Peripherals(Comptia Objective) 3.6

Question 1

AIO means what

Answer 1

• All In one Device. E.G. A printer that is also a scanner, a fax machine and photocopier.

Question 2

A QR code or Bar Code Reader has what options to communicate

Answer 2

• Commonly communicates over serial connection or USB or 802.11 Wireless
• Or with your phone using the built in camera.

Question 3

Digital projectors often use what kind of lamp?

Answer 3

• Metal Hallide. Known to be very bright and generate a lot of heat.
• Also very expensive.

Question 4

What is a KVM?

Answer 4

• Keyboard, Video, Mouse

- Use many computers with a single Keyboard, Video and Mouse by switching devices inside of software.

Question 5

How is a magnetic reader/ chip reader often connected?

Answer 5

• Over USB.

Question 6

What is a smart card Reader and what is it used for?

Answer 6

• Card with embedded circuitry used in payment cards and identification cards
• Useful form of authentication on a computer or laptop, can be used to login instead of a username or password.