside of them. A microcontroller has a CPU, RAM,
ROM, and other things on the chip.
How are microprocessors and micro-controllers used? - ANS-They usually are designed
to read sensors and process information and give simple commands to other things.
They usually hold one program that is an eternal loop.
All compiling is done externally and is loaded onto the machine.
, Is the Arduino board a microprocessor or a microcontroller? - ANS-Micro-controller.
What is the function of pins 0-13 on an Arduino board? - ANS-Digital input/output pins,
used to write binary/boolean values.
What is the primary purpose of pins A0 - A5? - ANS-Analog inputs to the (10-bit) ADC
What do the A&K pins do on the 1602 liquid crystal display we used in lab? - ANS-LCD
backlighting: Anode (connect to +5V on Arduino) and cathode (ground)
What is the primary purpose of pins labeled GND, 5V, and 3.3V? - ANS-They provide
small amounts of power (5V/3.3V) and ground to auxilliary items such as sensors and
integrated circuit chips. It cannot be used to power amplifiers.
What does the push button in the upper left hand corner do? - ANS-Resets the
micro-controller.
What are the four types of noise? - ANS-Johnson-Nyquist
Shot
Flicker (1/f) noise
Burst
What is the formula for resistivity in a temperature change? - ANS-P = Po(1 + a(T-To))
What is the difference between compiling code and interpreting code? - ANS-Compiling
code interprets the entire program at once, and is better for larger programs.
Interpreting code interprets each line one at a time, and is better for smaller programs..
How are Arduino programs processed? - ANS-They are compiled on the computer and
then loaded directly onto the machine.
What is ABET outcome #2? - ANS-an ability to apply engineering design to produce
solutions that meet SPECIFIED NEEDS with consideration of public health, safety, and
welfare, as well as global, cultural, social, environmental, and economic factors.
What is ABET outcome #4? - ANS-an ability to recognize ETHICAL AND
PROFESSIONAL RESPONSIBILITIES in engineering situations and make informed
judgments, which must consider the impact of engineering solutions in global,
economic, environmental, and societal contexts.
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