Flashcards
Data Exchange 1
Cards in this deck (25)
- 1What is Data?Data is any kind of information that has been formatted in a specific way.
- 2What are the different types of data?1. Audio
2. Video
3. Images
4. Monitorinf signals
5. Text - 3Define the term Devices and ComponentsThey are used as a genetic term to mean computers, peripheral hardware, mobile telephones, manufacturing plant, enviroment monitors and lots of other things.
- 4What does Peropheral mean?It is any divise, such as a printer attached to a computer to expand its functionality
- 5what is VOUP stand for?Voice over internet prrotocol
- 6what are two examples of VOIP1. talking to friends and family abroad
2. a business meeting - 7what does Codec mean?a devise or program used to encode or decode data
- 8what is an example of a VOIP?skype
- 9what is a wireless network?there another means by which data can be exchanges between a computer and network inculding the internet. a wireless network is any network serving computers or other devises which do not need wires they use radio waves.
- 10what are the requirements to set up a wireless network?1. routers
2. network access point - 11what is UTP/STP?1. unsheilded twisted pair (UTP) cables are basic pairs of cables twisted together
2. Shielded twisted pair (STP) cables are similar but have a foil shielding. - 12Where this type of method could be used?Analogue telephone network
- 13Name 1 advantage & 1 disadvantageVery low cost and adaptable.
- 14Define Coaxialsolid wire core separated from a copper-braided outer cable by a plastic insulation sheath. The inner cable transmits the data and the outer cable connects to the earth.
- 15Where this type of method could be used?Arial/dish connection to the TV.
- 16Name 1 advantage & 1 disadvantageFast and reliable
- 17Define InfraredShort range data transmission using infrared light (just beyond visible light). This is the same technology as is used in TV headsets.
- 18Where this type of method could be used?Key bored printer or mouse
- 19Name 1 advantage & 1 disadvantageTends to be reliable.
- 20Define Microwaveshort wavelength radio transmission working at very high frequencies.
- 21Where this type of method could be used?bluetooth
- 22Name 1 advantage & 1 disadvantage.Signal degrades very little over long distances.
- 23Define Satellitedata transmitted from Earth to a satellite, which relays it to the relevant receiving station back on Earth
- 24Where this type of method could be used?Global communication systems.
- 25Name 1 advantage & 1 disadvantageExpensive.
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- Flashcards on Data Exchange 1, created by sarahbutler98 on 09/10/2014.
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