Characters
Cards (7)
- Characters can be stored in binary representation
- Binary representation of characters:
- 0 = A
- 1 = B
- 00 = A
- 01 = B
- 1111 = C
- 0011 = D
- Character set:
- A defined list of characters recognised by the computer hardware and software
- Each character is represented by a single number
- ASCII character set:
- 7-bit character set with 128 combinations
- Codes and characters:
- 0: A
- 13: N
- 1: B
- 14: O
- 2: C
- 15: P
- 3: D
- 16: Q
- 4: E
- 17: R
- 5: F
- 18: S
- 6: G
- 19: T
- 7: H
- 20: U
- 8: I
- 21: V
- 9: J
- 22: W
- 10: K
- 23: X
- 11: L
- 24: Y
- 12: M
- 25: Z
- Extended ASCII character set:
- 8-bit character set with 256 combinations
- Unicode character set:
- 24-bit character set with over 16 million characters
- Hexadecimal:
- Used as an alternative to writing in 24 bits
- 6 digits in hexadecimal = 24 bits in binary
- 1 nibble = 1 hex digit