Edexcel GCSE Computer Science 2020

2.1.2: understand how computers represent and manipulate unsigned integers and two's complement signed integers

Keywords:

Data

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

Keyword	Definition
least significant bit	the bit furthest to the right of a binary value
most significant bit	the bit furthest to the left of a binary value
signed integer	a whole number which can be either positive or negative
two's complement	a way of using binary to represent signed integers
unsigned integer	a whole number which is greater than or equal to 0

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:

Binary

Binary challenge

CnD Two's Complement

Sign and Magnitude

Two's Complement

Unsigned binary