Raspberry pi glossary of terms dictionary extended

8/17/2019 Raspberry Pi Glossary of Terms Dictionary Extended
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Raspberry Pi Glossary of Terms Dictionary Extended
The project glossary is a collection of vocabularies or phrases (the terms) captured from various models, reports
and any other artifacts in the software project. Each term are de ned with its meaning speci c to the project
domain. … understand the design artifacts. provide description to key terms and phrases.
Headings De nations
10Base-T Twisted Pair Ethernet
10Base-T: Twisted Pair Ethernet twisted pair cable cord that gives a way to connect the Ethernet and the
Local Area Networks and handle 10 megabits
802.11n type of high speed internet by the IEEE
A command with a "freq" su x is
probably dealing with
settings control for performance of the RP's SoC
a loop in programing is what? a sequence of comamnds that are repeated continously until a condition
is reached
A personal computer has a BIOS.
What is BIOS?
Basic Input-Output System
A trigger-block in scratch does
what?
tells the sprite "when" to do something (there are only 4)
A/mA Ampere/Milliampere, the base unit of electrical current. Milliamps
1/1000 of an ampere, measures the Current.
Abstraction Representing a concept by hiding unnecessary details, revealing only the
details that are important
ACT (activity) light tells you if the SD is on and working
Active Sensor Sends a signal and then detects changes in the environment based on the
data returned, usually requires an external power source
Ad-Hoc formed arranged or done for a particular use only
Algorithm A series of precise instructions to solve a problem
This is the Extended Raspberry Pi Glossary of Terms. It consists of almost all the terms that one could nd in
Arduino or Raspberry Pi Projects. If you want to go to the Standard Glossary Click the Link: Standard Dictionary

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An add-on while using Rasbmc is
another name for
the music input player, kind alike You tube
Analogue signal A continuous variable signal
analogue/analog signal using informaiton represting a continous variable
API Application programming interface; a set of functions used when
building Software.
Arduino a platform based on hardware and software that reads inputs (a nger
on a button, a light on a sensor) and activates an output (a motor, a light
etc.)
Arduino a platform based on hardware and software that reads inputs (a nger
on a button, a light on sensor) and activates an output (a motor, a light
etc.)
ARM a central processing unit that is desgined for small devices
Arm A central processing unit that is designed for small devices
Armv6 The instruction set architecture used on the rst Raspberry Pi (Pi 1) and
the Pi Zero range.
Armv7 The instruction set architecture used on the Raspberry Pi 2 range.
Armv8 The instruction set architecture used on the Raspberry Pi 3 range; very
similar to Armv7 in 32-bit mode.
Assets Items needed to create a project, such as images or 3D-printed parts
Auto-MDI feature of the RJ45 that prevents computers that are connecting
networks to talk over each other
BalenaEtcher The tool we recommend for programming SD cards ready for use on our
devices; available for Linux, Windows, and Mac.
Bare metal Programming the Raspberry Pi without using an operating system.
Bash the most popular shell choice used in most Linux distrobutions
Bash the most popular shell choice used in most Linux distrobutions
BCM2711 The SoC used on the Raspberry Pi 4B
BCM2835 the RP's SoC multimedia processor
BCM2835 The RP's SoC multimedia processor, The SoC used on the Raspberry Pi 1,
Compute Module 1, and Raspberry Pi Zero range
BCM2836 The SoC used on the original Raspberry Pi 2
BCM2837 The SoC used on the Raspberry Pi 3, Compute Module 3, and Raspberry
Pi 2 version 1.2
bezel/surround display related setting the distrots a display with RP is connected to a
comptuer
BLE/BTLE Bluetooth Low Energy, a low-power version of the Bluetooth wireless
communications protocol.
Bonding agent Adhesive for sticking components together (e.g. glue)
Boolean logic -a form of algebra that all values are either True or False
Boosting something done to the voltage that means boosting the signal within the
chip
boot device any hardware that can read or contains les requried for the computer to
start

Headings De nations
Bootloader Software responsible for leading the Linux kernel. The most common is
GRUB.
Bootloader Software responsible for leading the Linux kernel. The most common is
GRUB.
Breadboard A reusable circuit board for prototyping electronic circuits
bricking the process if breaking your RP or other device
BT Bluetooth, a short-range, low-bandwidth, wireless communication
protocol often used for mobile devices.
bus a communication system that transfers info from between computers or
inside between compoents of a computer
Bus a communication system that transfers info from between computers or
inside between compoents of a computer includes all hardware like
bers, cables, communication protocols
By using the cloud based system,
it allows RP to
work on more complicated docuemnets and tasks without solwing down
becuase of memory capasity
cache list of all software avaliabel to install via apt
CAD Computer-aided design; allows precise 2D and 3D drawings and models
of real-world objects to be designed on a computer
capacious having a lot of room inside
character encoding type of coding used by a languge
Chromium is another name for Google Chrom
Circuit A path along which current ows
CISC -Complex instruction set computing
Closed source -not open operating systems that dont let the user see insdide, EX
CODEC Coder/Decoder, hardware or software blocks that encode and/or decode
video or audio data.
commands set of tools that all Linux distrobutions share that can be used on the
terminal command line to make it do stu
Communication protocol e.g, Internet Protocal (IP) a set a rules to send and recieve internet
messages
Computational thinking A set of mental skills that help to de ne a problem in such a way that a
computer can solve it
Compute Module A Pi variant aimed at commercial customers; uses a di erent form factor,
facilitating use inside other products.
Computer network/Data network group of computer systems that are linked through communication
channels to facilitate resource sharing
Computer network/Data network group of computer systems that are linked through communication
channels to facilitate resource sharing
Computer program collection of instructions to do a certain task
Computer program collection of instructions to do a certain task usually executes it in a CPU
or Central Processing Unit
con guration how a system is set up
Console a version of the terminal that is always avaliable, and the rst thing you
see on pi

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Console a version of the terminal that is always avaliable, and the rst thing you
see on pi
console (system, computer, serial) physical device of comptuer and screen for text entry and display
Constructs The basic elements of a computer program (e.g. if/else statements)
Control ow The order in which a computer executes instructions
crossover cable a cable that connects two network client togehter so the computers dont
try to talk over each other
CSI Camera Serial Interface, a hardware interface for connecting cameras to
SoCs.
dd a command line utitlity that is used to convert and copy els
Debuging the process of going through a program's code to locate and x a
problem or mistake.
Decomposition Breaking a problem down into smaller, more manageable parts
Dependencies packages that rely on other packages to operate
Desktop environment software to make the GUI look pretty. GNOME and KDE are popular
desktop envioemnets
desktop envioemnets
desktop envioemnets
Device Tree (DT) A data structure for de ning hardware.
Device Tree blob (DTB) A binary le containing a Device Tree; the result of compiling DTS les.
Device Tree source (DTS) A human-readable source le to be compiled into a DTB.
DHCP Dynamic Host Con guration Protocol, a network management protocol
which dynamically assigns an IP address and other network con guration
parameters to each device on a network.
DHCP Dynamic Host Con guration
Protocol
a system on the network that tells the Pi how to connect
Digital making Creative projects requiring technical skill and understanding
Digital photos are known as bitmapped images
Digital signal A signal that is either on or o
Directoy the linux term for what Windows calls folders where els are stored
Directoy the linux term for what Windows calls folders where els are stored
distributions versions of Linux operating system
Distrobution A particular version of Linux. Pidora, Arch and Raspbian are distrobutions
DLNA Digital Living Network Alliance
DMT Display Monitor Timings
Domain Name Sytem (DNS) server converting names of networks into numbers reqired to access the
remote system
DPI Parallel Display Interface, an up to 24-bit parallel RGB interface via the
Raspberry Pi's GPIO pins.
DSI Display Serial Interface, a hardware interface for connecting LCD panels.

Headings De nations
Dt-Blob.bin A binary le containing initial GPIO con guration that is read by the
rmware at boot time; despite the name, this is not Device Tree blob
(although it is compiled by the Device Tree tools).
DVI Digital Visual Interface, a video interface for connecting a source device
to a monitor or display; electrically compatible with HDMI, so a simple
adapter can convert from one to the other (excluding audio, which DVI
does not support).
eke make somethng last longer by onsuming it frugally
embedded to put something such as a graphic into a program or on the internet
Embedded or Nested one piece of programming is contained within another.
emergency kernal second kernel for when the default kernel is not working
encoding type a certain repertoire of characters by some kind of an encoding system.
ESSID the SSID (Service Set Identi er) number of the network to which the
adapter is connected. Reads a "o /any" if none
Ethernet standard way to connect computers on a network with a wire connection
interface for connecting multiple devices likes computers, routers, and
switches
Ethernet: standard way to connect computers on a network with a wire connection
interface for connecting multiple devices likes computers, routers, and
switches
Ethos the characteristis sprit of a culture or era
-EX: A[[ u PS X and WIndows
NFS Example network attacted devices include
Executable a le that can be run as a program. Linux les must be marked exeutlable
in order to run
Executable a le that can be run as a program. Linux les must be marked exeutlable
in order to run
EXT2/3/4 THe EXTended le system, the most common le system used in Linux
EXT2/3/4 THe EXTended le system, the most common le system used in Linux
FAQ Frequently Asked Questions!
File system The wat a hard drive or other storage device is formatted so that its
ready for storage
le system content of the SD card
File system The wat a hard drive or other storage device is formatted so that its
ready for storage
rmware a sfotware bundle that lets the system address the USB wireless adapter
Firmware A Software bundle that lets the system address the USB wireless adapter
ashing installing the software manually
Flashing installing an operating system
Flat Cable Connectors a type of ribbon cable that connects things inside a computer but can be
used externally, usually connects disk drives to disk drive controllers
Flat Cable Connectors a type of ribbon cable that connects things inside a computer but can be
used externally, usually connects disk drives to disk drive controllers

Headings De nations
fork a version of a distrobution adapted by the community for a particualr
task
Fragment the value of the maximum fragment size, used on busy networks to split
packets up
GHz (unit) Gigahertz: 1 billion cycles per second
GID Group ID
GNOME one of the most common Linux desktop envioemnt
GNOME one of the most common Linux desktop envioemnt
GNU a free software project which provides many of the tools used in Linux
distributions
GNU A free software project which provides many of the tools used in Linux
distributions
GPIO General Purpose Input/Output, the programmable pins on the Raspberry
Pi.
GPU Graphical Processing Unit, a hardware device for handling graphical (and
related) tasks at high speed; on the Raspberry Pi range up to the Pi 3B+,
this is called the VideoCore4 (VC4), and is built into the SoC. On the Pi 4,
a newer and faster version called VideoCore6 (VC6) is used.
group allows memebrs to access tools in group
GRUB the GRand Uni ed Bootloader, created by GNU and used to load the
Linux kernel
GRUB the GRand Uni ed Bootloader, created by GNU and used to load the
Linux kernel
GUI A grpahical user interface, in whcih teh user operates the computer via a
mouse or touch
Hard Disc storage device for information for programs that works by magnetics
Hard Disc: storage device for information for programs that works by magnetics
Hardware physical parts of a computer system
Hardware physical parts of a computer system
hash le with .shal ending used to verify that a download didnt corrupt
HAT Hardware Attached on Top, a speci cation for designing devices to
attach to the Raspberry Pi.
HDCP High-bandwidth Digital Content Protection, an optional encryption
mechanism used for HDMI or DVI transmission.
HDMI interface for transferring uncompressed video data and compressed or
uncompressed audio data from a compliant source to a comparable
monitor
HDMI High-De nition Multimedia Interface, a standard interface for
transmitting uncompressed video and compressed or uncompressed
audio data from a source device to a display device.
hostname is teh name on it usees to identify itse on the network
How are kinds of languages
di erciated on a comand line?
en = international organization
How do you return the RP settings
to normal?
either delete the entire con g.txt le or delete the lines you chagned
and restart

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How much storage does a desktop
hard drive have?
4000GB (4TB) TB=terabyte
HTPC Home Theather for Personal Computer
HVS Hardware Video Scaler, a hardware block in the VC4 or VC6 GPU on all
Raspberry Pi models that is used for manipulating and displaying
bitmaps.
I/O system Input/Output system
I2C/I2C/IIC Inter-Integrated Circuit (pronounced I-squared-C), an electrical protocol
used for attaching lower-speed peripheral ICs to processors and
microcontrollers in short-distance, intra-board communication.
I2S Inter-Integrated Circuit Sound, an electrical serial bus interface standard
used for connecting digital audio devices together.
IDLE Integrated Devlopment Enviroment
IDLE opens up in "shell mode"
whcih means
anything you type in teh initial window will be immediately executed. To
get out of shell mode, just make a new le
IEEE computer society that puts out conferences and information and updates
and stands for Institute for Electrical and Electronic Engineers
IEEE computer society that puts out conferences and information and updates
and stands for Institute for Electrical and Electronic Engineers
If you are using RP as a
productivity tool, then you shoul
dput more memory in the _____.
CPU instead of the GUI
image le a means of storing data in a single le
In order for other o ce suite
packages to support the
LibreO ce format and for other
bene ts, the Libreo ce uses the
_____ format.
ODF
In order to have a le shared (as in
used simultaneously by multi
directoires) you should
link the le with a command in the terminal
input and raw_input as commands
are for ?
the user inserting a value that resutls in something. For example, if you
make a guess on a battleship game
Interface a shared connection between two things such a hardware device and a
computer or a human and a computer
Interface a shared connection between two things such a hardware device and a
computer or a human and a computer
Intergers are whole numbers only, so you cannot do a division command with a
simple / sign
IP address address for the reciveing and communicating of internet data. For
example if you get something of the internet you need an IP address to
be delivered to. Also, it is not a continuous connection. It is a one time
thing.
ISA Instruction Set architecture
ISA Instruction Set architecture

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ISP Imaging System Pipeline, a set of hardware (and sometimes software)
stages that processes images from a camera into a high-quality result;
the Raspberry Pi has a built-in hardware ISP that processes images
captured from a camera attached to the CSI port.
KDE Antoehr popular Linux desktop envieomtn
KDE Antoehr popular Linux desktop envieomtn
kernel brain or core that provides basic services to the operating system
Kernel brain or core that provides basic services to the operating system
kernel ring bu er portion of memeory used by Linux kernel to store its human readable
output
LAN Local Area Network, an Ethernet- or wireless-based communication
network in a localised area, for example a house or o ce.
LAN (Local Area Network) a computer network limited to a small area such a house
Python Leafpad is the GUI for?
LED Light Admitting Diode
LED Light-Emitting Diode, a semiconductor device that produces light using
electricity.
Libre O ce is a metapackage,
which means...
it comes bundled with many additional packages
Linux properly the kernel used by GNU/Linux. Popularly an open source
operating system
Linux The main operating system used on the Raspberry Pi; the particular
customised distribution for the Raspberry Pi range is called Raspbian;
third parties have also produced their own distributions.
Live CD A linux distrobution provided as a CD or DVD which dosent require
installation
Live CD A linux distrobution provided as a CD or DVD which dosent require
installation
locals information abotu your location
loopback interface that allos programs on teh Pi to talk to each other
LXDE Lightweight X11 Desktop Enviroment
mA milliamps
Mbps megabits per second
MBps megabytes per second
MBps megabytes per second, Measure of computer processor storage, Is equal
to 2^20 bytes
Mbps megabits per second, Measure of data transfer speed, One megabit is 1
million bits
MHz megahertz
Micro SD card removable memory card for storing information
Micro SD card removable memory card for storing information
Micro-controller a small computer that has a processor core, memory, and programmable
input/output peripherals

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Micro-controller a small computer that has a processor core, memory, and programmable
input/output peripherals
Midor teh default brower for the RP
moc music on console
Mode type setting of wirless newtwork to chose from
most RP can reach overclock
speeds of 800MHz but some can
reach what?
1000 MHz
mounting letting an operating system know about an external UMS
MQTT - MQTT stands for MQ Telemetry Transport, a lightweight and simple
machine-to-machine protocol often used for IoT devices; see the MQTT
website.
MSD Mass Storage Device (amongst other things), such as an SD card or hard
disk drive.
NAS network attached storage devices for sharing and streaming video music
and pictures
negotiation a device using its full power which is not a regular function of power
sources
netmask number that conntrols the size of the network
NIC network interface controller/card
NIC: network interface
controller/card
A computer hardware component that connects a computer to a
computer network
NOOBS way of setting up RP for the rst time
NOOBS - New Out of Box
software, easy OS system image
installation for the Raspberry Pi
range; note
NOOBS is no longer developed by the Raspberry Pi team, see PINN
instead.
Openbox desktop envioemnt used by LXDE GUI
Operator tells the computer what to do with inputs values and variables. (See
inputs values and variables.)
OTP One-Time Programmable, a type of memory that can only be
programmed once, and retains the programmed data after power o ;
used for serial numbers etc.
Output Data sent out by a program (e.g. sound from a speaker)
overclocking increasing a compoents clock speed to mkae it run faster than it was
desgined to
Overclocking a ects di rent RP
uniquely beucase of
natural variations in teh chip introduced during manufacturing
Overlay A boot-time or run-time patch to a Device Tree allowing a degree of
con guration by the user
overscan when RP is connect to a computer or TV and teh display screen is messed
up
overscan when teh pciture area is slightly smaller than the transmitted picture
overscan_right, frambu er_width,
and sdtv_mode are examples of
what?
commands used in the con g.txt le to modify the display

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Package a collection of les required to rrun an applicaiton, typically handed by
teh package manager
package bundles of software
package a piece of software ot a collection of di rent pieces of software
desgined ot work together
Package a collection of les required to rrun an applicaiton, typically handed by
teh package manager
Package manager a oool for keeping track of an intstalling new software
package manager a tool for manageing packaged software
Package manager a oool for keeping track of an intstalling new software
parlance a particular way of speking or using words
Parrellism In some computer languages it is possible to make the computer perform
more than one task at the same time.
parsed to have been analysed
Parsed to have been analysed
partition a section of a hard drive that is ready to have a le system applied to it
for storage
Partition a section of a hard drive that is ready to have a le system applied to it
for storage
Passive sensor Detects changes in the environment without actively sending out a signal
(e.g. a PIR sensor)
PCB printed Circuit Board (The RP itslef)
PCB printed circuit board; a board connecting electronic components
peripheral bus a bus for things like printers and hard drives
Peripheral bus a bus for things like printers and hard drives
pi and root user acccounts that are default on Raspbian (pi= normal root =
superuser)
piping using the less screen command
pixel units Example: 1920 x 1080 means 1920 pixles wide by 1920 tall
porting conferting software to make it suitable for di rent processors
Porting conferting software to make it suitable for di rent processors -EX
x86 software to ARMv6 processor
Program is a sequence of instructions (or algorithm) written in a language or code
that a computer can understand and put into action. A computer will do
exactly what it is told so a program must be accurate.
Programming language name given to one of the many ways in which a computer can be given
instructions in a program. Examples include C++, JavaScript, Logo, PHP,
Python and Ruby.
Programming paradigm A style or way of thinking about programming (e.g. object-oriented)
Protoboard A board which allows you to add components to a prototype circuit by
soldering or cutting strips
PSK (pre shared key) another name for a wi network's password
PWR (power) light light on teh RP that tells if the power is one

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RAM random aces memory
RAMFA Random Access Memory File System
Raspberry Pi Desktop A version of the LXDE desktop environment, speci cally tailored to the
Raspberry Pi (used to be called PIXEL).
Raspbian customised variant of the Debian Linux distrobution which is one of the
most prominate and popular distrobutions of Linux. (named after a guy
nmaed Ian and his gf Deb)
Raspi-Con g A command line tool for con guring Raspbian's operating system
features; see our o cial documentation.
raspivid, raspistill, raspiyuv,
raspividyuv
a set of applications to run the Raspberry Pi Camera Module in various
modes; see our o cial documentation.
Reducing the amount of memebr
can result in a
drop in performance
rendering the processing of an outline image using color and shading to make it
appear solid and three-dimensional.
Rendering the processing of an outline image using color and shading to make it
appear solid and three-dimensional.
respositories a place where software is stored that can be searched through seraching
a cache
restrictued user account provent syou from accidenally doing something to break RP's software
and prevents viruses and malware
RJ45 cable/port -Resistered Jack 45
root the main user accout in linux, equivalent to the Windows administrativor
acount. Also called the superuser
Root the main user accout in linux, equivalent to the Windows administrativor
acount. Also called the superuser
root le system Linux version of a "drive"
RPF - Raspberry Pi Foundation, the original, Uk-registered educational charity
(1129409) that launched the Raspberry Pi.
rpi-update A program you can run on a Raspberry Pi to download the very latest test
rmware and Linux kernel; there is no guarantee that the latest version
will work correctly, so you should only run rpi-update if recommended by
a Raspberry Pi engineer.
scanning process of nding/looking for a wireless network
Schematic A diagram or plan representing a circuit
Selection Choosing which code to execute based on a condition (if/else)
Sequencing Executing lines of code one after another
serial one piece at a time
Service Set Identi er (SSID) basically the netowrk name
set-top box processor a computer that can "talk" to the internet by having a broswer and an IP
address
Shell a text based command prompt, loaded in a terminal
Shell a text based command prompt, loaded in a terminal used for human
interaction, interpets inputs from a keybaord for example, is NOT on the
kernel but uses the kernal

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Since LibreDraw cannot be used to
edit bitmapped images (digital
photos), there is another program
called what?
Gimp
SoC System on a Chip, an integrated circuit that comprises all components of
a computer.
source code the computer language recipe that tells the system what to do
SPI Serial Peripheral Interconnect
SPI Serial Peripheral Interface bus, a synchronous serial communication
interface speci cation used for short distance communication.
SSD Solid State drive
SSH secure Shell
SSH Secure Shell, a cryptographic network protocol for operating network
services securely over an unsecured network; see our o cial
documentation or the Wikipedia article on SSH.
Subroutine A named set of instructions in a program (also referred to as a
function/procedure)
sudo a program that allows retrcted users to run a command as the root user
Sudo a program that allows retrcted users to run a command as the root user
system-on-chip (SoC) an integrated circuit that integrates all compoents
Terminal a text-based command prompt in whcih the suer interacts with a shell
program
Terminal a text-based command prompt in whcih the suer interacts with a shell
program
Test Mode settings on the RP
were used during what?
manufacturing to test the RP operations
the con g.txt le is located in the /boot directory
The LibreO ce packaage is large
and on older RP modles you must
resize the root le system
The rasberry pi member is split
between what two things?
the CPU (central processesing unit) and teh GUI (graphical user interface)
The RP's memory is small but
extremely
fast
The Scratch language is
multithreaded and object-
oriented, which means?
each object in teh program, inclduding sprites, can have its own code
attached and that section of code runs simultaneoulsy and
independently of other blocks.
The SoC on the has two option s
for audio output. What are tehy?
3.5 mm and the HDMI port
the SoC on the RP is great beucase
it does what with data?
stores it temporily on teh slower main memory and the processor itself
to improve performance
TLA Three-letter abbreviation, almost the entire reason for this glossary.
TLS Transport Layer Security, a cryptographic protocol used to supply
security over a computer network, often used to secure other protocols
such as MQTT.

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To run a le from IDLE or text
editor (which should be saved
under .py and not .txt) chosen
what option?
Run Module form the run menu or press F5
TP1 postiive (red) via for checking voltage
TP1/TP2 Test points.
TP2 negative (black) via for checking voltage
trackball type of input device that moves the curser with a ball
Tx-Power transmission power of the wireless adapted
UART Universal Asunchronous Reveiver Transmitter
UART Universal Asynchronous Receiver-Transmitter, a protocol for
asynchronous serial communication in which the data format and
transmission speeds are con gurable.
UID User ID
UMS USB Mass Storage Devices
Upcycle Using materials which otherwise would be thrown away in order to make
something of value
UPnP Universal Plug and Play
USB Universal Serial Bus
USB Universal Serial Bus, the main Raspberry Pi models have four USB sockets
for connecting USB devices, for example mice or keyboards.
utitliy software software desgined to help analyze con gue and optimize a computer
Variable A named area in memory where data is stored
VC4, VC6 The VideoCore4 or VideoCore6 GPU used on the Raspberry Pi; contains a
large number of hardware blocks that handle graphics, cameras, display,
CODECs, etc.
VESA Video Electronics Standards System
vias coppper-clad homes in the RP for testing voltage
Viedo from pi is a "source". There
are two sources. WHat are they?
local drives for the RP with the blue icon and network devices (Like NFS)
that have a red icon
virtual directories for accessing di rent portions of teh OS or hardware
VNC A graphical desktop sharing system that uses the Remote Frame Bu er
protocol (RFB) to remotely control another computer
Volt (V) SI-derived unit for electrical potential di erence.
voltage test poitns poitns on teh RP that will let you test the voltage of teh power for
troubleshotting
Watt A measure of power often used when specifying power supplies.
What are examples of types of
audio codexes?
AAC, MP3
What are examples of types of
video codexes?
H.264, VP8, MPEG-2
What are some advantages to a
RP?
low power, low cost, tiny package, high-resolution

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What are the three panes of the
Scratch interface?
block palette (command list), sprites (objects), and stage (place where
the it operates)
What does Apache do in the LAMP
stack?
provides the web server
What does LAMP stand for? Linux, Apache, MySQL, and PHP
What does Linux do in the LAMP
stack?
provides the underlying operating system
What does MySQL do in the LAMP
stack?
provides the database back-end
What does PHP do in the LAMP
stack?
provides a scripting language
What does the RP audio menu do? allows the option to force the Pi audio output to go via the HDMI path or
the other option which is the 3.5 audio jack
What i frambu er_width? changes the width of the console. for example, if your text was too small,
you might strethc it out
What is "cloud-based" software that does not live locally on your computer liek a regualar piece
of software but is stored on powerful servers located in data centres
throughout the world
What is a Codex? a two part commpression technology that has audio and video parts.
what is a headless server? a system taht runs without a GUI loaded. this is used for really memory
intensvie programs like WordPress
What is hdmi_drive one of teh hdmi commands
What is LibreImpress? the same as powerpoint
what is metadata? data that is keep intact when Gimp is saved with a XCF el instead of a
JPG le
What is on the con g.txt le
exactly?
inputs and outputs and at what speed teh BCM2835 chip runs
What is overscan_right? ignores a certain number of pickles to x oversight on the left side of the
screen
What is PNG? Portable Network Graphics
what is sdtv_mode adjusting the video output to t the devices of di rent countires
What is the default speek of the
core clock for general RP
perfromance (commmand code:
arm_freq)
700MHz or 700 Megahertz
What is the MySQL? it is a Relational Database Management System (RDBMS) that basically
sorts data recived into tabels and stores data
What is the name for Full HD
video?
1080p
What is the XBMC? a free, open source video player program that is now called Kodi
when changing settings, most
commands have a series of words,
an equal sign, and then a number.
This number is what?
the option you want out of the options in the setting. For example with
the chache memebr, Replace the 1 with a 0 and it lets the CPU use the
cache memory
When the LAMP is install and the
PHP script for the Apache is
tested, you can
create your own website whcih will be served byt eh RP

Showing 1 to 362 of 362 entries
Headings De nations
WordPress is one of teh most popular blogging platforms
WPA (Wireless Protected Access),
WEP (Wired Equivalent Privacy),
and WPS (Wi-Fi protected setup)
types of network protection
X11 The X Window system, a package that provides a graphical user interface
(GUI)
X11 The X Window system, a package that provides a graphical user interface
(GUI)
XBMC Video playing service on the RP
Zoho and ThinkFree Online are popular cloud based o ce suites simular to goggle drive. Zoho is more
for busienss and ThnkFree is almsot exatly like Google drive for FREE
Looking for Hosting?

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