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32
Computer Science
10th Grade
10/07/2016

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Term
Hardware
Definition
The physical parts of a computer such as a monitor or motherboard.
Term
Software
Definition
Internal parts such as operating systems that run a computer.
Term
CPU
Definition
The central processing unit is a single microchip which acts as the brain of the computer
Term
Periphiral devices
Definition
These are any input, output or devices, connected to the I/O ports.
Term
ROM
Definition
This is permanent memory that can never be changed by a program or user.
Term
RAM
Definition
Random access memory which is stored temporarily in things like application and the operating system of a computer.
Term
Cache
Definition
This is a block of extra fast ram that is located on the CPU.
Term
Flash memory
Definition
flash memory is equivalent to RAM but non-volatile.
Term
Cloud storage
Definition
Storing data such as documents, photographs and music, remotely accessing it over the internet.
Term
Usb interface
Definition
Universal serial bus is an industry standard for connecting one computer.
Term
Memory
Definition
The state and capacity of a computers RAM.
Term
Spreadsheet
Definition
A spreadsheet is software suitable for managing information in a table format.
Term
Anti-Virus
Definition
Anti virus software scans for, detects and removes programs that try to gain access to your computer and change it.
Term
Database
Definition
A database is a computerized filing system. It is a collection of data designed for easy searching and retrieval
Term
simulation software
Definition
Simulation software allows the user to imitate a process to see how it would behave in the real world
Term
CAD
Definition
Computer Aided Design is a software that helps you to create detailed technical drawings of pictures so that they can be made easily.
Term
CAM
Definition
Computer Aided Manufacture refers to machines such as a 3D printer which manufacture objects for you with ease.
Term
CNC
Definition
Computer Numerical Control uses numerical data to automate various machining operations
Term
3d printing
Definition
This allows a 3D model or drawing be input into a computer and produced as an actual object
Term
Web browser software
Definition
These allow you to access the World Wide Web
Term
URL
Definition
A uniform Resource locator is the code which allows you to access a website
Term
Http
Definition
This is the set of communication rules set for accessing a website and is unsecure
Term
Https
Definition
This is the secure communication rules for accessing a website.
Term
Proprietary software
Definition
People must pay to use this software and do not have access to the software's source code.
Term
Free Software
Definition
this does not require payment but may not allow users to access the source code.
Term
Open-source software
Definition
this allows users to access and distribute source code but is also free.
Term
WiFi
Definition
This is local area wireless technology that allows an electronic device to exchange data or connect to the internet without direct physical connection
Term
Cookies
Definition
Cookies are pieces of web data that are stored on a users computer by the web browser.
Term
Computer crime
Definition
these are crimes committed on a computer
Term
Malicious software
Definition
Software designed to gather or disrupt sensitive info.
Term
Phising
Definition
An attempt to commit fraud to require somebody else's private information
Term
Optical Fibres
Definition
Flexible strips of reflective glas or plastic which transmit pulses of light rather than eletrical signals.
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