Limitations of binary data representation (Edexcel GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What formula determines how many different patterns you can create with bits?
What formula determines how many different patterns you can create with bits?
How many different values can be represented using 4 bits?
How many different values can be represented using 4 bits?
16
How many different values can 8 bits represent?
How many different values can 8 bits represent?
256
What range of numbers can 8 bits represent as unsigned integers?
What range of numbers can 8 bits represent as unsigned integers?
0 to 255
What range can 8 bits represent using two's complement for signed integers?
What range can 8 bits represent using two's complement for signed integers?
-128 to +127
What happens to the positive range when including negative numbers in binary representation?
What happens to the positive range when including negative numbers in binary representation?
It's cut in half
How many different patterns does 7-bit ASCII provide?
How many different patterns does 7-bit ASCII provide?
128
Why is ASCII limited when representing languages like Japanese Kanji?
Why is ASCII limited when representing languages like Japanese Kanji?
Not enough patterns available
What was the main reason Unicode was developed?
What was the main reason Unicode was developed?
To overcome ASCII's limitations
How many colours can be displayed with 4-bit colour depth?
How many colours can be displayed with 4-bit colour depth?
16
How many possible colours does 16-bit colour depth provide?
How many possible colours does 16-bit colour depth provide?
65,536
How many different volume levels can 16-bit audio represent?
How many different volume levels can 16-bit audio represent?
65,536