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Chapter 1 - Digital Devices - Coggle Diagram
Chapter 1 - Digital Devices
IT Systems
refers to all hardware and software used for a particular purpose
small businesses may have a single IT system including several networked PCs, a server and several software packages for business tasks
large organisations may have hundreds of computing devices linked into a network with several sub-servers designed to carry out different functions
Multifuctional Devices
used for many different functions
Games Consoles
specialised computer system designed for playing interactive video games using a monitor, television or projector as display
can also be used for watching Netflix or browsing the web
Digital Cameras
can be used for both personal and professional use
can record video and take photographs
offers bluetooth connectivity
Video
can alternatively be used for slow motion and time-lapse effects
Dashcam:
in-car systems that record audio and video of a car journey. can be used for insurance claims.
some include parking mode that records when an impact is detected*
Security Cameras:
can be used for commercial businesses and for protecting homes
Traffic & Speed Cameras:
can be used for assessing traffic blockages, catching and reducing speeding cars
Entertainment Systems
such as a desktop computer being used to watch videos or movies while also playing videogames
Multifunctional Devices (2)
Servers
fast, powerful computer with extensive storage capacity
in an organisation with more than two or three computers, the machines will be networked with the server functioning as the network's printer server, file server, etc.
Data Capture & Collection Systems
Data Capture devices
include mouse, keyboard, touchscreen; any device that collects data entered.
Electronic Funds Transfer at Point of Sale:
electronic payment system for transfers using debit or credit card at payment terminals
Navigation Systems
can be used in cars, ships, aircraft and by individuals
they can
display maps; determine individuals location, position, speed and facing direction; provide verbal directions and provide information on traffic/obstacles and suggest alternate routes
Comparison:
Desktop vs. Laptop
Desktop
more powerful processor for lower cost
easier to modify and upgrade
screen is at eye level; improve user's posture
harder to steal
powerful GPU for image manipulation and editing
Laptop
less powerful processor and more expensive
have batteries; can be used wireless
built it peripherals
(speakers, microphone)
portable, used anywhere