Exam 5: Control Structures II (Repetition)

Suppose j,sum,and num are int variables,and the input is 26 34 61 4 -1.What is the output of the code? sum = 0; Cin >> num; For (int j = 1; j <= 4; j++) { $\quad$ Sum = sum + num; $\quad$ Cin >> num; } Cout << sum << endl;

What is the value of x after the following statements execute? int x = 5; Int y = 30; Do X = x * 2; While (x < y);

A(n)____-controlled while loop uses a bool variable to control the loop.

What is the next Fibonacci number in the following sequence? 1,1,2,3,5,8,13,21,...

The number of iterations of a counter-controlled loop is known in advance.

Suppose sum,num,and j are int variables,and the input is 4 7 12 9 -1.What is the output of the following code? cin >> sum; Cin >> num; For (j = 1; j <= 3; j++) { $\quad$ Cin >> num; $\quad$ Sum = sum + num; } Cout << sum << endl;

What is the output of the following C++ code? int j; For (j = 10; j <= 10; j++) $\quad$ Cout << j << " "; Cout << j << endl;

A loop ____________________ is a set of statements that remains true each time the loop body is executed.

The function eof is a member of the data type ____________________.

Which of the following loops is guaranteed to execute at least once?