
File compression
Authored by Andrea Lanuara
Computers
10th - 11th Grade
Used 15+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A programmer wants to send a large program as an email attachment and wants compress it. Which of the following is correct.
The file must be not be compressed because any form of compression will cause the program to become corrupted.
The file must be compressed using lossy compression or the program will become corrupted.
The file must be compressed using lossless compression or the program will become corrupted.
It does not matter if the fille is compressed using lossy or lossless compression.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about JPEG image files.
This file type file can be compressed using lossy compression because some loss of image quality is acceptable when the image is uncompressed.
This file type file can be compressed using lossless compression because some loss of image quality is acceptable when the image is uncompressed.
This file type file must be compressed using lossy compression or the image will become corrupted.
This file type file must be compressed using lossless compression or the image will become corrupted.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about two JPEG image files compressed to 90% of the original (the colour depth, dimensions, resolution etc. are identical)
An image of tree foliage will be a smaller file size than an image of a cloudless sky.
There is no connection between what the image is of and the size of the compressed image.
An image of tree foliage will be the same file size as an image of a cloudless sky.
An image of tree foliage will be a larger file size than an image of a cloudless sky.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a definition of file compression?
File compression is the process of encoding information using the same number of bits but a smaller file size.
File compression is the process of encoding information using a smaller number of bits but keeping the file size the same.
File compression is the process of encoding information using fewer bits so that the compressed file size is smaller.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about MP3 compressed files.
An audio file format commonly used to store music and voice data. MP3 files use lossy compression so the original quality is not fully preserved.
An audio file format commonly used to store music and voice data. MP3 files use lossless compression so the original quality is fully preserved..
An image file format commonly used to bitmap image data. MP3 files use lossy compression so the original quality is not fully preserved.
An audio file format commonly used to store music and voice data. MP3 files use lossy compression so the original quality is fully preserved.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about MPEG compressed files.
This file format is commonly used to store video data. MPEG files use lossy compression and the audio/video compression levels can be set to allow a balance between file size (and therefore download time) and sound/image quality.
This file format is commonly used to store video data. MPEG files use lossless compression and the audio/video compression levels can be set to allow a balance between file size (and therefore download time) and sound/image quality.
This file format is commonly used to store audio data. MPEG files use lossy compression and the audio/video compression levels can be set to allow a balance between file size (and therefore download time) and sound/image quality.
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Text files can can be compressed by:
replacing repeated words with codes which use less memory units
replacing currency data with integer numbers
using ASCII format
collecting repeated words into a data dictionary
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
10 questions
AIJ Test 1 Firewall Jaringan
Quiz
•
9th - 12th Grade
10 questions
Excel
Quiz
•
11th - 12th Grade
12 questions
Kuiz Komputer dan ICT
Quiz
•
1st Grade - University
15 questions
Lua Review Corona SDK with Notepad++
Quiz
•
10th - 12th Grade
10 questions
STM BTEC DIT 3- 5. Maintenance, set-up, performance p152
Quiz
•
9th - 11th Grade
10 questions
Quizzone Gmail
Quiz
•
9th - 12th Grade
10 questions
Bitmap/Adobe Photoshop
Quiz
•
9th - 12th Grade
15 questions
Types of Computers
Quiz
•
10th Grade
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade