Unit 1 Information Technology Systems

Unit 1 Information Technology Systems

1. servers

   • file
     • central storage location
     • allows multiple users to access and share files
     • used in places like schools offices and business networks
   • application
     • runs and manages software applications
     • handles the logic and processing behind the app
     • allows users to interact with it through a client device like a web browser
   • web
     • uses protocols like HTTP or HTTPS
     • hosts and delivers websites
     • can be either physical hardware or run on cloud
     • sends ... to clients
       • HTML
       • CSS
       • JavaScript
       • Images and Videos

2. personal computers ( PC )

   • a computer device that is used for personal use
     • used for things like browsing the internet, browsing the internet and communicating with others
   • consits of hardware components like a mouse and keyboard

3. Multi Functional Devices (MFD)

   • piece of hardware that has multiple functions for one unit
   • Known as AIO ( All in one ) Example AIO printer and AIO smartphone

4. Mobile Devices

5. digital cameras

   • a digital camea is a device that captures photographs and videos on a digital form. Rather than film, digital cameras store on memory cards which could be transferred to computers
   • Examples
     • DSLR ( digital single lens reflex) used professionaly with a detachable lens
     • compact cameras mainly used for personal use very lightweight and portable lens is not detachable
     • smartphone cameras
       • built into mobile phones
   • Key features
     • lens and image sensor to capture image digitally
     • LCD to review image or video taken
     • storage using memory cards
     • connectivity options
     • ability to capture both videos and images

6. navagation systems

   • A navagation system is a device that uses GPS technology to determine a users location and provide directions to a chosen destination
   • Examples In-car Sat Nav Systems Smartphone navagations e.g. Google Maps
   • Key Features
     • GPS receiver to calculate positions using satellite signals
     • Interactive Maps showing routes
     • turn by turn detailed directions
     • ability to calculate the fastest or easiest route
     • Include Traffic Updates
     • Ablity as in car sat nav or on smartphones