ICT in the Local Community :: ICT Essays

ICT in the Local CommunityAirportsIn airports, all public access is channelled done the terminal,where every person must walk through a admixture detector and all itemsmust go through an X-ray automobile which then sends the picture to amonitor where a person evict see what luggage you be carrying and ifyou are concealing every metal objects that may cause a threat to otherpassengers. All of the check luggage goes through a large X-raymachine to begin with it is loaded onto the aircraft. In the United States,most major airports have a computer tomography (CT) s undersurfacener. A CTscanner is a empty tube that surrounds your bag. The X-ray mechanismrevolves slowly around it, bombarding it with X-rays and recording theresulting data. The CT scanner uses all of this data to create a very tiny tomogram (slice) of the bag. The scanner is able to calculatethe mass and density of individual objects in your bag based on thistomogram. If an objects mass/density falls indoors the ra nge of adangerous material, the CT scanner warns the operator of a potentialhazardous object.CT scanners are slow compared to other types of baggage-scanningsystems. Because of this, they are not used to check every bag.Instead, only bags that the computer flags as suspicious are examine. These flags are triggered by any anomaly that shows up in thereservation or check-in process. For example, if a person buys aone-way ticket and pays cash, this is considered atypical and couldcause the computer to flag that person. When this happens, thatpersons checked bags are immediately sent through the CT scanner,which is usually locate somewhere near the ticketing counter.A baggage-handling system makes all of the decisions about where a bagis going. Hundreds of computers keep track of the location of everybag, every travellers travel plan and the schedules of all the planes.Computers control the conveyor junctions and switches in the DCVtracks to make sure separately bag ends up exactly w here it needs to go. Theprocess begins when you check in and hand your bag to the agent.When you check in, the agent pulls up your itinerary on the computerand prints out one or more tags to attach to apiece of your pieces ofluggage. The tag has all of your flight information on it, includingyour destination and any stopover cities, as well as a bar grave thatcontains a ten-digit number.This number is unique to your luggage. All of the computers in thebaggage-handling system can use this number to look up your itinerary.