11.How is the basefield of a numeral defined in C++?
12.What is an I/O stream flag? What stream flags are more suitable than standard manipulator?
13.List the various I/O stream flags and their meanings.
14.Explain the syntactic rules governing the following I/O stream flags.
1.showbase
2.showpoint
3.showpos
4.scientific
15What is an adjust field format flag?
16.Explain the various kinds for formatting of a floating point value used in C++?