When letters were added to telephone rotary dials, which word could NOT have been spelled out?
- Quiz:When telephone numbers became longer than five digits, there was a fear that consumers would have a difficult time memorizing phone numbers, so each number from 2 to 9 was assigned three letters. Because the digits 0 and 1 had defined functions, no letters were assigned to those numbers. At the time, the letters Q and Z were the only two letters not utilized. It’s believed that Q and Z were omitted because they look too similar to 0 and 2. If you look closely at a old-style rotary phone, you’ll discover that the keypad lacks the letters Q and Z.
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