Digital Devices Flashcards
Personal Computers
Designed for individual use
Small and Cheap
Individual CPU, RAM, Hard Disk and Expansion Ports
Servers
Used to manage access to different resources and services over a network.
Have a larger storage capacity, higher processing power and larger amount of memory compared to computers.
How do devices connect to a server?
Ethernet cable
Wi-Fi
More
Web Servers
Store the web page and files.
Computer requests a site -> server locates files -> sends back to the computer
Mail Servers
Sent email to the outgoing server -> Recipients mail server mail box -> Logs on -> sent to their computer
File Servers
Store files so they can be accessed on any network
Print Servers
Used to share access to a printer
Mobile Devices
Portable - compact, light-weight and extended battery.
System-On-A-Chip = makes it difficult to upgrade
Entertainment Systems
Designed to entertain.
Good hard disk storage.
Internet Connectivity
Navigation Systems
GPS - real-time location
Route planning tools, traffic, road works and accident identification
Multi-functional Devices
Perform more than one function - input and output
Digital Cameras
Record photos and videos as digital data.
Memory slot for transferring photos.
Data Capture and Collection Systems
Systems that input and store data through methods that aren’t direct entry
OMR
Optical Mark Readers - lottery tickets
Barcodes
Inputting items into the till