Interfaces
A short-range wireless communication that uses radio frequency to allow devices to communicate with each other.
What is Bluetooth?
Bluetooth was designed to form a ____ or piconet of devices.
What is Wireless Personal Area Network (WPAN)?
Name two contactless payment systems.
What is Apple Pay, Google Pay, Samsung Pay?
Name two examples of IR technology.
What are electronic device remotes and set top boxes
Uses electromagnetic radio fields to establish a limited data transfer between two devices - initiator and target. Used for contactless payment systems.
What is Near Field Communication (NFC)?
Devices must be within this range to communicate using Bluetooth.
What is 10 meters (30 feet)?
NFC provides a ___-way, secure encrypted method of transferring sensitive data.
What is two-way?
For device communication, there can be interference between devices. True or False.
What is False?
A line-of-sight technology that uses a light to transmit digital data instead of radio frequencies.
What is Infrared (IR)?
Process used to connect devices via Bluetooth.
What is Pairing?
Distance between devices to be able to communicate wirelessly using radio-frequency identification (RFID)?
What is 20 cm or 18 inches?
These two technologies have mostly replaced IR in portable computing likes PDAs, early wireless printers, and digital cameras.
What is Wi-Fi and Bluetooth?
This technology is most frequently encountered in electronic device remotes for TV or set top boxes.
What is Infrared (IR)?
This Bluetooth version supports data rate up to 25 Mbps and uses Bluetooth Low Energy (BLE for low power devices.
What is Bluetooth 4.x?
Can also be used to establish these two types of connections and transfer settings between compatible smartphones and tablets.
What is Bluetooth and Wi-Fi?
The most common Infrared frequency.
What is Modulate 38KHz?
Similar to Wi-Fi, operates in the 2.4 GHz frequencies, but are not compatible with each other.
What is Bluetooth?
A tiny network of up to eight devices using Bluetooth technology that uses a master/slave relationship.
What is piconet?
Reduced maximum range between devices for increased security.
What is 4 to 5 cm (or less than 2 inches)?
The most common standard with a max data transfer speed of 4Mbps.
What is IrDA-1.1?