Unit notes and practice questions
Everything here is for unit 4 of the Grade 10 Information Technology textbook: what the chapter covers, the short notes, practice questions with their answers, and the lesson video where one exists.
The cards filed under this chapter on the Grade 10 Information Technology page. Open one at a time.
When you use it
Use when explaining the relationship between playback speed, frame count, and duration in video and audio editing.
Watch out
Speeding up a clip removes frames and shortens its duration. Slowing down repeats frames and lengthens duration. For audio, speed changes alter pitch unless time stretch options are used.
Drafted from Grade 10 Information Communication Technology, pages 139-181, then checked twice before it went up
When you use it
Use when distinguishing linear multimedia representations from non-linear interactive media networks.
Watch out
Multimedia combines text, audio, video, and animation digitally. Hypermedia is specifically non-linear multimedia linked together by hypertext programs, such as the World Wide Web.
Drafted from Grade 10 Information Communication Technology, pages 139-181, then checked twice before it went up
| Stage | Core Activity |
|---|---|
| 1. Analysis | Decide project needs and tools to use. |
| 2. Design | Create storyboards to outline the project. |
| 3. Development | Incorporate data and build a working prototype. |
| 4. Evaluation | Test, fine tune, and review the prototype. |
| 5. Distribution | Package and deliver the final product. |
When you use it
Use when sequencing the workflow of multimedia development from conception to delivery.
Watch out
Evaluation comes before distribution. A product must be tested and reviewed before it is packaged and distributed.
Drafted from Grade 10 Information Communication Technology, pages 139-181, then checked twice before it went up
| Media Type | Common File Formats |
|---|---|
| Audio / Sound | WAV, MIDI, WMA, MP3 |
| Image | TIFF, JPEG, GIF, PNG, BMP |
| Video | AVI, MPEG, MP4, WMV |
When you use it
Use when identifying or classifying standard digital audio, image, and video extensions.
Watch out
MIDI is an audio format that connects musical instruments to computers, not an image format.
Drafted from Grade 10 Information Communication Technology, pages 139-181, then checked twice before it went up
10 multiple-choice questions written against this chapter, each with its answer and the reason. Try one before you open the answer.
Question 1
What is multimedia defined as in Information Technology?
Answer: A A presentation of information combining text, audio, video, graphics, and animation
Why
Multimedia is a computerized method of presenting information attractively and interactively by combining text, audio, video, graphics, and animation.
Question 2
Which of the following is categorized as a digital video file format in the textbook?
Answer: B MPEG
Why
MPEG (Moving Picture Experts Group) and AVI are digital video file formats. WAV and WMA are sound formats, while TIFF is an image format.
Question 3
Commercially prepared drawings that come packaged with many application programs are known as what?
Answer: A Clipart
Why
Clipart refers to commercially prepared drawings that come packaged with application programs to help users illustrate documents.
Question 4
A health center in Hawassa transmits medical data electronically to a hospital in Addis Ababa to improve patient care. What is this practice called?
Answer: B Telemedicine
Why
Telemedicine is the exchange of medical information from one location to another using electronic communication to improve patient health status.
Question 5
In a multimedia production team, which person is responsible for integrating all the multimedia elements using authoring programs?
Answer: C Multimedia architect
Why
The multimedia architect (or program authoring specialist) is responsible for integrating text, graphics, audio, video, and animation using authoring programs.
Question 6
During the five fundamental stages of multimedia authoring, in which stage are storyboards created to outline the project?
Answer: B Design
Why
The second stage of multimedia authoring is Design, where storyboards are created to tell the story of the project.
Question 7
In Macromedia Flash MX, which screen element controls when things happen during movie playback, such as playback time and frame rate?
Answer: C Timeline window
Why
The Timeline window controls when events occur during movie playback, including playback time and frame rate.
Question 8
In Adobe Premiere Elements, which trimming mode automatically determines low-quality sections so the user can delete or retain them?
Answer: A Automatic smart trim mode
Why
In the automatic smart trim mode, Adobe Premiere Elements automatically detects and determines the trimmable sections of a video.
Question 9
When a student in Gondar changes the speed of an audio clip, the pitch changes. Which command includes an option to maintain the original pitch at any speed?
Answer: B Time Stretch
Why
The Time Stretch command allows changing the sound speed and includes an option to maintain the original pitch of the audio clip.
Question 10
According to the textbook, what are the basic RAM and monitor hardware requirements for a multimedia computer system?
Answer: B 1 GB RAM and SVGA Monitor
Why
The basic hardware requirements listed in the textbook specify 1 GB RAM and a Super Virtual Graphics Array (SVGA) monitor.
The app holds 12 questions on this unit, marked as you go. These are the first 10.
Unit 4 runs from page 139 to page 181 of the Ministry of Education edition.
Ministry of Education edition, English, 234 pages
Temari turns this chapter into timed practice and marks it as you go, with an AI tutor to explain anything that did not land.
Start free
Temari.et is also an Android app, free on Google Play.
