3-1 Measures of Random Syntactic Information Shannon Theory of Information Key point: 1. Information is something that can be used to remove uncertainty. 2. The amount of information can then be measured by the amount of uncertainty it removed. 3. In the cases of communications, only waveform is concerned while meaning and value are ignored. 4. Uncertainty and thus information are statistic in nature and statistical mathematics is enough
1.1 Information science Definition of information Science Information Science is a trans-disciplinary science with information as its object in study; the laws in information process as its content information methodology as its approach; and the strengthening human information functions particularly the intellectual ability, as its goal
The Background of American Realism The fifty years between the end of the Civil War to the outbreak of the First World War Changes in every aspect of American life
1. Historical background The growth of mass-circulation periodicals created a rich market place for popular writers o WWi stands as a great dividing line between the 19th century and contemporary America o a sense of the failure of political leaders and a belief in the futility of hope dominated
1. Historical Background Before 1860 the United States had begun to change into an industrial and urban society. In the years preceding the Civil War relatively few volumes of imaginative literature were published in the Us. But as the century progressed
1. Historical Background 1607 Jamestown Colony, in Virginia. 1620 Plymouth Colony 1630 Massachusetts Bay Colony 1640 The Bay Psalm Book, the first publication in America
