placeholder image to represent content

Quiz: ASCII Code

Quiz by Simmy Joykutty Thengumtharayil

Feel free to use or edit a copy

includes Teacher and Student dashboards

Measure skills
from any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

With a free account, teachers can

edit the questions
save a copy for later
start a class game
automatically assign follow-up activities based on students’ scores
assign as homework
share a link with colleagues
print as a bubble sheet

Q 1/5
Score 0
This image was created using a 2-bit colour depth. Which option shows the correct encoding?
29
11 01 00 10 11 10 00 01 11
11 01 00 10 10 10 00 01 01
1 1 0 1 1 0 0 1 1
011 01 00 10 11 100 00 001 11

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes

5 questions

Show answers

Q1
This image was created using a 2-bit colour depth. Which option shows the correct encoding?
11 01 00 10 11 10 00 01 11
11 01 00 10 10 10 00 01 01
1 1 0 1 1 0 0 1 1
011 01 00 10 11 100 00 001 11
30s
Q2
What is the minimum number of bits required for an 8-colour image?
1
2
4
3
30s
Q3
If you wanted to use an image on your webpage, what colour depth would you choose?
8-bit
6-bit
4-bit
2-bit
30s
Q4
A text file is created and encoded using 8-bit ASCII. The file contains 142 characters including spaces. What is the file size (in bytes) of the text file?
142 bytes
64 bytes
128 bytes
104 bytes
30s
Q5
A text file is created and encoded using 16-bit Unicode. What is the file size (in bytes) of the text file?
256 bytes
284 bytes
255 bytes
285 bytes
30s

Teachers give this quiz to your class