Converting Between Decimal and Hexadecimal (AQA GCSE Computer Science): Flashcards
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Practise the cards
12 cards from this deck
What base is hexadecimal?
What base is hexadecimal?
Base 16
Hexadecimal symbols
Hexadecimal symbols
0-9 and A-F
Hex A in decimal
Hex A in decimal
10
Hex F in decimal
Hex F in decimal
15
Hex B, C, D, E in decimal
Hex B, C, D, E in decimal
11, 12, 13, 14
What are hex column values?
What are hex column values?
Powers of 16
Steps: hex to decimal
Steps: hex to decimal
Convert symbols, multiply by place values, add
Method: decimal to hex
Method: decimal to hex
Divide by 16, use quotient & remainder
Rightmost hex column value
Rightmost hex column value
(the 1s column)
How many binary digits per hex digit?
How many binary digits per hex digit?
Four
Why hex useful in computing?
Why hex useful in computing?
Compact, readable way to represent binary
Max value in single hex digit
Max value in single hex digit
15 (letter F)