Presentation Software and Multimedia
Presentation Software and Multimedia tests slide design, slide shows, and the safe use of images, audio and video. Questions often distinguish transitions from animations, or ask which file format suits a purpose.
Core rules
- A presentation is a sequence of slides. A slide master controls fonts, colours, logo and layout across slides; layouts arrange placeholders for title, content, images and charts.
- A transition is the effect between one slide and the next. An animation applies to an object on a slide (entrance, emphasis, exit, motion path).
- Multimedia combines text, graphics, audio, video and animation. Common formats: .jpg/.png for images, .mp3/.wav for audio, .mp4 for video, .gif for simple animation.
- Resolution is the pixel dimensions (e.g. 1920×1080); aspect ratio is width:height (16:9). Higher resolution looks sharper but increases file size. Compression can be lossy (JPEG, MP3) or lossless (PNG).
- Embedding stores a copy inside the presentation; linking keeps a reference to an external file, which can break if the file moves.
Worked example
You must present a pollution survey: a logo on every slide, one smooth change between slides, and a chart that appears after you click. Reasoning: put the logo in the slide master so it repeats; apply a transition to slide changes; apply an entrance animation to the chart, triggered on click. Do not animate every bullet if it distracts; keep text large and contrast high.
Traps
- Calling a slide-to-slide effect an animation; that is a transition.
- Using a low-resolution image stretched to full screen, causing blur.
- Linking media and then moving the file, so it fails to play.
- Choosing MP3 for video or MP4 for a still image.
- Overusing transitions and animations, which hides content and loses marks for clarity.