Question 42

To force output to show the decimal point and trailing zeros use the manipulator ___________________.

Question options:

	None of these
	showpoint.
	showall.
	settrail.
	setzeros.
Question 43

The manipulator ___________ is used to output the value of an expression in a specific number of columns.

Question options:

	widthset
	setwd
	setw
	wset
	setwidth
Question 44

The syntax for the setw manipulator is ____________.

Question options:

	setw()
	none of these.
	setwd(n).
	setw.n
	setw(n).
Question 45

In order to use the manipulator setw the program must include the header file _____________.

Question options:

	iosetw
	istreamwidth
	iomanipp;
	iocolumns
	None of these.
Question 46

There are two types of manipulators:

Question options:

	char and float
	set and fill.
	None of these.
	with and without parameters.
	char and double
Question 47

The function ____________ reads until it reaches the end of the current line.

Question options:

	linereader
	readln
	putline
	readline
	getline
Question 48

The _____________ function can be used to read a string containing blanks.

Question options:

	getlines
	getsets
	getblanx
	readlines
	None of these
Question 50

C++ provides a header file called ____________ which is used for file I/O.

Question options:

	fstream
	fiostream
	None of these.
	iostream
	fileio
Question 52

File I/O is a __________ process.

Question options:

	three-step
	four-step
	two-step
	six-step
	five-step
Question 55

The file master1.txt resides on a storage device in drive F. The file stream variable was declared using the statement: ifstream retrieveit; In order to open master1.txt for input we should use_______________.

Question options:

	None of these.
	master1.txt.open.retrieveit;
	f:\master1.open(retrieveit);
	retrieveit.open("f:\\master1.txt");
	open.retrieveit("f:\\master1.txt");
Question 56

The two most common control structures are____________.

Question options:

	selection and repetition .
	sequence and repetition.
	sequence and boolean.
	None of these.
	ssequence and selection.