Introduction Information Science as Question-Answering Data Collection and Analysis Data Collection Methods Data Analysis Making Predictions Data Organization and Use Understanding the Data Estimating and Using Data Values Coding the Data Coding the Data Fields, Records, and Files Storing the Data File Structures The Inverted File Retrieving the Data Information Retrieval Systems The Use of Data and Base Management Systems Displaying the Data Data Display Writing Graphics Programs The Communication of Data Human Computer Dialogue The Communication Model Data Manipulation Numerical Techniques Text Processing Decision-Making and Problem-Solving Decision-Making Problem-Solving