s, why is there one more negative integer than there are positive integes 16. It was mentioned in the chapter that having two representations of zero, both a ve value is 231, Why y aren't these ranges syfn zero and a negative zero, would be both wasteful and potentially confusing. How might the inclusion of both zeros cause confusion or errors within programs? 7 The IEEE floating-point format reserves several bit patterns for representing speci ues. For example, a 32-bit pattern that begins with 011111111 has a special meaning. the Data Representation Page, determine what 011111111 followed by What if a pattern other than all zeros follows 011111111? Using all zeros represents individual uming that a string is stored as a sequence of ASCII codes corresponding to characters, how 18. Ass 19. Assuming that a string is stored as a sequence of ASCII codes corresponding to its 20. Suppose that a library has a taped recording of a historically significant speech. What 21. A grayscale image is one in which each pixel can be white, or black, or various shades of would the string "CU#1" be represented? individual characters, what string would be represented by the bit pattern 01001111011011110111000001110011? advantages would there be to converting the speech to digital format? gray in between. Assuming that there are 256 discernible shades of gray, how many bits would a bitmap require to represent a pixel in a grayscale image? How does this number compare to those for black-and-white and color bitmaps? 22. What is the difference between a lossless format and a lossy format for storing digital images? For what type of images might one or the other be preferable? 23. Is the MPEG compression format for storing video lossy or lossless? How did you determine your answer? 23

Question

21,22,23

s, why is there one more negative integer than there are positive integes
16. It was mentioned in the chapter that having two representations of zero, both a
ve value is 231, Why
y aren't these ranges syfn
zero and a negative zero, would be both wasteful and potentially confusing.
How might the
inclusion of both zeros cause confusion or errors within programs?
7 The IEEE floating-point format reserves several bit patterns for representing speci
ues. For example, a 32-bit pattern that begins with 011111111 has a special meaning.
the Data Representation Page, determine what 011111111 followed by
What if a pattern other than all zeros follows 011111111?
Using
all zeros represents
individual
uming that a string is stored as a sequence of ASCII codes corresponding to
characters, how
18. Ass
19. Assuming that a string is stored as a sequence of ASCII codes corresponding to its
20. Suppose that a library has a taped recording of a historically significant speech. What
21. A grayscale image is one in which each pixel can be white, or black, or various shades of
would the string "CU#1" be represented?
individual characters, what string would be represented by the bit pattern
01001111011011110111000001110011?
advantages would there be to converting the speech to digital format?
gray in between. Assuming that there are 256 discernible shades of gray, how many bits
would a bitmap require to represent a pixel in a grayscale image? How does this number
compare to those for black-and-white and color bitmaps?
22. What is the difference between a lossless format and a lossy format for storing digital
images? For what type of images might one or the other be preferable?
23. Is the MPEG compression format for storing video lossy or lossless? How did you determine
your answer?
23

Image Transcription

s, why is there one more negative integer than there are positive integes 16. It was mentioned in the chapter that having two representations of zero, both a ve value is 231, Why y aren't these ranges syfn zero and a negative zero, would be both wasteful and potentially confusing. How might the inclusion of both zeros cause confusion or errors within programs? 7 The IEEE floating-point format reserves several bit patterns for representing speci ues. For example, a 32-bit pattern that begins with 011111111 has a special meaning. the Data Representation Page, determine what 011111111 followed by What if a pattern other than all zeros follows 011111111? Using all zeros represents individual uming that a string is stored as a sequence of ASCII codes corresponding to characters, how 18. Ass 19. Assuming that a string is stored as a sequence of ASCII codes corresponding to its 20. Suppose that a library has a taped recording of a historically significant speech. What 21. A grayscale image is one in which each pixel can be white, or black, or various shades of would the string "CU#1" be represented? individual characters, what string would be represented by the bit pattern 01001111011011110111000001110011? advantages would there be to converting the speech to digital format? gray in between. Assuming that there are 256 discernible shades of gray, how many bits would a bitmap require to represent a pixel in a grayscale image? How does this number compare to those for black-and-white and color bitmaps? 22. What is the difference between a lossless format and a lossy format for storing digital images? For what type of images might one or the other be preferable? 23. Is the MPEG compression format for storing video lossy or lossless? How did you determine your answer? 23

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