(a) Why is web page design different to designing for printed media? (6 Marks)(b) What are design guidelines? (2 Marks)(c) Shneiderman produced eight golden rules as design guidelines for systems. Discussany four.(4 Marks)(d) What is meant by accessibility? (2 Marks)(e) Define Gestalt theory and demonstrate how this theory assists in system interfaces

(a) Web page design is different from designing for printed media due to several reasons:

1. Interactivity: Web pages are interactive, allowing users to click links, fill out forms, etc. Printed media is static.
2. Accessibility: Web pages can be accessed from anywhere in the world, while printed media is limited to physical distribution.
3. Update-ability: Web pages can be updated instantly and frequently, while printed media requires a new edition for each update.
4. Multimedia: Web pages can include a variety of media like text, images, videos, and audio, while printed media is mostly limited to text and images.
5. User Control: Users can control their experience on a web page (zoom in/out, navigate to different pages), while printed media offers a linear, fixed experience.
6. Cost: Web pages have lower production and distribution costs compared to printed media.

(b) Design guidelines are a set of recommendations and standards that guide designers in creating a product or system that offers a consistent and efficient user experience. They cover aspects like layout, color schemes, typography, and navigation.

(c) Shneiderman's eight golden rules are:

1. Strive for consistency.
2. Enable frequent users to use shortcuts.
3. Offer informative feedback.
4. Design dialog to yield closure.
5. Offer simple error handling.
6. Permit easy reversal of actions.
7. Support internal locus of control.
8. Reduce short-term memory load.

Discussing any four:

1. Strive for consistency: Consistent design elements and actions help users predict what will happen next, improving usability.
2. Enable frequent users to use shortcuts: As the frequency of use increases, so does the user's desire to perform tasks faster. Shortcuts help achieve this.
3. Offer informative feedback: For every action, there should be an appropriate feedback. This helps users understand the result of their actions.
4. Permit easy reversal of actions: This reduces the fear of making mistakes, as users know they can easily undo their actions.

(d) Accessibility in web design means creating web pages that everyone, including people with disabilities, can use and understand. This includes providing alternative text for images, ensuring sufficient color contrast, and making the site navigable via keyboard.

(e) Gestalt theory is a psychological concept that suggests that humans perceive visual elements as a whole before perceiving their individual parts. This theory assists in system interfaces by guiding designers to create layouts that make sense to users at first glance. For example, grouping related items together (law of proximity) or creating a visual hierarchy (law of significance) can help users understand the interface more intuitively.