Incorrect

Marks for this submission: 0/1.

Question 18

Marks: 1

What is the value of the local variable x at the end of main? int x = 5; int main(int argc, char** argv) { int x = x; return 0; }

Choose one answer.

	a. undefined
	b. 5
	c. 3
	d. 0
	e. code is incorrect

Incorrect

Marks for this submission: 0/1.

Question 19

Marks: 1

Write a single statement that performs the specified task. Assume that floating-point variables number1 and number2 have been declared and that number1 has been initialized to 7.3. Assume that variable ptr is of type char *. Assume that arrays s1 and s2 are each 100-element char arrays that are initialized with string literals. Append the first 10 characters from the string in s2 to the string in s1.

Choose one answer.

	a. string_cat( s1, s2, 10 );
	b. catstrn( s1, s2, 10 );
	c. strncat( s1, s2, 10 );

Incorrect

Marks for this submission: 0/1.

Question 20

Marks: 1

The three ways to return control from a called function to a caller are ________, ________ and ________.

Choose at least one answer.

	a. stop
	b. forward call
	c. encounter the closing right brace of a function
	d. return expression
	e. return
	f. break
	g. repeat
	h. goto

Partially correct

Marks for this submission: 0.67/1.

Question 21

Marks: 1

Which of the following is a correct comment?

Choose one answer.

	a. { Comment }
	b. */ Comments */
	c. \\
	d. /* Comment */
	e. ** Comment **

Correct

Marks for this submission: 1/1.

Question 22

Marks: 1

What is the value of x at the end of main? int main(int argc, char** argv) { int x = 50 % -7; return 0; }

Choose one answer.

	a. -1
	b. 1
	c. implementation defined
	d. undefined
	e. compiler error

Incorrect

Marks for this submission: 0/1.

Question 23

Marks: 1

What header file contains C++ file I/O instructions?

Choose one answer.

	a. iostream.h
	b. outstream.h
	c. file.h
	d. infstream.h
	e. fstream.h