1/Digital Devices

• What is a multifunctional device?


  A device that can perform many different tasks.
• Give an example of a multifunctional device.


  Photocopiers with functions like printing, scanning, faxing.
• Name three other examples of multifunctional devices.

  Smart TV, Mobile phones, Tablets.
• What defines digital devices?


  Devices controlled by a microprocessor.
• Provide examples of single-function digital devices.

  Microwave, Digital radio, Alarm clock, Washing machine.
• What are the categories of digital devices?


  • Multifunctional devices
  • Mobile devices
  • Entertainment systems
  • Digital cameras
  • Navigation systems
• Which device can fit into most categories of digital devices?

  Smartphones.
• What is the definition of a personal computer (PC)?

  General-purpose computers for personal use.
• Name two examples of personal computers.

  Desktop, Laptop.
• What is an advantage of desktop computers?

  Easier to upgrade and expand, harder to steal.
• What is an advantage of laptops?


  Portable, batteries continue working if power fails, more power-efficient.
• What defines mobile devices?

  Devices like smartphones and tablets that are light and portable.
• What are the advantages of mobile devices?

  Fast to use, good for cloud apps, carry out work anywhere.
• How do businesses use mobile devices?

  For emails, apps (e.g., taxis, scanning receipts).
• What are entertainment systems used for?


  TV, radio, games, home cinema.
• What is an advantage of Smart TVs?

  Record programs, stream online content.
• What are servers?


  Powerful devices that serve multiple users (e.g., websites).
• Give examples of servers.

  Mail server (email), Web server (websites), Game server (multiplayer games).
• What is an example of a digital camera?

  Huawei P30 Pro (2019) with 40MP camera, 5x zoom, good low-light photography.
• How do standalone cameras compete with phone cameras?

  On zoom and image quality.
• What is the function of navigation systems (GPS)?

  Plan routes, avoid traffic using signals from satellites.
• How does GPS locate devices on Earth?

  Uses at least 3 satellites.
• What is the definition of data capture devices?

  Devices that collect data electronically.
• Provide examples of data capture devices.

  GPS receiver, Credit card reader, ANPR camera.
• What are other examples of data capture devices?

  • Barcode readers
  • Biometric scanners (fingerprint, iris)
  • NFC devices
• What are examples of communication devices?

  Computers, Mobile phones, Tablets.
• What are the connection types for communication devices?

  Wi-Fi, Network cables, Routers, Bluetooth.