17 live games for KS3 Computing, 252 questions. Free for teachers, up to 40 players.
Data Representation (Images, Sound, Text) for KS3 Computing: 17 ready-made live quiz games, 252 questions in all.
The questions cover Images in binary, Binary to image, ASCII codes, Image file size, Sample rate and Image size.
There are 6 practice sets, 6 picture rounds and 5 quickfire rounds. Question types: 169 multiple choice, 72 true or false, 9 fill the gap and 2 matching. 117 questions have a picture.
Pick a set, put the join code on the board and pupils play on their phones. Pupils need no account. Free for teachers, up to 40 players.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Which RGB value produces pure red?
What does the RGB colour model stand for?
The RGB colour model: true or false?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Colour depth: true or false?
Colour depth: true or false?
Colour depth: true or false?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Sound sampling: true or false?
Sound sampling: true or false?
Sound sampling: true or false?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Which RGB value produces pure red?
The RGB colour model: true or false?
Why all data is ultimately binary: true or false?
+ 12 more questions in the game.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
How many different characters can 7-bit ASCII represent?
How many different characters can 8-bit extended ASCII represent?
How many bits does extended ASCII use for each character?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
In ASCII, 'A' is 65. What is the code for 'B'?
In ASCII, 'A' is 65. What is the code for 'F'?
In ASCII, 'a' is 97. What is the code for 'h'?
+ 12 more questions in the game.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
How many different colours can a 1-bit colour depth represent?
How many different colours can a 3-bit colour depth represent?
How many different colours can a 6-bit colour depth represent?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
A 5 × 4 pixel image has 2-bit colour depth. What is its size in bits?
An 8 × 6 pixel image has 2-bit colour depth. What is its size in bits?
A 2 × 2 pixel image has 3-bit colour depth. What is its size in bits?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Sound sampled at 200 Hz, 4-bit, for 10 s. What is its size in bits?
Sound sampled at 200 Hz, 8-bit, for 1 s. What is its size in bits?
Sound sampled at 1,000 Hz, 8-bit, for 2 s. What is its size in bits?
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Picture: Forge Class Software Ltd
True or false?
Picture: Forge Class Software Ltd
True or false?
Picture: Forge Class Software Ltd
True or false?
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Which image does this binary make (1 = black)? 10010 01111 01111 01100
Which image does this binary make (1 = black)? 0010 1011 1101 1001
Which image does this binary make (1 = black)? 1110 1111 0000 0110 1100
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Which image does this binary make (1 = black)? 101100 110100 001111 010100 100011
Which image does this binary make (1 = black)? 11001 00100 10100 10100 11001
Which image does this binary make (1 = black)? 0101 1111 1011 1100 0110
+ 9 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Picture: Forge Class Software Ltd
How many bits does this image need?
Picture: Forge Class Software Ltd
How many bits does this image need?
Picture: Forge Class Software Ltd
How many bits does this image need?
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Picture: Forge Class Software Ltd
Which binary encodes row 8 of this image?
Picture: Forge Class Software Ltd
Which binary encodes row 5 of this image?
Picture: Forge Class Software Ltd
Which binary encodes row 2 of this image?
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Picture: Forge Class Software Ltd
Which binary encodes row 2 of this image?
Picture: Forge Class Software Ltd
Which binary encodes row 5 of this image?
Picture: Forge Class Software Ltd
Which binary encodes row 6 of this image?
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Picture: Forge Class Software Ltd
How many samples are shown?
Picture: Forge Class Software Ltd
How many samples are shown?
Picture: Forge Class Software Ltd
How many samples are shown?
+ 12 more questions in the game.
Plays in 13 of 17 game modes, including Gold Rush, Big Catch and Fossil Hunt.
Picture: Forge Class Software Ltd
What is the sample rate of this recording?
Picture: Forge Class Software Ltd
What is the sample rate of this recording?
Picture: Forge Class Software Ltd
What is the sample rate of this recording?
+ 12 more questions in the game.
Free for teachers: host these sets with up to 40 players. You sign up once as a teacher.