To ensure that data is entered in the field and that a zero-length string is not appropriate, you can set the ____ property to Yes and the Allow Zero Length property to No.

When the Remove method is called on a string, ________.

a) the first argument passed to the method is an index b) the second argument passed to the method specifies the number of characters to delete c) the method operates on a copy of the string d) the method returns a string e) All of the above.

Answer the following questions true (T) or false (F)

1. True/False: It is impossible to store the fraction 0.5 in 6 bits as a binary number because 0.510 = 0.12. 2. True/False: To store the binary number 101012in an 8-bit location, simply add three zeros to get 101010002 . 3. True/False: A number system that uses 19 as a base would be impossible to create because the highest possible number system is 16 .