Which of the following devices or software is commonly used for wireless file transfer within a small range?

Correct option is B

Bluetooth is a technology used for wireless file transfer within a short range, typically up to 10 meters. It allows devices like smartphones, laptops, and tablets to share files, photos, and data without needing cables or a physical connection.
Important Key Points:
1. Bluetooth provides wireless connectivity for file sharing between devices over short distances.
2. It is widely used in mobile devices, laptops, and even peripheral devices like headphones and speakers for wireless communication.
Knowledge Booster:
· USB Cable requires a physical connection for data transfer and does not offer wireless capabilities.
· Ethernet is used for wired networking and does not facilitate wireless file transfer.
· HDMI is used to transmit audio and video signals, not for file transfer.
· CD-ROM is a physical medium used to store data but does not support wireless transfer.