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Edexcel GCSE Computer Science
2.1 Binary
Binary to Denary Conversion
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Binary to Denary Conversion exam questions
6 questions with mark schemes and example answers
All 10 cards in this set
What is the first step in converting a binary number to denary?
Identify the value of each binary digit
What does each digit in a binary number represent?
A power of 2
In binary to denary conversion, what happens when you move from right to left across the binary number?
The value of each digit doubles
Convert the 4-bit binary number 1101 to denary.
13
What is the denary equivalent of the 4-bit binary number 0100?
4
If a 4-bit binary number is 1001, what is its denary value?
9
What is the denary value of the 4-bit binary number 0111?
7
Convert the 8-bit binary number 11001001 to denary.
201
What is the denary equivalent of the 8-bit binary number 00011011?
27
If you have an 8-bit binary number 10101010, what is its denary representation?
170