Upcoming SlideShare
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Standard text messaging rates apply

# Search engines and techniques presentation

356

Published on

0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total Views
356
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
1
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Transcript

• 1. Lesson one.
• 2. Todays WALT : Carry out effective and efficient searches on the internet using a variety of techniques ◦ 1)Look at a number of different search engines. ◦ 2)Look at a number of different search techniques which can be carried out. ◦ 3)Look at what hits mean within a search.
• 3.  Search engines are very useful when you need to carry out research on a specific topic you want to learn about. The search engines we will be using are: ◦ Google. ◦ Dogpile. ◦ Bing. ◦ About. ◦ Ask Jeeves.
• 4.  There are a number of techniques which can be used when carrying out a search. Using different techniques can refine the search to make it specific to what your looking for. The technique examples we will look at are: ◦ Boolean Operators. ◦ Keywords. ◦ Wildcards. ◦ Advanced Searches.
• 5.  Boolean operators use three logical operators which are: ◦ Or ◦ And ◦ Not Examples of the operators: ◦ College or university ◦ Poverty and crime ◦ Cats not dogs
• 6. Keywords A keyword search will allow the user to carry out a search that will look for documents and websites that contain one or more of the specified words.
• 7. Wildcards This search involves the us of a symbols ‘?’ and ‘*’ to replace individual letters, or sequences of letters. This is useful when you do not know how to spell the word. ◦ ? - You can use a question mark to replace a single character. ◦ * - You can use a asterisk to represent several characters, or ‘zero’ characters. Zero characters gives you the option of looking for a character that may or not be there.