Question

Q. 19 What is roaming ?​

Answer 1

Answer:

Roaming means that the user jumps between different mobile networks, when you're abroad where your own carrier doesn't have coverage to call, text or use mobile data. ... The word originates from the meaning to roam around, but is more often used in the technical sense.

Explanation:

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Answer 2

ʀᴏᴀᴍɪɴɢ ᴍᴇᴀɴꜱ ᴛʜᴀᴛ ᴛʜᴇ ᴜꜱᴇʀ ᴊᴜᴍᴘꜱ ʙᴇᴛᴡᴇᴇɴ ᴅɪꜰꜰᴇʀᴇɴᴛ ᴍᴏʙɪʟᴇ ɴᴇᴛᴡᴏʀᴋꜱ, ᴡʜᴇɴ ʏᴏᴜ'ʀᴇ ᴀʙʀᴏᴀᴅ ᴡʜᴇʀᴇ ʏᴏᴜʀ ᴏᴡɴ ᴄᴀʀʀɪᴇʀ ᴅᴏᴇꜱɴ'ᴛ ʜᴀᴠᴇ ᴄᴏᴠᴇʀᴀɢᴇ ᴛᴏ ᴄᴀʟʟ, ᴛᴇxᴛ ᴏʀ ᴜꜱᴇ ᴍᴏʙɪʟᴇ ᴅᴀᴛᴀ. ... ᴛʜᴇ ᴡᴏʀᴅ ᴏʀɪɢɪɴᴀᴛᴇꜱ ꜰʀᴏᴍ ᴛʜᴇ ᴍᴇᴀɴɪɴɢ ᴛᴏ ʀᴏᴀᴍ ᴀʀᴏᴜɴᴅ, ʙᴜᴛ ɪꜱ ᴍᴏʀᴇ ᴏꜰᴛᴇɴ ᴜꜱᴇᴅ ɪɴ ᴛʜᴇ ᴛᴇᴄʜɴɪᴄᴀʟ ꜱᴇɴꜱᴇ