Summary of the requirements set out in the IEB subject assessment guidelines (SAGS) for Computer Applications Technology. These notes were made directly related to topics in the SAGS including System Technologies - which is based on hardware and software, Internet connections and Networks (includin...
ACRONYMS
3G Third Generation
4G/LTE Fourth Generation/Long-Term Evolution
ADSL Asymmetric Digital Subscriber Line
AP Access Point
APA American Psychological Association
ATM Automated Teller Machine
AUP Acceptable Use Policy
Bcc Blind Carbon Copy
BIOS Basic Input/Output System
CAD Computer-Aided Design
CAPTCHA Completely Automated Public Turing test to tell Computers and Humans Apart
Cc Carbon Copy/Courtesy Copy
CD Compact Disc
CD-ROM Compact Disk Read-Only Memory
CPU Central Processing Unit
CSV Comma Separated Values
CV Curriculum Vitae
DIMM Dual In-Line Memory Module
DLP Data Loss Prevention
DM Direct Message
DPI Dots Per Inch
DSL Digital Subscriber Line
DSLR Digital Single-Lens Reflex
DVD Digital Versatile Disk
DVI Digital Visual Interface
EFT Electronic Funds Transfer
EMI Electromagnetic interference
EULA End User License Agreement
FAQ Frequently Asked Questions
FFTB Fibre to the business
FTP File Transfer protocol
FTTH Fibre To The Home
Gbps Gigabits Per Second
GHZ Gigahertz
GIF Graphics Interchange Format
GIS Geographic Information System
GPS Global Positioning System
GPU Graphics Processing Unit
GUI Graphical User Interface
HAN Home Area Network
HD High Definition
HDD Hard Disk Drive
HDMI High-Definition Multimedia Interface
HSDPA High-Speed Downlink Packet Acces
HTML Hyper-Text Markup Language
HTTP Hypertext Transfer Protocol
HTTPS Hypertext Transfer Protocol Secure
I/O Input/Output
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,Created by: Cassandra Hanscombe Matric 2022
ICT Information And Communication Technologies
ID Identification
IM Instant Message
IP Internet Protocol
ISO International Organization For Standardization
ISP Internet Service Provider
Kbps Kilobits Per Second
LAN Local Area Network
LCD Liquid Crystal Display
LED Light-Emitting Diode
Mbps Megabits Per Second
MICR Magnetic Ink Character Recognition
MMORPG Massively Multiplayer Online Role-Playing Game
MP Megapixels
MP3 Mpeg Audio Layer-3
NFC Near Field Communication
NIC Network Interface Card
NSP Network Service Provider
OCR Optical Character Recognition
OMR Optical Mark Recognition
OSS Open-Source Software
PAN Personal Area Network
PAT Practical Assessment Task
PC Personal Computer
PDA Personal Digital Assistant
PDF Portable Document Format
PIN Personal Identification Number
POS Point Of Sale
QR Quick Response’
RAM Random Access Memory
RFID Radio-Frequency Identification
RGB Red, Green, Blue
ROM Read-Only Memory
RSI Repetitive Strain Injury
RSS Really Simple Syndication’
RTF Rich Text Format
SAN Storage Area Network
SD Secure Digital
SIM Card Subscriber Identification Module Card
SIMM Single In-Line Memory Module
SMS Short Message Service
SSD Solid State Drive
UPS Uninterruptible Power Supply
URI Uniform Resource Identifier
URL Uniform Resource Locator
USB Universal Serial Bus
UTP Unshielded Twisted Pair
VGA Video Graphics Array
VIC Video Interface Controller
VOD Video On Demand
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, Created by: Cassandra Hanscombe Matric 2022
VoIP Voice Over Internet Protocol
WAN Wide Area Network
WIFI Wireless Fidelity
WLAN Wireless Local Area Network
WPA Wi-Fi Protected Access
WWW World Wide Web
FILE EXTENSIONS
Program or type of program associated with
File type File extension
the file
Graphics/Pictures jpeg, jpg, bmp, Any graphics program (including Paint)
gif, wmf, tiff
png
Office docx, xlsx, Microsoft Office files for Word processing (Word),
pptx, accdb spreadsheets (Excel), presentations (PowerPoint)
and databases (Access).
Audio mp3, wav, cda, wma Any media player program such as Windows
Media Player.
Video mp4, mpeg Any media player program such as Windows
asf, wmv, avi Media Player or video editing software.
Program exe, com These are actual programs, not data files, that run
when opened.
Portable Document pdf Can be opened with Adobe Reader, or on the
format web
Compressed zip, rar Programs that can compress / decompress files
and folders, such as WinZip and WinRAR.
(Plain) text txt Text files can be opened by any word processor
or text editor such as WordPad or Notepad.
Rich Text Format rtf Rich text format supports more text formatting
than plain text format and supported by most
word processors.
Hypertext Mark-up html, xhtml A web page which can be opened in a web
Language browser. HTML is used to define the structure and
layout of a web page.
TERMINOLOGY
Term Description / Definition
3D Printer Printer that allows one to create physical three-dimensional objects from designs created on
a computer using CAD or 3D modelling software.
3G / 4G (LTE) Generations of mobile (cellular) phone technology that consists of a high-tech
infrastructure of networks and web 3G/4G-enabled handsets such as smartphones. 4G is
also known as LTE.
802.11 a/b/g/n Specification used to indicate whether a device has a wireless adapter (for WiFi). The
letters indicate the speed that the wireless network is capable of.
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