COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT DEVICES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
An reading device that uses laser beams to read bar codes by using lights patterns that pass through the bar code lines.
|
|
|
A reading device that uses a light source to read characters, marks and codes and then converts them into digital data that a computer can process.
|
|
|
A reading device that uses radio signals to communicate with a tag placed in or attached to an object, an animal or a person.
|
|
|
A reading device that reads magnetic stripes on the back of cards.
|
|
|
A reading device that reads text printed with magnetized ink.
|
Detailed explanation-1: -A magnetic stripe card reader is equipped with a device called solenoid that can control the magnetized particles in a card’s stripe.
Detailed explanation-2: -A magnetic stripe reader is a device designed to read the information stored within the magnetic stripe of special cards such as credit cards and ATM cards. The magnetic stripe is usually located on the back of the card or badge and contains the account details of the person who owns the card.
Detailed explanation-3: -These tracks contain the credit card account number, name, expiration date, service code, and card verification code. Credit cards primarily or exclusively use the first two tracks. The third track sometimes contains additional information such as a country code or currency code.
Detailed explanation-4: -A magnetic strip reader is an input device which reads data from a magnetic strip card. The magnetic strip is usually found on the back of the card. The magnetic strip can hold personal details such as account number, name, account balance and sequential number (transaction record number).
Detailed explanation-5: -A magnetic card reader is a device used to read magnetic stripe cards, such as credit cards.