QUESTION $1$

Database technology cuts through many of the problems of traditional file organisation. Data

is stored in a single file location that serves multiple applications. Describe a database

management system $($DBMS$)$ and explain how it helps to solve the problems of the traditional

file environment.

$(10$ marks$)$

QUESTION $2$

Smartphones and mobile devices can facilitate real$-$time communications, location$-$based

communications, and quick access to information on the consumer's schedule. They use

mobile devices in every aspect of their lives from riding the trains, flying the planes, watching

a movie, reading online newspapers, and reading books $($on Kindle$)$ to name a few. As the

mobile audience has expanded rapidly, mobile advertising and m$-$commerce have taken off.

Define location$-$based services. Descrije with appropriate examples the three main

categories of location$-$based services which are geosocial, geoadvertising, and

geoinformation services.