True/False 3 Points each ( total points 30) 1. The escape sequence ‘\ ’ means ne
ID: 3674392 • Letter: T
Question
True/False 3 Points each ( total points 30) 1. The escape sequence ‘ ’ means newline. It causes the cursor to move to the beginning of the next line on the screen. 2. C++ programs begin executing at the function main ( ) , even if main does not appear first in the program. 3. The module operator % can be used both with integer and double numbers. 4. A selection control structure chooses among alternative courses of action. 5. A nested control statement appears in the body of another control statement. 6. The statements Salary = 5000.00 is same as Salary = = 5000.00. 7. The statement count = count + 1 is same as ++ count . 8. A structured program should be written using only the three control structures, sequence, selection and repetition. 9. The logical OR operator ( | | ) ensures that both conditions are true before choosing certain path for execution. 10. In C++ the return value of a true statement is 1 and the return value of a false statement is zero. Questions 11 to 15 worth 8 points each total 40 points 11 . What is the output of the following C++ loop? (8 Points) for ( int K =11 ; K >= 1 ; K = K + 2 ) cout << K << endl; 12. What is the output of the following loop? (8 points). int M = 1; while ( M < = 20 ) { if ( M % 5 = = 0 ) continue; else cout << M<
Explanation / Answer
1) TRUE.
" " causes the cursor to move to the beginning of the next line on the screen.
2) TRUE.
C++ programs begin executing at the function main ( ) , even if main does not appear first in the program.
3) FALSE.
% can only be used with integral variables.
4) TRUE.
A selection control structure chooses among alternative courses of action.
5) TRUE.
A nested control statement appears in the body of another control statement.
6) FALSE
The statement Salary = 5000.00 is an assignment statment where as Salary == 5000.00 is a conditional statement.
7) TRUE.
The statement count = count + 1 is same as ++ count .
8) TRUE.
A structured program should be written using only the three control structures, sequence, selection and repetition.
9) FALSE.
The logical OR operator ( | | ) ensures that either/both of the conditions to be true before choosing certain path for execution.
10) TRUE.
In C++ the return value of a true statement is 1 and the return value of a false statement is zero.
11) 11
9
7
5
3
1
12) Question not complete.
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