Edexcel GCSE Computer Science 2020

2.2.4: understand the limitations of binary representation of data when constrained by the number of available bits

Keywords:

Data

Test your self on these keywords and definitions using the games below or Play random game

Keyword	Definition
audio quality	how accurate an audio recording sounds
available bits	the number of bits that can be used to store an individual pixel or audio sample
high frequency	sounds with a high pitch that are lost in low quality audio recordings
pixellated	how you describe the look of a bitmap image when you can see individual pixels rather than a detailed picture
quantization error	the difference between a digitally sampled audio signal and the original analogue signal

All learning objectives

Keyword games:

BugZap

Connect the wires to complete the circuit and zap the bug. The faster you choose the right keyword, the more points you get for zapping the bug!

Crossword

Use the clues to guess the keywords and fill in the blank spaces on the crossword

Eliminate

Click on the keywords that do not match the definition

Flappy Word

Click to jump. Collect a letter each time you pass a pipe

Hangman Definitions

Guess the letters of the definition

Hangman Keywords

Guess the letters of the keyword

Jumble Keyword

Rearrange the letters of the keyword into the right order

Random

Choose a game at random

Snake

Control the snake to eat each letter of the keyword in order

TypeRace

Type out the definitions as fast as you can

Wordsearch

Find the words that match each definition

Play Random Game

Resources:

CnD Limitations of binary