AT

1. Short for Advanced Technology, AT is an IBM computer first introduced in 1984. The base model AT computer contained an 80286 processor, 256k of RAM and a 1.2MB floppy disk drive. The AT was also available with 512k of RAM and a 20Mbyte disk drive. Today, an AT-Class system is any computer with a 16-bit, 32-bit, or 64-bit system. Earlier computers (8-bit) were known as PC/XT-class systems. All new computers used today are considered AT-Class computers and you're not likely to encounter earlier computers. A PC/XT-class computer can be identified if it is using the older 8-bit ISA expansion slot.

2. Another name for the Full AT motherboard.

 

3. Ampersat, arobase, asperand, AT, AT sign, or AT symbol is the name of the " @ " symbol found above the two on a standard U.S. keyboard. When describing an e-mail address, it may be described as "support - at - computerhope - dot - com", which is the same as support@computerhope.com. This symbol is also used in computer programming to identify an array. To create this symbol hold down the shift key and press the number 2 at the top of the keyboard.

Computer users in other parts of the world, such as Italy can find the @ symbol on a different key. In the below picture is a keyboard key with the @ symbol on the same key as the Ç and Ò key. To use this key hold down the Alt key and then press the key.

• Computer keyboard keys and explanations.

4. Windows command line command. See the at command page for additional information about this command.

5. Linux command. See the Linux at command page for additional information.

6. Modem strings used to initialize and control a computer modem. See the Modem AT commands page for a listing of the basic Hays compatible legacy modem AT strings.

8. AT is short for Azores Time.