messages

Cheat Sheet: Encryption

Cheat Sheet Both the sending and receiving computers need the same key to decrypt the messages passing between them. An example of this is the work that went on at Bletchley Park to decipher Nazi messages during World War II and one of Bletchley's machines...

Tags: encryption, cheat sheet, age, authority

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[28 Nov 2007]

Cheat Sheet: Push-to-talk

Cheat Sheet It will be about how they can use CDMA networks or GPRS extensions to GSM networks to carry voice messages. But can't I send voice messages anyway? They think teenagers will send messages back and forth where once they might have texted (prompting...

Tags: mobile

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[09 Sep 2004]

Cheat Sheet: VoIP

Cheat Sheet They work closely with your computer, so you could, for example, receive voicemail messages as email attachments or dial numbers by clicking on a name in your address book. VoIP? What's that stand for?

Tags: voice over ip

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[15 Jun 2004]