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Questions and Answers

What type of keyboard does not have a physical presence?

Laptop keyboards

Virtual keyboards (correct)

Traditional keyboards

Thumb keyboards

What is a common feature of optical mice?

Requires a surface to function

Uses radio waves or infrared light waves

Emits and senses light to detect mouse movement (correct)

Has moving parts

What is a characteristic of touch screens?

Can be touched with more than one finger (correct)

Uses a stylus for input

Common on desktop computers

Can only be touched with one finger

What is the primary function of a gaming controller?

Provide input to computer games Signup and view all the answers

What type of scanner is commonly used in grocery stores?

UPC scanners Signup and view all the answers

What is the primary function of RFID readers?

Read information from tiny chips embedded in objects Signup and view all the answers

What is the primary function of an RFID reader?

To read information on a tag via radio waves Signup and view all the answers

What technology is used by banks to read encoded characters on checks?

Magnetic-ink character recognition (MICR) Signup and view all the answers

What is the typical range of NFC technology?

One inch or less Signup and view all the answers

What is an example of a service that uses NFC technology?

Both A and B Signup and view all the answers

What is the primary application of Optical-mark recognition (OMR)?

Scoring tests Signup and view all the answers

What is a common use of RFID technology in a sports event?

Tracking times of runners in a marathon Signup and view all the answers