Q.1
Which device converts images into digital data?
  • Microphone
  • Monitor
  • Pixelator
  • Scanner
Q.2
Which device converts sound into data?
  • DVD player
  • Loudspeaker
  • Microphone
  • MP3 player
Q.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
Q.4
The magnetic stripe on a credit card is read by a .......
  • magnetic card reader
  • magnetic domain reader
  • magnetic stripe reader
  • stripe reader
Q.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
Q.6
Microphones can input sound, however .......
  • the microphones must have a 'Digital' sticker
  • the microphones must have optical inputs
  • the microphones need digital to analog converters
  • the sound needs converting to digital via a soundcard
Q.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
Q.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
Q.9
Which of these is not an input sensor?
  • Life-form sensor
  • Light sensor
  • Moisture sensor
  • Photo-transistor
Q.10
Computers with MIDI can input data from .......
  • car engine diagnostic sensors
  • digital radio broadcasts
  • Met Office weather sensors
  • musical keyboards
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