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Question 1. 1. (TCO 1) Which of the following is a valid C++ identifier? (Points

ID: 3547043 • Letter: Q

Question

Question 1.1. (TCO 1) Which of the       following is a valid C++ identifier? (Points       : 5)

      2For1
          
A_+_B
          
Two/one
          
A_plus_B
    
    

Question 2.2. (TCO 1) Which of the       following identifies syntax errors in programs written in a high-level       language? (Points : 5)

      Assembler
          
Compiler
          
Preprocessor
          
Linker
    
    

Question 3.3. (TCO 1) For the values       given, what will c contain after executing the following?
       
      
int a = 9, b = 4, c = -1;
      c = a / b - 1;

      
      (Points : 5)

      3
          
1.25
          
1
          
-1
    
    

Question 4.4. (TCO 1) For the values       given, what will c contain after executing the following?
       
      
int a = 9, b = 4, c = -1;
      c *= --b * a;

      
      (Points : 5)

      27
          
-36
          
-27
          
36
    
    

Question 5.5. (TCO 1) A slash sign (/) is       called (Points : 5)

      the separation operator.
          
the divide operator.
          
the slash operator.
          
None of the above
    
    

Question 6.6. (TCO 1) What is the result       of 56 % 10? (Points : 5)

      10
          
5
          
5.6
          
6
    

    
    

Question 7.7. (TCO 1) What is the output       for the following code fragment?
       
      
int var1 = 20;
      cout << --var1;
      cout << ++var1;

      
      (Points : 5)

      1920
          
1921
          
2020
          
2021
    
    

Question 8.8. (TCO 1) Which operation in       the following expression will be performed first?
       
      
c = a++ / b + 5;
      
      (Points : 5)

      a++
          
a / b
          
b + 5
          
assignment to c
    

    
    

Question 9.9. (TCO 2) When used with       cout, << is called (Points       : 5)

      the insertion operator
          
the extraction operator
          
the assignment operator
          
None of the above
    
    

Question 10.10. (TCO 2) The users of your       C++ program complain that the program's window exits before they have a       chance to view the results. How can you remedy this problem? (Points : 5)

      Add "cin.ignore(2)"     to the end of the program's code
          
Add     "cout.putback(2)" to the last line of code
          
Add "endl" to the     end of the last line of code
          
Add "cin.get(2)" to     the end of the program's code
    
    

Question 11.11. (TCO 2) Which statement       outputs a double value in a field of six characters with three       digits after the decimal point? (Points       : 5)

      cout << 6chars <<     3digits << 1.234;
          
cout << fixed <<     setprecision(3) << 1.234;
          
cout << setprecision(3)     << setw(6) << 1.2345678;
          
cout >> setprecision(3)     >> 6chars >> 1.234;

              

Question 1.1. (TCO 1) Which of the       following is a valid C++ identifier? (Points       : 5)

           

      2For1
          
A_+_B
          
Two/one
          
A_plus_B
    
    

       

              

Question 2.2. (TCO 1) Which of the       following identifies syntax errors in programs written in a high-level       language? (Points : 5)

           

      Assembler
          
Compiler
          
Preprocessor
          
Linker
    
    

       

              

Question 3.3. (TCO 1) For the values       given, what will c contain after executing the following?
       
      
int a = 9, b = 4, c = -1;
      c = a / b - 1;

      
      (Points : 5)

           

      3
          
1.25
          
1
          
-1
    
    

       

              

Question 4.4. (TCO 1) For the values       given, what will c contain after executing the following?
       
      
int a = 9, b = 4, c = -1;
      c *= --b * a;

      
      (Points : 5)

           

      27
          
-36
          
-27
          
36
    
    

       

              

Question 5.5. (TCO 1) A slash sign (/) is       called (Points : 5)

           

      the separation operator.
          
the divide operator.
          
the slash operator.
          
None of the above
    
    

       

              

Question 6.6. (TCO 1) What is the result       of 56 % 10? (Points : 5)

           

      10
          
5
          
5.6
          
6
    

    
    

       

              

Question 7.7. (TCO 1) What is the output       for the following code fragment?
       
      
int var1 = 20;
      cout << --var1;
      cout << ++var1;

      
      (Points : 5)

           

      1920
          
1921
          
2020
          
2021
    
    

       

              

Question 8.8. (TCO 1) Which operation in       the following expression will be performed first?
       
      
c = a++ / b + 5;
      
      (Points : 5)

           

      a++
          
a / b
          
b + 5
          
assignment to c
    

    
    

       

              

Question 9.9. (TCO 2) When used with       cout, << is called (Points       : 5)

           

      the insertion operator
          
the extraction operator
          
the assignment operator
          
None of the above
    
    

       

              

Question 10.10. (TCO 2) The users of your       C++ program complain that the program's window exits before they have a       chance to view the results. How can you remedy this problem? (Points : 5)

           

      Add "cin.ignore(2)"     to the end of the program's code
          
Add     "cout.putback(2)" to the last line of code
          
Add "endl" to the     end of the last line of code
          
Add "cin.get(2)" to     the end of the program's code
    
    

       

              

Question 11.11. (TCO 2) Which statement       outputs a double value in a field of six characters with three       digits after the decimal point? (Points       : 5)

           

      cout << 6chars <<     3digits << 1.234;
          
cout << fixed <<     setprecision(3) << 1.234;
          
cout << setprecision(3)     << setw(6) << 1.2345678;
          
cout >> setprecision(3)     >> 6chars >> 1.234;

       

Explanation / Answer

(1) A_plus_B

(2)
Preprocessor

(3)1

(4)36

(5)the divide operator.

(6)6

(7)1920

(8)a++

(9)the extraction operator

(10)Add "cin.get(2)" to the end of the program's code

(11)cout << setprecision(3) << setw(6) << 1.2345678;


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