Topic 4 of 19
Data representation and data types
What the specification covers
Unit 1 (AS)Fundamentals of Computer Science
- Bits, bytes and words
- Binary and hexadecimal
- Character sets
- Primitive data types
- Two's complement and sign-and-magnitude
- Floating point
Unit 4 (A2)Computer Architecture, Data, Communication and Applications
- Binary arithmetic
- Converting real numbers to floating point
- Truncation, rounding and accuracy
- Logical and arithmetic shifts
- Overflow and underflow
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