In the international standard ASCII encoding, each character needs 7 bits of storage; however, in an ASCII string one byte (8 bits) is usually used for each character. Explain why this is done?

In the international standard ASCII encoding, each character needs 7 bits of storage; however, in an ASCII string one byte (8 bits) is usually used for each character. Explain why this is done?
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Welcome to ask-public. I don’t want to do your homework for you, but I will get you started. The extra bit is called a parity bit. If you don’t know what that means, you can do some Web searching to learn more. If you are still stuck, I can explain further.
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