Answer the following statements true (T) or false (F)
1.If an application needs to store only a small amount of data, sequential and binary files are efficient and easy to use.
2. When developing applications that work with an intensive amount of data, most developers prefer to use a database management system.
3. Rather than retrieving or manipulating the data directly, applications send instructions to the DBMS, and the DBMS carries out those instructions and sends the results back to the application.
4. The application handles the mechanical details reading of, writing of, and searching for data in a database.
1. TRUE
2. TRUE
3. TRUE
4. FALSE
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Answer the following statements true (T) or false (F)
1. Two different objects of the same class have a different set of member functions. 2. You may not have more than one input and one output stream open at any one time. 3. The formatting options that were discussed for cout do not work for output file streams. 4. You must use a width statement before each variable that you want output in a certain width 5. If you use the width command, it stays in effect for all values that are send to the stream
A variable is a computer memory location where a programmer can permanently store an item of data while an application is running.
Answer the following statement true (T) or false (F)