42 live games for GCSE Computer Science, 620 questions. Free for teachers, up to 40 players.
Memory & Storage for OCR GCSE Computer Science (J277 section 1.2): 42 ready-made live quiz games, 620 questions in all.
The questions cover Binary to denary, Image file size, ASCII codes, Logical shifts, Denary to binary and Hex and binary.
There are 27 practice sets, 9 quickfire rounds and 6 picture rounds. Question types: 493 multiple choice, 96 true or false, 28 fill the gap and 3 matching. 119 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.
True or false?
True or false?
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.
What is character encoding used for?
Convert 3 TB (terabytes) to MB (megabytes).
How many characters can standard ASCII represent?
+ 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 16-bit Unicode represent?
True or false?
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.
In ASCII, '0' is 48. What is the code for '3'?
In ASCII, '0' is 48. What is the code for '8'?
In ASCII, '0' is 48. What is the code for '4'?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
In ASCII, 'o' is 111. Which character has code 112?
In ASCII, 'A' is 65. Which character has code 77?
In ASCII, 'T' is 84. What is the code for 'V'?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
How many different characters can a 5-bit character set represent?
How many bytes are needed to store 'BYTE' in 8-bit ASCII?
How many bits are needed to store 'MOUSE' in 8-bit ASCII?
+ 11 more questions in the game.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is 0011 + 0101 in 4-bit binary?
What is 0110 + 0111 in 4-bit binary?
What is 0001 + 0001 in 4-bit binary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is 01100001 + 01001101 in 8-bit binary?
What is 01111100 + 00000101 in 8-bit binary?
What is 00111110 + 01110001 in 8-bit binary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is 10001101 after a logical right shift of 2 places?
What is 01001101 after a logical right shift of 3 places?
What is 10011100 after a logical left shift of 2 places?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is 00111110 after a logical left shift of 2 places?
What is 10101000 after a logical left shift of 2 places?
What is 11011101 after a logical left shift of 3 places?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Denary 13 is stored in 8 bits and shifted left 2 places. What is the new denary value?
Denary 20 is stored in 8 bits and shifted left 3 places. What is the new denary value?
Denary 84 is stored in 8 bits and shifted left 1 place. What is the new denary value?
+ 8 more questions in the game.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
True or false?
True or false?
What is the binary number 1010 in denary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
True or false?
True or false?
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.
What is the binary number 01100100 in denary?
What is the binary number 10010100 in denary?
What is the binary number 00101001 in denary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is the binary number 10100100 in denary?
What is the binary number 11001000 in denary?
What is the binary number 00111010 in denary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
How many different values can 5 bits represent?
What is the largest denary number 7 bits can hold?
What is the fewest bits needed to store denary 82?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is denary 164 in 8-bit binary?
What is denary 16 in 8-bit binary?
What is denary 59 in 8-bit binary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is denary 205 in 8-bit binary?
What is denary 72 in 8-bit binary?
What is denary 58 in 8-bit binary?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is denary 130 in 8-bit binary?
What is denary 168 in 8-bit binary?
What is denary 232 in 8-bit binary?
+ 8 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 2-bit colour depth represent?
What is the smallest colour depth that can show 130 colours?
What is the smallest colour depth that can show 45 colours?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
A 12 × 5 pixel image has 8-bit colour depth. What is its size in bits?
A 25 × 12 pixel image has 2-bit colour depth. What is its size in bits?
A 4 × 20 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.
True or false?
A 16 × 25 pixel image has 1-bit colour depth. What is its size in bytes?
A 5 × 20 pixel image has 1-bit colour (black and white). 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.
A 100 × 40 pixel image has 24-bit colour depth. What is its size in bytes?
A 50 × 40 pixel image has 2-bit colour depth. What is its size in bytes?
Using 1 KB = 1000 bytes, what size in KB is a 250 × 500, 24-bit image?
+ 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 4,000 Hz, 24-bit, for 60 s. What is its size in bits?
Sound sampled at 20,000 Hz, 8-bit, for 5 s. What is its size in bits?
Sound sampled at 44,100 Hz, 16-bit, for 5 s. 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 20,000 Hz, 24-bit, for 5 s. What is its size in bytes?
Sound sampled at 1,000 Hz, 16-bit, for 10 s. What is its size in bytes?
Sound sampled at 4,000 Hz, 24-bit, for 10 s. What is its size in bytes?
+ 12 more questions in the game.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is binary 1110 in hexadecimal?
What is binary 1000 in hexadecimal?
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.
What is denary 112 in hexadecimal?
What is denary 64 in hexadecimal?
What is denary 80 in hexadecimal?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is binary 0010 1000 in hexadecimal?
What is binary 0101 0100 in hexadecimal?
What is binary 0111 0110 in hexadecimal?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is binary 1110 1011 in hexadecimal?
What is binary 0011 0011 in hexadecimal?
What is binary 1001 0001 in hexadecimal?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
What is hexadecimal B3 in denary?
What is hexadecimal 22 in denary?
What is hexadecimal 29 in denary?
+ 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 = white)? 11111 11010 10011 00100
Which image does this binary make (1 = black)? 11000 00001 11111 00110
Which image does this binary make (1 = white)? 00000 11110 10001 00010
+ 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 smallest colour depth that can store this image?
Picture: Forge Class Software Ltd
What is the smallest colour depth that can store this image?
Picture: Forge Class Software Ltd
What is the smallest colour depth that can store 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
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.
Picture: Forge Class Software Ltd
How many bytes does this image need?
Picture: Forge Class Software Ltd
How many bytes 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
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?
+ 11 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
Dots sit on the dashed levels. How many bits does this whole recording need?
Picture: Forge Class Software Ltd
Dots sit on the dashed levels. How many bits does this whole recording need?
Picture: Forge Class Software Ltd
Dots sit on the dashed levels. How many bits does this whole recording need?
+ 12 more questions in the game.
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
True or false?
True or false?
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.
How many bits are in 38 bytes?
How many bits are in 4 nibbles?
How many bits are in 19 nibbles?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Using 1 TB = 1000 GB, how many TB is 4,000 GB?
Using 1 MB = 1000 KB, how many MB is 8,000 KB?
Using 1 TB = 1000 GB, how many TB is 8,000 GB?
+ 12 more questions in the game.
Practice
Plays in 17 of 17 game modes, including Gold Rush, Big Catch and Speed Blitz.
Using 1 KB = 1024 bytes, how many bits are in 3 KB?
Using 1 KB = 1000 bytes, how many bits are in 1 KB?
Using 1 KB = 1000 bytes, how many bits are in 10 KB?
+ 12 more questions in the game.
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