Specialized search engines indexes content specialized by topic or location and are used to deliver more relevant results to the user. It indexes pages for particular topics. Examples of specialized search engines and their applications include;
1. Uquery.com – This new search engine focuses more on the emergence of iPhone and iPod touch applications
2. Taptu.com – A downloadable search engine that helps the user find items specific to fit on a mobile screen
3. Yahooligans – A sub-domain of yahoo that focuses on kid friendly games.
4. Pubmed.com – This is specifically meant for students in medical schools
5. Zillow.com – Online real estate service that provides information regarding home purchase.
It's actually true because once a bidding page status changes to closed, it means that the timeframe for bidding has stopped, hence, no bidder will be able to bid again.
Software is a collection of instructions that tell a computer how to work. This is in contrast to hardware, from which the system is built and actually performs the work.