What is an object in an object-oriented program? How can an object communicate with another object in such a program?

If a field with the Long Text data type is changed to Short Text, and more than 255 characters are entered, all extra characters will be permanently deleted

Indicate whether the statement is true or false

Using XML, authors can describe any type of data, including

a) music b) mathematical formulas c) software-configuration instructions d) All of the above