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7. An anonymous union declaration actually creates the member variables in memory. a TRUE b. FALSE 8. Which of the following incorrectly initializes the enumerators of type Colors to the following values 0, 1, 2, 8, 9, 10, respectively? a. enum Colors (RED, ORANGE, YELLOW, GREEN-8, BLUE, PURPLE) benum Colors (RED, ORANGE, YELLOW, GREEN, BLUE, PURPLE) cenum Colors (RED, ORANGE-1, YELLOW, GREEN-8, BLUE, PURPLE); d. none of the above 9. Which of the following is not true about enumerated data types? a enumerators can be used as array subscripts b. mathematical operators can be used to change the value of enumerators c. the values of enumerators can be displayed in cout statements d. enumerators must be unique within the same scope 10. This datatype can be used to create files and write information to them but cannot be used to read information from them a outstream b. fstream c. ifstream d. ofstream both input and output?

7. An anonymous union declaration actually creates the member variables in memory. a TRUE b. FALSE 8. Which of the following incorrectly initializes the enumerators of type Colors to the following values 0, 1, 2, 8, 9, 10, respectively? a. enum Colors (RED, ORANGE, YELLOW, GREEN-8, BLUE, PURPLE) benum Colors (RED, ORANGE, YELLOW, GREEN, BLUE, PURPLE) cenum Colors (RED, ORANGE-1, YELLOW, GREEN-8, BLUE, PURPLE); d. none of the above 9. Which of the following is not true about enumerated data types? a enumerators can be used as array subscripts b. mathematical operators can be used to change the value of enumerators c. the values of enumerators can be displayed in cout statements d. enumerators must be unique within the same scope 10. This datatype can be used to create files and write information to them but cannot be used to read information from them a outstream b. fstream c. ifstream d. ofstream both input and output?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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7. An anonymous union declaration actually creates the member variables in memory. a TRUE b. FALSE 8. Which of the following incorrectly initializes the enumerators of type Colors to the following values 0, 1, 2, 8, 9, 10, respectively? a. enum Colors (RED, ORANGE, YELLOW, GREEN-8, BLUE, PURPLE b. enum Colors (RED, ORANGE, YELLOW, GREEN, BLUE, PURPLE); cenum Colors (RED, ORANGE-1, YELLOW, GREEN 8, BLUE, PURPLE); d. none of the above 9. Which of the following is not true about enumerated data types? a. enumerators can be used as array subscripts b. mathematical operators can be used to change the value of enumerators c. the values of enumerators can be displayed in cout statements d. enumerators must be unique within the same scope 10. This datatype can be used to create files and write information to them but cannot be used to read information from them a. outstream b. fstream c. ifstream d. ofstream 11. Which of the following statements opens the file info.txt for both input and output? a. dataFile.open("info.txt", ios in, los out): b. datafile.open("info.txt", input (output): c. datafile.open("info.txt", ios in ios out): d. datafile.open("info.txt", iosin | los out): 12. This member function can be used to store binary data to a file. a. get b. put c. read d. write 13. When a file stream object is passed to a function, it should be passed by reference. a. TRUE b. FALSE 14. This state bit is set when an attempted operation has failed. a. ios: failbit b. los badbit cios: hardfail d. ios: goodbit
Transcribed Image Text:7. An anonymous union declaration actually creates the member variables in memory. a TRUE b. FALSE 8. Which of the following incorrectly initializes the enumerators of type Colors to the following values 0, 1, 2, 8, 9, 10, respectively? a. enum Colors (RED, ORANGE, YELLOW, GREEN-8, BLUE, PURPLE b. enum Colors (RED, ORANGE, YELLOW, GREEN, BLUE, PURPLE); cenum Colors (RED, ORANGE-1, YELLOW, GREEN 8, BLUE, PURPLE); d. none of the above 9. Which of the following is not true about enumerated data types? a. enumerators can be used as array subscripts b. mathematical operators can be used to change the value of enumerators c. the values of enumerators can be displayed in cout statements d. enumerators must be unique within the same scope 10. This datatype can be used to create files and write information to them but cannot be used to read information from them a. outstream b. fstream c. ifstream d. ofstream 11. Which of the following statements opens the file info.txt for both input and output? a. dataFile.open("info.txt", ios in, los out): b. datafile.open("info.txt", input (output): c. datafile.open("info.txt", ios in ios out): d. datafile.open("info.txt", iosin | los out): 12. This member function can be used to store binary data to a file. a. get b. put c. read d. write 13. When a file stream object is passed to a function, it should be passed by reference. a. TRUE b. FALSE 14. This state bit is set when an attempted operation has failed. a. ios: failbit b. los badbit cios: hardfail d. ios: goodbit
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