15 extra multiple-choice questions for Multimedia (12th Standard Computer Applications, Samacheer Kalvi), beyond the ones printed in the textbook — each with the correct option highlighted and a clear, worked explanation. Free to read in English and Tamil.
Q1
What is the minimum frame rate required in animation to give the impression of smoothness?
- A. 10 frames per second
- B. 16 frames per secondCorrect
- C. 25 frames per second
- D. 30 frames per second
Explanation. According to the textbook, a frame rate of at least 16 frames per second is required to give the impression of smoothness, while at least 25 frames per second is needed for a natural look.
Q2
For natural-looking animation, what is the minimum frame rate recommended per second?
- A. 16 frames per second
- B. 20 frames per second
- C. 25 frames per secondCorrect
- D. 24 frames per second
Explanation. The textbook specifies that a frame rate of at least 25 frames per second is required to achieve a natural looking animation.
Q3
Which type of animation involves moving an object across a screen that has a constant background?
- A. Frame animation
- B. Path animationCorrect
- C. Vector animation
- D. Dimensional animation
Explanation. Path animation is defined as the movement of an object on a screen with a constant background, such as a character moving across without changing the background.
Q4
What unit is used to measure sound volume, representing its pressure level?
- A. Hertz
- B. DecibelsCorrect
- C. Pitch
- D. Bandwidth
Explanation. The textbook states that decibels is the unit used to measure the volume or pressure level of sound.
Q5
Which analog video type combines all components like brightness, color, and synchronization into a single signal?
- A. Component Analog Video
- B. Composite Analog VideoCorrect
- C. Digital Video
- D. High Definition Video
Explanation. Composite analog video integrates all video elements including color, brightness, and synchronization into one combined signal, which can cause color blending and low clarity.
Q6
Which image format uses an 8-bit color look-up table to identify its color values?
- A. JPEG
- B. PNG
- C. GIFCorrect
- D. BMP
Explanation. The GIF format utilizes an 8-bit color look-up table to determine and identify its color values.
Q7
To what fraction of the size of an equivalent WAV file are MP3 files roughly compressed?
- A. One-half
- B. One-fifth
- C. One-tenthCorrect
- D. One-twentieth
Explanation. MP3 files are compressed efficiently to approximately one-tenth of the storage size of a corresponding WAV audio file.
Q8
Which free, open-source container format is designed for obtaining better streaming and evolving at high-end quality digital multimedia?
- A. WAV
- B. WMA
- C. MP3
- D. OGGCorrect
Explanation. OGG is a free and open-source container format designed to provide high-quality digital streaming for multimedia.
Q9
Under which international organization was the MPEG standard for digital video and audio compression developed?
- A. W3C
- B. IEEE
- C. ISOCorrect
- D. IETF
Explanation. MPEG is standard for digital audio and video compression generated under the guidelines of the International Standards Organization (ISO).
Q10
Which step in the multimedia production phase includes background music selection and sound recording?
- A. Pre-production
- B. Testing
- C. ProductionCorrect
- D. Project design
Explanation. The production phase of multimedia includes activities such as capturing photos, shooting video clips, and selecting background music or sound recording.
Q11
Which member of the production team integrates all the multimedia building blocks like graphics, text, audio, and animation using authoring software?
- A. Production Manager
- B. Multimedia ArchitectCorrect
- C. Computer Programmer
- D. Computer Graphic Artist
Explanation. The multimedia architect is the team member tasked with integrating various media components together using specialized authoring software.
Q12
Which team member writes the scripts to control peripherals and software functions like defining the size and shape of video windows?
- A. Multimedia Architect
- B. Computer ProgrammerCorrect
- C. Audio Specialist
- D. Web Master
Explanation. The computer programmer writes the code or scripts necessary to develop functions like defining video window dimensions and controlling external hardware.
Q13
What is the name of the web-based teaching and learning environment system developed at GMU in Germany?
- A. EDUSAT
- B. MODULOCorrect
- C. MOODLE
- D. GMU-LEARN
Explanation. The web-based multimedia teaching and learning system developed at GMU in Germany is named MODULO.
Q14
Which educational satellite was launched in India to serve the country's educational sector and emulate virtual classrooms effectively?
- A. INSAT-1B
- B. EDUSATCorrect
- C. GSAT-3
- D. KALPANA-1
Explanation. EDUSAT, or Education Satellite, was launched in India to serve the country's education sector and emulate virtual classrooms.
Q15
Which team member has the responsibility to create and maintain an Internet web page and convert a multimedia presentation into a web page?
- A. Production Manager
- B. Web MasterCorrect
- C. Graphics Architect
- D. Text Editor
Explanation. The web master is responsible for creating and maintaining the web page, converting the final multimedia project into a web-accessible format.
Frequently asked questions
How many MCQs are there in Multimedia?
This chapter has 15 book-back multiple-choice questions, each with the correct answer and a step-by-step explanation.
Are these 12th Standard Computer Applications MCQs free to practise online?
Yes. Every question, answer and explanation here is free, and you can also take them as a timed practice test.
Where can I find the Multimedia book-back answers?
The correct option for each question is highlighted on this page with a worked explanation, plus a quick answer-key summary at the top.
