Converting Between Binary and Hexadecimal (AQA GCSE Computer Science): Flashcards
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Practise the cards
12 cards from this deck
How many binary digits per hex digit?
How many binary digits per hex digit?
Exactly 4 (a nibble)
What is a nibble?
What is a nibble?
A 4-bit binary number
Hexadecimal base
Hexadecimal base
Base 16 ()
Symbols in hexadecimal
Symbols in hexadecimal
0-9 and A-F (16 symbols)
Value range of a nibble (decimal)
Value range of a nibble (decimal)
0 to 15
1st step: binary to hex
1st step: binary to hex
Split into 4-bit groups from right
If leftmost group <4 bits (binary→hex)
If leftmost group <4 bits (binary→hex)
Add leading zeros
Method: hex to binary
Method: hex to binary
Each hex digit → 4 binary digits, combine all
Hex A in binary
Hex A in binary
1010
Hex F in binary
Hex F in binary
1111
GCSE hex range
GCSE hex range
00 to FF
GCSE binary range (8-bit)
GCSE binary range (8-bit)
00000000 to 11111111