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2. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   IP cameras or network cameras are digital video cameras, plus an embedded video server having an IP address, capable of streaming the video (and sometimes, even audio). [3] Because network cameras are embedded devices, and do not need to output an analogue signal, resolutions higher than closed-circuit television 'CCTV' analogue cameras are ...

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   CCTV security cameras can either store the images on a local hard disk drive, an SD card, or in the cloud. Recordings may be retained for a preset amount of time and then automatically archived, overwritten, or deleted, the period being determined by the organisation that generated them.

4. Sound card - Wikipedia

   en.wikipedia.org/wiki/Sound_card

   A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs. The term sound card is also applied to external audio interfaces used for professional audio applications.

5. Webcam - Wikipedia

   en.wikipedia.org/wiki/Webcam

   Webcam mounted on a building, used as a CCTV. Webcams can be used as security cameras. Software is available to allow PC-connected cameras to watch for movement and sound, recording both when they are detected. These recordings can then be saved to the computer, e-mailed, or uploaded to the Internet.

6. Slow-scan television - Wikipedia

   en.wikipedia.org/wiki/Slow-scan_television

   AVT is an abbreviation of "Amiga Video Transceiver", software and hardware modem originally developed by "Black Belt Systems" (USA) around 1990 for the Amiga home computer popular all over the world before the IBM PC family gained sufficient audio quality with the help of special sound cards. These AVT modes differ radically from the other ...

7. 13 Things You Should Never, Ever Carry in Your Wallet - AOL

   www.aol.com/finance/13-things-never-ever-carry...

   A Passport Card Similar to storing your social security card in your wallet, carrying your passport card daily could end poorly. Only pack this precious card for real-deal travel times.