Flashcards
Ict flash cards
Flashcards do conjunto (8)
- 1Personal Digital DevicesSynchronizing: When two digital devices, such as media player and a computer are connected they can automatically exchange data.
Digital Rights Management(DRM): many files include drm software to prevent you making copies of audio and video files you have downloaded on to your personal media player. The DRM software may also prevent transfer to other digital devices that you own. It is to protect the copyright holder by preventing illegal copying. - 2ConnectivityEncryption: Scrambles data so that only computers with the right key can read it. the commonest form of protection for wireless networks is WEP, but WPA-PSK and WPA2 are more secure and are becoming more popular.
Bandwidth: Is the number of bits that can go through the network connection in 1 second. it is measured in bits per second(bps).
Latency: Is the time in milliseconds between a bit leaving one device and arriving at the other. it is measured in milliseconds (ms).
VoIP: Voice over internet protocol is the set of rules for transmitting audio messages over the internet. The rules enable you to make free voice calls from your computer to your friends computer. - 3SD & SDHC card(Secure Digital & Secure
Digital High Capacity) - One type of flash memory
card which store data - SD up
to 2GB SDHC up to 32GB
(ideal for video) - 4GPSGlobal Positioning
System - Navigational system used in many
devices which give current location,
directions to and from specified
location, distance to location by using
satellite signals. - 5AGPSAssisted Global
Positioning System - A technology that has been built into mobile phones.
When signal between mobile and satellites is weak
(as in the case as urban areas) the signal sent by the
mobile phone is diverted to mobile masts which
identify the phones exact location which allows the
user to continue using GPS - 6BIOMETRICSAn automated method of recognising
a person based on physical
characteristics. Among the features
measured are face, fingerprints, hand
geometry, iris and voice. - 7CONVERGENCEWhen one device is developed to
carry out functions that where
originally performed by several
different devices. - 8VIRAL MARKETINGA marketing strategy that encourages people to pass on a marketing message to their friends. It uses interesting and entertaining content that people will want to share. This uses multimedia to make the message memorable.
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- GCSE ICT FlashCards sobre Ict flash cards, criado por zakariya.ragab em 26-01-2016.
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- zakariya.ragab
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