3/ Peripheral Devices & Media

• What is an input device?

  A device that sends information to a computer
• What are three examples of input devices?

  Keyboard, mouse, microphone
• What is an output device?

  A device that receives information from a computer and shows it to you
• Name three examples of output devices.

  Monitor, printer, speakers
• What are some examples of input devices?

  • Digital camera
  • Webcam
  • Scanner
  • Microphone
  • Graphics tablet
  • MIDI keyboard
  • Trackball
  • Game controllers
  • Bar code readers
• What are some examples of output devices?

  • Printers
  • Projector
  • 2nd display/monitor
  • Headphones
  • Speakers
• What is an input/output device?

  A device that can both send and receive information
• What is an example of an input/output device?

  Touch screen
• What was WAYMO originally known as?

  Google’s Self-Driving Car project
• In what year did WAYMO start taking passengers in Phoenix, USA?

  2018
• What is the significance of the 6 million miles driven by WAYMO?


  It demonstrates the extensive testing and reliability of the self-driving technology
• What type of car was built by Jaguar for WAYMO?

  A self-driving car
• What are two input devices used in self-driving cars?

  Lidar and radar
• What are two output devices used in self-driving cars?

  Motor and indicator lights
• What year was the Amazon Echo released?

  2014
• What is the primary function of the Amazon Echo?

  It is a voice-controlled smart speaker
• How many microphones does the Amazon Echo have?

  7 microphones
• What are the important features of storage devices?

  • Capacity: How much data it stores
  • Speed: How fast data is transferred
  • Cost: How expensive it is
  • Durability: How strong it is
  • Reliability: How often it fails
  • Portability: How easy to carry it is
• What is a characteristic of magnetic hard disks?

  They have large capacity
• How do solid state hard disks compare to magnetic hard disks?

  They are faster, more durable, reliable, and portable
• What is the storage capacity of a CD?

  700 MB
• What is the storage capacity of a DVD?

  5 GB
• What is the storage capacity of a Blu-ray disc?

  25-50 GB
• What is a disadvantage of optical media?

  They can be easily scratched
• What is magnetic tape primarily used for?

  Backups
• What is a key advantage of magnetic tape?

  It stores up to 15 TB for a low cost
• What is an ergonomic keyboard designed to do?

  Reduce hand strain
• What does speech recognition technology allow users to do?

  Type with voice
• What is the purpose of text-to-speech software?

  It reads text aloud
• What is the difference between manual and automatic data processing?

  • Manual data processing: Entering data by hand
  • Automatic data processing: Computers process data
• What is a benefit of automation in data processing?

  It saves time and reduces human error
• How does automatic data processing improve accuracy?

  By reducing human error