IGCSE ICT Data Validation and Graphing

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Questions and Answers

What is a key difference between an anchor and a hyperlink?

A hyperlink can be placed anywhere on a webpage, while an anchor can only be placed at the top.

An anchor requires a web address, while a hyperlink does not.

An anchor requires a point set in the document, while a hyperlink only requires the link. (correct)

A hyperlink can only redirect to another web page, while an anchor can only redirect within the same page.

Which of the following is NOT true about hyperlinks?

Hyperlinks can be clicked to cause another web page to display.

Hyperlinks can redirect to parts of the same web page using anchors.

Hyperlinks can only be applied to images, not text. (correct)

Hyperlinks may contain code such as 'href..' and 'target..'.

What role does the Presentation layer play in web development?

It controls the interactive elements through scripting.

It manages the database content of a web page.

It contains the backend logic for server interactions.

It defines the formatting and styling of web elements. (correct)

Which element is responsible for adding interactivity to a webpage?

Behaviour layer. Signup and view all the answers

What must be included in the code to create an anchor in a web page?

Either 'name..' or 'id..' to identify the anchor's position. Signup and view all the answers

What typically causes a word to be flagged during a spell check?

The word is written in Latin. Signup and view all the answers

Which method compares data against the original source for accuracy?

Visual verification Signup and view all the answers

What is a key reason for implementing both validation and verification processes?

To guarantee error-free data entry. Signup and view all the answers

What is the purpose of a section break in a document?

To alter the orientation between pages. Signup and view all the answers

Which statement about absolute file paths is correct?

They include the complete URL and file name. Signup and view all the answers

Why are relative file paths preferred in web development?

They update automatically when files are moved. Signup and view all the answers

What is the primary function of a gutter margin in a document?

To ensure text is not obscured by binding. Signup and view all the answers

Which type of break forces text to the beginning of a new page?

Page break Signup and view all the answers

Study Notes

Word Flagging in IGCSE ICT

Words might be flagged due to language/dialect differences, names/proper nouns, a lack of dictionary entry, or if written in Latin and the dictionary is in English.

Visual Verification

In visual verification, users compare data with the original source.

Double Data Entry

Double data entry involves the computer comparing data entered twice by a user(s) with previously entered data.

Data Validation and Verification Importance

Accurate data is crucial, especially for personal information.
Error-free data is vital for safety.
Incorrect data can have harmful consequences.
Not all errors are detectable by individuals.
Validation & verification check for accurate data entry.

Creating a Graph in IGCSE ICT

Select cells, click the chart icon, and choose the desired chart type.
Add/edit titles, labels for axes and a legend.

Purpose of Page Breaks/Column/Section Breaks

Column Breaks: Create hard breaks in a document; prevent widows or orphans.
Page Breaks: Force text to the start of a new page, leaving a gap at the previous page's end. Useful for preventing widows/orphans.
Section Breaks: Change page orientations between sections.
Gutter Margin Additional margin that improves readability, especially for bound documents.

Absolute and Relative File Paths

Absolute file paths: Include the complete URL/full file path with the filename. Includes the protocol, domain, specific file, subfolders and page name.
Relative file paths: Include only the specific file or page relative to the page containing the path.

Why Use Relative File Paths?

Relative paths remain usable if the web pages are moved, unlike absolute paths.

Hyperlinks vs. Anchors

Similarities: Both are links in web pages, can be attached to elements (icons/text/graphics), and are HTML tags starting with <a....
Differences:
- Anchors: Move between parts of a single web page —identifying specific spots within a document. The anchor itself is within the page; hyperlink points to an external page—or different part of the same page via its name (fixed point).
- Hyperlinks: Move between web pages.

Web Page Layers

Content Layer: Contains webpage information, creating the structure.
Presentation Layer: Displays web elements, defines format through CSS (stylesheets), and maintains consistency.
Behavior Layer: Controls web elements using scripting languages (e.g., javascript), adding interactive content like forms or image galleries, and adding functionality to the page.

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Description

This quiz covers essential topics related to data validation, verification, and creating graphs in IGCSE ICT. Understand the significance of accurate data entry and learn how to effectively utilize tools for visual representation of data. Test your knowledge on concepts like double data entry, word flagging, and the use of breaks in documents.