WorksheetsVideo Compression & File Format
Total questions: 20
Worksheet time: 10mins
Which of the following is a reason why video compression is necessary?
To increase file size
To reduce file size
To increase video quality
To slow down video playback
Which of the following is NOT a method for compressing video files?
Reducing resolution
Increasing frame rate
Reducing color depth
Reducing bit rate
What are some ways to compress digital video files?
By increasing resolution and color depth
By reducing resolution or frame rate
By adding more frames per second
By converting video to audio
Which of the following best describes the ideal goal of video compression?
Maximizing data rate regardless of quality
Balancing data rate and maintaining quality
Reducing color depth only
Increasing frame rate only
How does lowering the video resolution affect the file size?
It increases the file size
It has no effect on file size
It reduces the file size
It improves color depth
What is the effect of reducing frame rate and color depth in video compression?
Larger files
Smaller files
No change in file size
Higher resolution
If a video is changed from 12-bit color depth to 8-bit color depth, what is the likely result?
The file size increases
The file size decreases
The frame rate increases
The resolution increases
What is a CODEC in the context of video compression?
A technique for compressing and decompressing video files
A technique to play videos through streaming
A video editing software and technology for compression
A video player that stores video files efficiently
What does the acronym CODEC stand for in video compression technology?
Compression/Decompression
Coding/Decoding
Computer/Device
Communication/Device
Which of the following is NOT an advantage of hardware-based compression?
Faster processing
Does not rely on computer CPU power
High-quality output
Low cost
Which of the following is an advantage of software-based compression?
More expensive
Cheaper
Requires specialized hardware
Slower processing
What is a disadvantage of software-based compression?
Faster processing
Higher quality than hardware-based compression
Slower processing (relies on computer CPU)
Requires less memory
What are the two main types of compression?
Digital and Analog Compression
Lossless and Lossy Compression
Hardware and Software Compression
Fast and Slow Compression
Which of the following is a type of compression that reduces file size without losing any data?
Lossless Compression
Lossy Compression
Encrypted Compression
Fragmented Compression
What is a disadvantage of lossless compression compared to lossy compression?
Larger file sizes.
File size is highly reduced.
Faster loading time.
Irreversible compression.
What does lossy compression do to a file?
Reduces file size by permanently removing some data.
Retains 100% of the original quality.
Slower to process and less efficient for streaming.
Suitable for professional video editing.
Which of the following is an advantage of lossy compression?
No quality loss
Significantly smaller file sizes
Suitable for professional editing
Requires more storage and bandwidth
What is a disadvantage of using lossy compression for multimedia files?
Larger file sizes
No quality loss
Some loss of quality
Ideal for professional archiving
Which digital video file format was developed by Apple to support playback on the QuickTime player?
MOV
FLV
AVCHD
MKV
Modern platforms like YouTube and Netflix primarily use which video file format for streaming?
MP4
MOV
FLV
AVCHD
