Correct answers for MCQs
Written by: Jonathan Briggs
April 26, 2007 [1759 views]
Here the correct answers and some short comments. Refer back to the activity if you are unclear of the alternatives).
1. Which of the following CORRECTLY describes how GPS works?
b. GPS device calculates position by measuring time taken to receive signals from multiple satellites (the satellites never receive messages from the handsets!)
2. Which of the following is NOT a suitable way of paying for your weekly shopping via your mobile phone?
a. Reverse billing when message sent (reverse billing is suitable for small charges!)
3. Which of the following features is NOT shared by WiFi and Bluetooth?
a. Chargeable roaming at suitable hotspots (Bluetooth is not a roaming technology and not chargeable at present)
4. Which of the following is NOT true about SMS?
c. Guaranteed delivery within 30 minutes if recipient connected (No guarantees)
5. Which of the following is a FALSE statement about using a mobile to vote as part of a TV show?
d. Voters are always sent a reply message reverse billed to their account (Votes may be sent a message or not. It cannot be reverse billed unless they have been told.)
6. Which of the following does NOT rely on location-aware services?
a. Show me who is currently logged in to our intranet (does not need location information - just network)
7. Which of the following technologies could NOT be used to help provide communication services within London’s underground rail network?
a. GPS terminals to detect the positions of the trains (GPS does not work unless clear view of the sky)
8. You have a bought a WiFI only enabled mobile phone handset. Which of the following applications will be unavailable to you?
d. Voice calls while driving (WiFi does not normally allow moving between hotpots although this is changing)
9. “User presence” could be an important feature of future mobile businesses. Which of the following statements is UNTRUE?
b. Customers could be forced to reveal their locations and availability (presence applications cannot make you reveal your location)
10. Which of the following technology options is BEST suited for an application to send ball by ball tennis results to mobile subscribers?
c. J2ME Application (ball by ball is the problem here - regular updates!)
What do you think?
