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3.53 3-3 STORING TEXT A section of text in any language is a sequence of symbols used to represent an idea in that language. For example, the English language uses 26 symbols (A, B, C,…, Z) to represent uppercase letters, 26 symbols (a, b, c, …, z) to represent lowercase letters, nine symbols (0, 1, 2, …, 9) to represent numeric characters and symbols (., ?, :, ; , …, !) to represent punctuation. Other symbols such as blank, newline, and tab are used for text alignment and readability.
We can represent each symbol with a bit pattern. In other words, text such as “CATS”, which is made up from four symbols, can be represented as four n-bit patterns, each pattern defining a single symbol (Figure 3.14). 3.54 Figure 3.13 Representing symbols using bit patterns
Page 1 and 2: 3.1 3 Data Storage Foundations of C
Page 3 and 4: 3.3 3-1 INTRODUCTION Different form
Page 5 and 6: 3.5 Figure 3.3 Storage of different
Page 7 and 8: Error detection and correction Anot
Page 9 and 10: 8 = 00001000 -8 11110111 11111000 P
Page 11 and 12: 3.11 i Figure 3.4 Fixed point repre
Page 13 and 14: Example 3.1 Store 7 in an 8-bit mem
Page 15 and 16: Example 3.3 What is returned from a
Page 17 and 18: Sign-and-magnitude representation I
Page 19 and 20: Example 3.5 Store −28 in an 8-bit
Page 21 and 22: Example 3.7 Retrieve the integer th
Page 23 and 24: Two’s complement representation A
Page 25 and 26: One’s Complementing The first is
Page 27 and 28: Two’s Complementing The second op
Page 29 and 30: Example 3.12 Store the integer 28 i
Page 31 and 32: Example 3.14 Retrieve the integer t
Page 33 and 34: 3.33 i There is only one zero in tw
Page 35 and 36: Storing reals A real is a number wi
Page 37 and 38: Floating-point representation The s
Page 39 and 40: Example 3.19 Show the number 3.39
Page 41 and 42: Example 3.21 Show the number 3.41
Page 43 and 44: 3.43 i Note that the point and the
Page 45 and 46: Example 3.22 We can express sixteen
Page 47 and 48: IEEE Specifications 3.47
Page 49 and 50: Example 3.24 Show the Excess_127 (s
Page 51: Example 3.26 The bit pattern (11001
Page 55 and 56: Codes 3.56 � ASCII � Unicode
Page 57 and 58: 3.58 Figure 3.15 An audio signal
Page 59 and 60: Quantization The value measured for
Page 61 and 62: Standards for sound encoding Today
Page 63 and 64: Resolution We need to decide how ma
Page 65 and 66: Indexed color The indexed color—o
Page 67 and 68: Standards for image encoding Severa
Page 69: 3.70 3-6 STORING VIDEO Video is a r

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