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Message authentication code. In cryptography, a message authentication code ( MAC ), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity -checking a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity).
The ability to recall or unsend an email is not available in AOL Mail, because we provide a web-based service which sends messages instantly and once you send an email message, it's gone from your email server and out of our control. If you're unsure about sending an email, save the message to think things over, then send it later.
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MacBook Pro MacBook Pro (16-inch, 2021). This image does not show the notch at the top of the screen. Developer Apple Manufacturer Foxconn Pegatron Product family MacBook Type Laptop Release date January 10, 2006 ; 18 years ago (2006-01-10) Operating system macOS System on a chip Current: Apple M series CPU Intel Core: Duo, 2 Duo, i5, i7, i9 (discontinued, 2006–2021) Predecessor PowerBook ...
The FDA is investigating three companies selling apple cinnamon puree baby food pouches after reports of acute lead toxicity in children. Consumers are advised to avoid the recalled products until ...
MAC anesthesia. MAC anesthesia — also called monitored anesthesia care or MAC, is a type of anesthesia service during which a patient is typically still aware, but very relaxed. The amount of ...
Search for messages in AOL Mail. Learn how to quickly find emails, attachments, photos, calendar invites or search the web using Search feature in AOL Mail. Mail · Apr 12, 2024. Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or ...
Macintosh SE/30. The Macintosh II is a personal computer designed, manufactured, and sold by Apple Computer from March 1987 to January 1990. Based on the Motorola 68020 32-bit CPU, it is the first Macintosh supporting color graphics. When introduced, a basic system with monitor and 20 MB hard drive cost US$5,498 (equivalent to $14,750 in 2023).