CSCmidterm4 Flashcards Preview

Csci > CSCmidterm4 > Flashcards

Flashcards in CSCmidterm4 Deck (52)
Loading flashcards...
1

HTML=

Hypertext Markup Language

2

XHTML=

entensible Hypertext Markup Language, must be lowercase, we don?t use

3

What converts HTML

a Browser

4

Start/Open tag

5

End/Close tag

6

Singleton Tag

not paired, e.x. horizontal line

7

Required Tags

, ,

8

2 Parts of a Web Page

Head, Body

9

Head section

beginning material, like title or other info for whol page

10

Body section

content of page

11

Needed to write HTML

Browser, Text Editor

12

Firefox traits

free open source browser

13

Open Source

program code is publicly available, any programmer can contribute improvements to

14

Text editor characters

ASCII, normal keyboard characters

15

Levels of heading tags

, get smaller

16

White Spaces

spaces inserted in HTML for readability; spaces, tabs, enter; Ignored by Browsers

17

Preformated information

only white space exception, displayed as appears

18

Width of line of text

determined by width of the browser window

19

Escape Symbols

&(followed by abbreviation); , used to show brackets, accents

20

Accents

&eactue; È

21

Hyperlink Parts

anchor text (text) & hyperlink reference (web site)

22

URL Absolute Pathname Parts

Protocol specification (http://), Domain/IP address (www.google.com), Path to file (/path/text.html)

23

Relative pathnames

take to another page in the same file

24

Moving up in a file

add / Before the href attribute

25

Image tag

26

Alt tag of an Image

assists visually impaired, displayed if image is not available

27

Image formats

Typically GIF=graphics interchange format or JPEG= Joint Photographic experts Group=higher quality

28

PNG

newer form of GIF= Portable Network Graphics

29

Attributes

additional specifications, form: name="value", includes href, src, and styles

30

Style Attribute

31

Image positioning

better with text flowing around image, "float:left"

32

CSS

Cascading Style Sheets, general styling system, simplifies task of creating a complex page

33

Global Style

Style tags inside Head tags, no brackets, but element inside {}, values seperated by ;

34

Tag Element

Text between the tags

35

Class

a family of styling specifications with a common name, written in head tags and at place in code

36

5 levels of styling info

Default, External, Global, Range, Site; part of Cascading Style sheets

37

List types

unordered list and ordered list ; both use for each item; also definitional lists

38

Tables

, cells=columns= ; heading= ; caption=

39

Pseudo Classes

is a State= anchor tag variations= link, hover, or visited

40

How search engine works

Crawling, query processing, hit list

41

crawling

has a todo list, URL's are added to the todo list, Builds an Index

42

Index

list of tokens or words that are associated with the page

43

Query processing

tokens=search terms are entered, looks up tokens in the index, returns a hit list

44

When Index is created

Ahead of time

45

Multiple word query

AND, all words present; query processor intersects index lists

46

Hit on a page

search term is associated with the page, not neccesarily ON the page; looks in title, anchor text, meta, and Alt attributes

47

Page Ranking

If A and C link to B, B is seen as more important

48

Logical operators

specify a logical relationship between words it connects (AND, OR, AND NOT)

49

Site Search

Searches only current site

50

Anatomy of a Hite

Title, Snippet, URL, Site Links

51

Primary Source

direct knowledge of information

52

Signs it?s a Bad Site

broken links, no contact info, simple design, no recent updates, spelling errors