Answers to last week's TRUE/FALSE questions
Written by: Jonathan Briggs
May 13, 2007 [3878 views]
Here are the answers to the TRUE/FALSE questions from last week. After each one I have added the % of you that got it right and where lots of you got it wrong I have added a comment.
WiFi
Provides medium range radio networking TRUE (70% got this correct)
Once it is installed in a bar or railway station it is free to use FALSE (67%: most hotspots require payment)
Slower than GPRS for transmission of data FALSE (88%)
Can support low cost voice calling using VoIP TRUE (92%)
GSM
One of a number of standards for mobile phone networks TRUE (90%)
Uses analogue radio systems over dedicated parts of the radio spectrum FALSE (47%: it is a digital technology)
Can carry data as well as voice TRUE (76%)
Faster than GPRS for transmission of data FALSE (84%)
SMS
Part of the GPS mobile standard FALSE (64%: GPS is not a mobile standard)
Always cheaper than calling to tell someone your location FALSE (58%: calling is often cheaper)
Useful source of revenue for the operators TRUE (97%)
Slower than GPRS for transmission of data TRUE (64%: think about how long it takes to send 160 chars)
Bluetooth
Can carry data as well as voice TRUE (82%)
Networking technology for connecting devices over short range TRUE (98%)
Slower than GPRS for transmission of data FALSE (70%)
Charged on a per megabyte basis FALSE (93%)
RFID
Works over long distances using satellite sensors FALSE (79%: nothing to do with satellites)
Security technology based on embedded antennae TRUE (88%)
Could be used as part of a national identity card scheme TRUE (92%)
Provides the basis for automated road toll charging TRUE (78%)
3G
Name of one of the UK mobile operators rather than a specific technology FALSE (74%: don't confuse the company 3 with the technology 3G)
Requires a new networking intrastructure beyond GSM TRUE (78%)
Faster than GPRS for transmission of data TRUE (90%)
Primarily used to speed up the transmission of voice calls FALSE (69%: How can calls be sent faster? This is mainly a data technology)
MMS
Allows customers to send images and video from handset to handset TRUE (91%)
Could be used for advertising TRUE (93%)
Requires more data to be transmitted than SMS TRUE (91%)
Standard SMS sent when MMS sent to older handsets TRUE (47%: a link is sent within a normal SMS to older phones)
WAP 2.0
Mobile Internet protocol based on XML TRUE (70%)
Allows mobile web services to be created TRUE (93%)
Charged on a per minute basis for GPRS phones FALSE (54%: Charged per megabyte)
Pages can be pushed using links sent in standard SMS TRUE (71%)
LBS
Tracking another mobile user requires their consent unless you are a parent FALSE (48%: tracking always requires consent)
Cell positioning cannot work inside buildings FALSE (57%: if your phone still works, so will the positioning)
Asking users to enter a place name will generally be more accurate FALSE (33%: too much variation in what people will type)
Could provide turn-by-turn directions to the nearest Starbucks FALSE (40%: position not accurate enough to know where you are starting from, could show local Starbucks on a map)
GPS
Relies on tracking handsets by satellite FALSE (23%: Satellites DO NOT TRACK mobiles)
Handset sends request to minimum of 4 satellites to obtain position FALSE (56%: Handsets simply receive data)
Calls are routed via 26 geostationary satellites FALSE (70%)
Accuracy of 10-100 meters inside shopping malls FALSE (55%: GPS alone does not work inside)
What do you think?
