Data Input 02

1. Which device converts images into digital data?

   • Microphone
   • Monitor
   • Pixelator
   • Scanner

2. Which device converts sound into data?

   • DVD player
   • Loudspeaker
   • Microphone
   • MP3 player

3. Credit cards have a magnetic stripe on the back .......

   • to record how much money is left in the account
   • to stop the wrong person using the card
   • to store fingerprint details of the account holder
   • to store information to identify the account holder

4. The magnetic stripe on a credit card is read by a .......

   • magnetic card reader
   • magnetic domain reader
   • magnetic stripe reader
   • stripe reader

5. Credit cards have a microchip added because .......

   • chips can hold much more data about the customer
   • the chips store encrypted data reducing counterfeiting
   • the chips store encrypted data which stops fraud
   • these cards make credit card fraud impossible

6. Microphones can input sound, however .......

   • the microphones must have a 'Digital' sticker
   • the microphones must have optical inputs
   • the microphones need digital to analogue converters
   • the sound needs converting to digital via a soundcard

7. Banks often use a MICR device. This stands for .......

   • Magnetic Ink Character Reader
   • Micro Ink Computer Reader
   • Micro Interface Computer Reader
   • Multi Intelligent Core Responder

8. Sensors are hardware devices which .......

   • detect real-world properties and converts them to data
   • detect what is happening in the software
   • flash when there is an error detected
   • make sure that any input data is valid

9. Which of these is not an input sensor?

   • Life-form sensor
   • Light sensor
   • Moisture sensor
   • Photo-transistor

10. Computers with MIDI can input data from .......

    • car engine diagnostic sensors
    • digital radio broadcasts
    • Met Office weather sensors
    • musical keyboards

Quiz written by D. Daish