Download Parallax Robotics Exam Q Notes

HS Parallax
Microcontrollers/
Robotics
1
What is a
2
A power source is
connected to two or more
components is called a …
3
What clues would you look
for to figure out whether
or not an appliance like
a clock radio or a cell
phone contains a
microcontroller?
4
The terminal to which
electrons flow is called
the…
5
Let’s say you want to
take a break from your
BASIC Stamp project to go
get a snack, or maybe you
want to take a longer
break and return to the
project in a couple of
days. What should you
always do before you take
your break?
6
A measurement of
electrical pressure is
called a(n)…
7
Which resistor would
allow more current
through the circuit, a
470 Ω resistor or a 1000
Ω resistor?
EXAM NOTES –
Student Version
microcontroller?
1
8
A positive supply voltage
is recognized by the
symbol…
9
Can you use a breadboard
to connect four wires
together?
10
The tendency of an
element in a circuit to
resist the flow of
electrons (current) from
a battery’s negative
terminal to its positive
terminal.
11
How would you cause the
BASIC Stamp to do nothing
for an entire minute?
12
An element, such as
copper, that has almost
no resistance which in
turn allows the flow of
electricity.
13
Can a byte hold the value
500?
14
Bi-color LED’s emit red
and green light
intermittently as the
voltage polarity is
reversed.
15
What happens between the
terminals of a normally
open pushbutton when you
press it?
2
16
Batteries, battery packs,
or any other power supply
should be left connected
to the Homework Board,
Activity Board, or Board
of Education during nonuse.
17
What does the command
DEBUG ? IN3 do?
18
Voltage common source, or
negative supply voltage,
is recognized by the
symbol…
19
What does the HOME
control character do in
the statement DEBUG HOME?
20
The P-Basic keywords
between which segments of
code provide programming
instructions are…
21
What command controls the
low time in the signal
sent to a servo?
22
A counter argument which
uses negative numbers
will…
23
How do you use the DEBUG
Terminal to send messages
to the BASIC Stamp?
24
A brownout is caused by…
25
What device will be the
brain of your Boe-Bot?
3
26
Piezo Speaker
27
What is the name of the
window that displays
messages sent from the
Basic Stamp to your
PC/laptop?
28
A kind of miniature
computer that acts as an
‘embedded system’.
29
How do the Parallax
continuous rotation
servos differ from
standard servos?
30
Indicators which emit
light through the use of
LED circuitry.
31
How do you abbreviate
millisecond?
32
A device that responds to
a physical stimulus and
transmits a resulting
impulse (as for
measurement or
operating a control)
33
What command causes the
Basic Stamp to internally
connect one of its I/O
pins to Vdd?
34
Command which forces
display of the P-Basic
program in the DEBUG
Terminal.
4
35
What is the key to
controlling a Parallax
continuous rotation
servo’s speed and
direction?
36
A microcontroller which
detects change in
circuitry and then takes
action.
37
What are some the
symptoms of brownout on
the Boe-Bot?
38
The small holes found on
a solderless breadboard
39
What is a reset?
40
Program used for managing
BASIC Stamp signals and
commands
41
What are three (or more)
possible mistakes that
can occur when
disconnecting and
reconnecting the servos?
42
Device that controls
motion and position
43
What direction does the
left wheel have to turn
to make the Boe-Bot go
forward?
44
A one-way electric
current valve
5
45
When the Boe-Bot pivots
to the left, what are the
right and left wheels
doing?
46
Parallax’s programming
47
If your Boe-Bot veers
slightly to the left when
you are running a program
to make it go straight
ahead, how do you correct
this?
48
Parallax’s module which
serves as the brains
inside of electronics
projects and applications
that require a
language
programmable
microcontroller
49
What code block can you
use to select a
particular variable and
evaluate it on a case by
case basis and execute a
different code block for
each case?
50
Electromotive force or
potential difference
51
What kind of electrical
connection is a whisker?
52
Monitors the circuit
input by sending on or
off signals to the
circuit output.
6
53
Point of current entry
to, or departure from,
any conducting component
in an electric circuit
54
If IN7 + 1, what does
that mean?
55
The shorter, negative pin
of a diode such as an LED
56
How much the measured
value of its actual
resistance is of a given
resistor
57
What is the purpose of
having nested IF…THEN
statements?
58
A letter, figure, or
other character or mark
or a combination of
letters or the like used
to designate something
59
The amount of time which
determines the length of
a PAUSE command is
called…
60
The longer, positive pin
of a diode such as an LED
61
What ‘resists’ the flow
of electricity?
62
A conducting connection
between an electric
circuit or equipment and
the earth or some other
conducting body
7
63
An electronic device that
supplies electric energy
to an electrical load.
64
One of three parts of an
atom
65
One-millionth of a second
is a …
66
Is the Basic Stamp module
a microcontroller, or
does it contain one?
67
Subsystem testing is the
practice of testing the
individual components
before they go into the
larger device.
68
Standard Servos are
designed to receive
electronic signals that
tell them what position
to hold.
69
RPM’s represent
‘revolutions plus
milliseconds’.
70
What is the name of this
Greek letter: Ω, and what
measurement does Ω refer
to?
71
A potentiometer is kind
of like an adjustable
resistor.
8
72
Continuous rotation
servos must be used in
conjunction with a
pushbutton.
73
What do you always have
to do before modifying a
circuit that you built on
a breadboard?
74
Boe-Bots can be
programmed to move
backward, rotate and
pivot right or left, and
hover.
75
‘Ramping’ is a way to
gradually increase or
decrease servo speed.
76
What is the difference
between sending and
receiving HIGH and LOW
signals using the Basic
Stamp?
77
Servo horns can only have
four ‘horns’, they cannot
also be ‘wheels’.
78
What is the value of IN3
when a pushbutton
connects it to Vdd? What
is the value of IN3 when
a pushbutton connects it
to Vss?
79
Servo motors will not
lose speed even when the
batteries lose power.
9
80
What kind of code blocks
can be used for making
decisions based on the
value of one or more
pushbuttons?
81
If you do not initialize
a variable, the program
will automatically start
by storing the number
‘zero’ in that value
(default).
82
What are the five (5)
external parts on a
servo?
83
The number of electrons
per second passing
through a circuit is
called a …
84
The Board of Education
carrier board is known as
a(n)…
85
When the Basic Stamp
sends a character to your
PC/laptop, what type of
numbers are used to send
the message through the
programming cable?
86
Servos which turn at
certain speeds and
directions are known as …
87
What command is used to
decide which subroutine
to jump to?
88
How long does a
millisecond last?
10
89
What does it mean if IN7
= 0?
90
What P-Basic commands can
you use to make other PBasic commands execute
over and over again?
91
When a whisker is
pressed, what voltage
occurs at the I/O pin
monitoring it?
92
What command and argument
can you adjust to control
a continuous rotation
servo’s speed and
direction?
93
How can a piezospeaker be
used to detect brownout?
94
What is an initialization
routine?
95
What command do you have
to change in
RightServoTest.bs2 to
test the left wheel
instead of the right
wheel?
96
What direction does the
right wheel have to turn
to make the Boe-Bot go
forward?
11
97
Piezo Speaker
101
Breadboard
98
LED Indicator Lights
102
Activity Board
99
Propeller
103
USB Cable
100
Resistors
104
Jumper Wires
12