Computer Peripherals

Which of the following are both input and output devices ?

• CD

• DVD

• Laser printer

• All of the above

The full form of LCD is ____________.

• Liquid Coral Display

• Liquid Crystal Display

• Liquid Crystal DVD

• Ladder Crystal Display

Which of the following are biometric devices ?

• Iris Recognition

• Smart fitting rooms

• Graphic tablet

• Brallie reader

Which of the following is the correct defination of RFID ?

• Radio Frequency Identification (RFID) refers to a wireless system comprised of two components: tags and readers. The reader is a device that has one or more antennas that emit radio waves and receive signals back from the RFID tag

• A RFID card is a type of card in which the data is embedded on an iron-based magnetic strip by modifying the magnetism of the particles on the strip. A RFID card is generally used in transportation tickets, identity cards, and credit cards

• A RFID headset is a heads-up display (HUD) that allows users to interact with simulated environments and experience a first-person view (FPV).
  

• RFID recognition is the ability of a machine or program to receive and interpret dictation or to understand and perform spoken commands. RFID recognition has gained prominence and use with the rise of artificial intelligence (AI) and intelligent assistants, such as Amazon's Alexa and Apple's Siri.

State whether this statement is true or false.

MICR devices are such as the Microsoft HoloLens, the original Google Glass, and various enterprise-level "smart glasses," are transparent, letting you see everything in front of you as if you are wearing a pair of clear glasses. The technology is designed for free movement while projecting images over whatever you look at.

• TRUE

• FALSE