Session 1.1
- Compatible-to work together
- Discs- Magnetic or opticle storage devices.
- Drives -Component of a computer that allows CDs or DVDs to played.
- Files-Collection of data or instruction
- Full size QWERTY Keyboard- Same size as general keyboard
- GPS- Global Position System.
- Palmtops- Other name of Netbooks.
- Processing -Perform or carrying out a task.
- Programming-Manipulating (to do something with data)
- QWERTY - A keyboard with keys placed non-traditional typewriter order.
- Server Farm-Powerful Computer
- Storage -A device that keeps data.
- Touchscreen -An input device that allows the user to control by touching the screen.
- Web browser- An application that allows the user to view or interact pages from the internet.
- Wi-Fi -A system that allowing computer to connect to networks using wireless connection.
- Applications programs-Software that will carry out specific tasks on a computer.(Word,Excel)
- Hardware- The physical components of a computer system.(mouse,monitor,printer)
- Operating System-A systems software program that controls the entire operation of the computer as well as allowing interaction with the user.(Window, Apple OS)
- Peripheral device- Any piece of hardware connected to a computer outside of the CPU and working memory.
- Software-The programs, instructions and data that enables the computer to carry out a task.
- Backing storage- Devices that allow large amount of data to be stored outside the main memory.
- BIOS-Basic Input Output System. Start up code that enables the operating system to be loaded and the computer to start successfully.
- CMOS- Complementary Metal Oxide Semiconductor. A type of IC that holds data, such as BIOS, and which has its own power supply.
- Main memory-Memory chip(s) physically located very close to the processor, which holds programs of data that the processor needs immediately. [Central memory]
- Microprocessor- A special kind of CPU used in PCs, smaller computers and small computerized devices. [Washing machine]
- Secondary storage- Backing storage.
Keyword from Unit 1 Session 1.4:
Operating System (O/S) = a system software program that make
the computer work or set up the computer systems and allow the computer to run
the other programs e.g. window and mac are both operating system.
System software = the name given to the software such as
operating system and the other programs that control the computer system.
User interface = the way in which the user and the computer
works together. The design of the interface is important e.g. how do users
input data? How does software present information to the user?
Command Line Interface (CLI) = the type of user interface
where the user needs to type in a single line of text, which is a direct
command to the operating system.
Graphical User Interface (GUI) = the type of user interface
where the user controls the operation of the computer by using a pointing
device to select icons on the screen.
Icon = a small graphic or logo representing a piece of
software, a particular command or a function or a brand.
WIMP (Windows, Icons, Menu, Pointing device) = a type of
GUI.
Window = a temporary area opened on the screen displaying
the activity program. There can be several windows on the screen at any one
time.
Keyword from Unit 2 Session 2.1:
Computer system = the combination of hardware and software
that enables information to be input, processed and output in a suitable
format.
Analogue to digital converter (ADC) = a device that converts
analogue signals, like that produced by a sensor, to a digital signal, which a
computer can process.
Chip and PIN system = used in credit and debit card
transactions; a combination of a computer chip containing account information
and a secure PIN number to access it.
PIN (Personal Identification Number) = a secret number of
normally four digits used in secure systems such as banking and security
alarms.
ATM (Automated Teller Machine) = remotely connected to a
bank's computer system, it can dispense cash and provide account information.
EFTPOS (Electronic Funds At the Point of Sale) = the ability
to pay goods and services electronically, allowing direct computer access
between banks and service providers.
Resolution = the number of lines, pixels or dots within a
standard area. Used in computer monitors and printing, the higher the
resolution, the higher the quality or detail.
Voice command = a computer ability to react to voice
commands by processing words received by a microphone.
Voice recognition software = specialised software that can
recognise and interpret spoken commands. Used in dictation and hands free
systems.
Barcode = a row of vertical stripes of different
thicknesses, often with numbers, that can be read by a computer. Used to
identify products.
Streaming = the instantaneous viewing of a video (or
listening of a sound file) from an internet based source without having to
download the file first.
Video conferencing = using webcams or video cameras and
computers, usually linked together by the internet, to carry out a real-time
conversation across any distance.
CAD (Computer Aided Design) = software packages used in
design and engineering to plan and analyse anything from kitchens to
automobiles and architecture.
Keyword from Unit 2 Session 2.2:
Multimedia = the combination of sound, images, video and
animation to present information.
CRT (Cathode Ray Tube) = a type of computer monitor similar
to a television in the way it works; using an electron gun and glass tube.
TRT (Thin Film Transistor) = a flat panel display screen
used in computers and TVs.
Media player = a device that can play a variety of media
files, from films to music or digital photographs. Usually connected to a
television or display.
Direct input or Automatic input = the devices that doesn't
need to type the data into the computer by hands because the data will be
automatically put into the computer e.g. sensors, barcode readers etc. These
type of input devices are the new type that are use for big amounts of data
(fast and accurate).
Manual input = the old type of input devices that are uses
for to put small amounts of data into the computer by using hands for typing
(not so accurate and slow).
Keyword from Unit 3 Session 3.1:
Transactions = term to describe the electronic movement of
currency between one organisation, business or person to another.
Gigabytes = equivalent to 1,000 Megebytes (MB) of computer
information or 1,000,000,000 bytes.
USB (Universal Serial Bus) = a system devised to allow the
communication between different computer devices using a defined access port.
This connection method is used to connect devices such as printers, storage
devices, mobile (cell) telephones and digital cameras to a host computer.
eBooks = an electronic version of a printed document. Many
devices now habe the ability to view eBooks; from mobile (cell) phones to
tablet computers and specifically designed eBook readers that can mimic the
look of a traditional book using electronic paper.
Keyword from Unit 3 Session 3.2:
Corrupted = a file containing errors that were created while
transmitting, processing or accessing it. Errors can sometimes be corrected but
this depends on the amount of corruption.
RAID (Redundant Array of Independent Disks) = the use of
multiple hard drives to protect data in the event of a problem. The same data
can be saved to two drives at the same times; keeping a redundant backup.
Third party software = software freely provided or sold to
accompany a piece of software or hardware but not created by the original
manufacturer or developer.
Cloud computing = the
use of online based systems and programs that save information and files on a
remote server rather than a local computer. This allows a user to access the
same programs and files through an online portal, anywhere they have internet
access.
Linux = a free and open source operating system that
competes to be a genuine alternative to commercial operating systems like
Windows and Apple.
Keyword from Unit 4 Session 4:
Websites = the term
used to describe a group of pages designed to run together on the internet.
Webpages = the
individual pages of an internet website.
HTML (Hyper Text Mark-up Language) = a coding language developed to design the
layout webpages.
Tags = a web design
coding term used when specifying different visual elements from horizontal
lines to paragraph breaks.
HTML element = an
individual coding component that combines tags and content to create elements
such as a title or block of text.
Nesting= the coding
of one HTML element inside another.
Style = used to
define style attributes with HTML coding, colour or font options, for example.
Attribute = providing
additional information about an HTML element.
Keyword from Unit 4 Session 4.1 (Introduction to computer
networks: Hardware):
Bluetooth = a short range (approximately 30 metres) wireless
technology used in computers, moblie (cell) phones and portable devices.
Wi-Fi = a system allowing computers to connect to networks
using wireless communication.
Topologies = describes a common structure; used in computing
to describe network layouts such as star or bus.
Server = a network-enabled computer that provides services
to other computers on a network.
Keyword from Unit 4 Session 4.2 (Computer networks):
ISP (Internet Service Providers) = a company that provides
users access to the internet, usually for a regular fee.
Wireless Key = a password, usually made up of letters and
numbers, that allows compatible devices to connect to a wireless network.
Clients = computers that are connected to a network and
access shared material.
WAP (Wireless Access Points) = a device that allows other
wireless devices to connect to a network.
Wireless Repeaters = used bridge the gap between two devices
that aren't in range of each other.
NIC (Network Interface Card) = a hardware device required in
any computer wishing to connect to a network.
Boosters (amplifiers) = used to extent the range of a
wireless network by connecting to and amplifying network signals.
Routers = a device that connects different networks. This
may be two LANs or a home computer and the internet.
URL (Uniform Resource Locator) = the string of text, usually
starting with "www" that refers to the location where a webpage is
stored.
Proxy server = a server that allows multiple computers to
connect to the internet but can filter their access and cache pages for quick
access.
Firewall = a piece of hardware or software that provides a
controllable barriers between a network and external access. This is to protect
against hackers or other software from gaining unauthorised access to your
computer or network.
IP addresses = the unique identifiable address provided to
every computer on specific network.
