Preparation for Final Exam mcq Quiz big - Попытка 1

Question1

Баллов: 1

Write one or more statements that perform the following task for and array called “fractions”.Refer to array element 4.

Выберите один ответ.

	a. fractions[ 3 ]
	b. fractions( 3 )
	c. fractions( 4 )
	d. no ideas
	e. fractions[ 4 ]

Question2

Баллов: 1

What keyword covers unhandled possibilities?

Выберите один ответ.

	a. all
	b. other
	c. else
	d. contingency
	e. default

Question3

Баллов: 1

Determine the value, true or false, of each of the following Boolean expressions, assuming that the value of the variable count is 0 and the value of the variable limit is 10.

!( ((count < 10) || (x < y)) && (count >= 0) )

Выберите один ответ.

	a. !(=true)
	b. true
	c. None of the given choices.
	d. Both true and false
	e. false

Question4

Баллов: 1

Which of these has the lowest precedence priority?

Выберите один ответ.

	a. >>
	b. ?:
	c. \
	d. ||
	e. &&

Question5

Баллов: 1

The stream member function flags with no arguments resets the stream's format state

Ответ:

TrueFalse

Question6

Баллов: 1

How many times is a do while loop guaranteed to loop?

Выберите один ответ.

	a. Variable
	b. 1
	c. 0
	d. Infinitely
	e. 5

Question7

Баллов: 1

Use a stream manipulator to ensure floating-point values print in scientific notation

Выберите один ответ.

	a. cout << scientific;
	b. cout << setprecision(2)<<fixed;

Question8

Баллов: 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.

Выберите один ответ.

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

Question9

Баллов: 1

Which of the following is a valid inline for function foo?

Выберите один ответ.

	a. inline:void foo() {}
	b. None
	c. inline int foo() {}
	d. void foo() inline {}
	e. inline void foo() {}

Question10

Баллов: 1

All variables must be declared before they are used.

Ответ:

TrueFalse