1.5.4

HTML

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Hypertext Markup Language

Hypertext Markup Language (HTML) is a markup language used for the design of web pages. It specifies the structure of a webpage.

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HTML introduction

  • Most tags in html needs to come in a pair, one to open the element and one to close it:
    • <tag> ... </tag>
  • The <html> tag is used to enclose the entire page.
  • The <head> tag is used to enclose information about the page.
  • The <title> tag is used to define the title of the page.
  • The <body> tag is used to enclose the content of the page.
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Basic page structure

  • The layout used by any HTML page is shown in the image.
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Common tags

  • Headings can be created using tags <h1> through <h6>.
    • <h1> will create the largest heading, and <h6> will create the smallest.
  • Paragraphs can be created using <p> to enclose text.
  • Text can be made italic by enclosing in <i>.
  • Text can be made bold be enclosing in <b>.

Hypertext Markup Language

HTML has many tags, a few of which are shown here.

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Structural tags

  • <center> can be used to center content on a page.
  • <blockquote> can be used to create an emphasised quote.
  • <hr> can be used to create a horizontal line across the page.
  • <img src="..."> can be used to display the image located at the src parameter.
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Lists

  • <ul> will create an unordered list (bullet points).
  • <ol> will create an ordered list (numbers).
  • <li> will create an item within a list.

Jump to other topics

1Computer Systems

1.1Data Representation

1.1.1Binary Numbers

1.1.2Negative Binary Numbers

1.1.3Hexadecimal

1.1.4Using Hexadecimal

1.1.5Converting Binary & Hexadecimal

1.1.6Converting Denary & Hexadecimal

1.1.7Capacity

1.1.8Calculating Capacity Requirements

1.1.9Binary in Computer Systems

1.1.10Data Compression

1.1.11Run Length Encoding

1.1.12File Formats

1.2Data Transmission

1.2.1Packet Switching

1.2.2Data Transmission

1.2.3Universal Serial Bus (USB)

1.2.4Parity Check

1.2.5Checksum & Echo Checks

1.2.6Encryption

1.3Hardware

1.3.1Elements of Computer Systems

1.3.2Types of Computer System

1.3.3Von Neumann Architecture

1.3.4The Fetch, Decode, Execute Cycle

1.3.5Factors Affecting CPU Performance

1.3.6Computational Logic

1.3.7Input Devices

1.3.82D & 3D Scanners

1.3.9Code Readers

1.3.10Solid State Storage

1.3.11Magnetic Storage

1.3.12Examples of Magnetic Storage

1.3.13Optical Storage

1.3.14Examples of Optical Storage

1.3.15Types of Optical disk

1.3.16Storage Requirements

1.3.17Translation - Compilers

1.3.18Translation - Interpreters

1.3.19Translation - Assemblers

1.3.20Acoustic Sensors

1.3.21Flow Sensors

1.3.22Gas Sensors

1.3.23Humidity Sensors

1.3.24Infrared Sensors

1.3.25Level Sensors

1.3.26Light Sensors

1.3.27Magnetic Field Sensors

1.3.28Moisture Sensors

1.3.29pH Sensors

1.3.30Pressure Sensors

1.3.31Proximity Sensors

1.3.32Temperature Sensors

1.3.33Network Hardware

1.4Software

1.4.1Operating Systems

1.4.2Interrupts

1.4.3High-Level Languages

1.4.4Low-Level Languages

1.5The Internet & its Uses

1.5.1The Internet

1.5.2Uniform Resource Locators (URLs)

1.5.3DNS

1.5.4HTML

1.5.5Cookies

1.5.6Web Hosting

1.5.7Digital Currency

1.6Cyber Security

1.6.1Forms of Attack

1.6.2Penetration Testing

1.6.3Types of Malware

1.6.4How Malware Spreads

1.6.5Protecting Against Malware

1.6.6Information Security

1.6.7Structured Query Language (SQL) Injection

1.6.8Firewalls

1.6.9Authentication: User Access Levels

1.6.10Authentication: Passwords

1.6.11Social Engineering

1.6.12Phishing

1.6.13Denial of Service Attacks

1.7Automated & Emerging Technologies

1.7.1Automated Systems

1.7.2Robotics

1.7.3Artificial Intelligence

2Algorithms, Programming & Logic

2.1Algorithm Design & Problem Solving

2.1.1Computational Thinking - Abstraction

2.1.2Computational Thinking - Decomposition

2.1.3Computational Thinking - Algorithmic Thinking

2.1.4Pseudocode

2.1.5Flow Diagrams

2.1.6Interpreting, Correcting & Completing Algorithm

2.1.7Correcting Algorithms

2.1.8Completing Algorithms

2.1.9Testing

2.1.10Types of Testing

2.1.11Test Plans

2.1.12Validation & Sanitation

2.1.13Authentication & Contingencies

2.2Programming

2.2.1Programming Fundamentals - Variables & Constants

2.2.2Programming Fundamentals - Comments

2.2.3Programming Fundamentals - Input & Output

2.2.4Data Types

2.2.5Casting

2.2.6Controlling Program Flow - Sequence

2.2.7Controlling Program Flow - Selection

2.2.8Controlling Program Flow - Iteration

2.2.9Modularity - Subroutines

2.2.10Modularity - Scope

2.2.11Arrays

2.3Databases

2.3.1Structuring Data - Records

2.3.2Structuring Data - Databases

2.3.3SQL

2.4Boolean Logic

2.4.1Binary Systems

2.4.2Logic Circuits

2.4.3Truth Tables

2.4.4Evaluating Expressions

2.4.5Boolean Operators

2.4.6End of Topic Test - Logic

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