CSC133 Intro to CS in C++: Midterm Answers

Midterm Answers

A.  F  && T  is  F
B.  F  && T  is  F
C.  F  || T  is  T
D.  T  ||  F  &&  T  is  T  ||  F  is  T

A.  A > -5  && A <= 8
B.  A % 2 == 1  &&  B > 0
C.  C < 5  || C > 20

A.  B = 3 + 3 = 6
B.  A = 9
C.  B = B + 16 = 18
D.  B = 3 * 8 = 24
    A = 9
E.  B = B - (2 * 9) / (B * 2) = 2 - 18 / 4 = 2 - 4 = -2
    A = 9

   cout << "Enter premium: ";
   cin >> premium;
   cout << "Enter points: ";
   cin >> points;
   if (points == 0)
     surcharge = 0;
   else if (points <= 3)
     surcharge= premium * 0.05;
   else if (points <= 8)
     surcharge = premium * 0.12;
   else
     surcharge = premium * 0.18;
   total = premium + surcharge;
   cout << "Surcharge: " << surcharge << endl;
   cout << "Total cost: " << total << endl;

   cout << "Enter employee type: ";
   cin >> emptype;
   cout << "Enter salary: ";
   cin >> salary;
   switch (emptype)
   {
   case 'M':
     raise = salary * 0.045;
     break;
   case 'A':
     raise = salary * 0.053;
     break;
   case 'P':
   case 'T':
     raise = salary * 0.068;
     break;
   case 'S':
     raise = salary * 0.061;
     break;
   }
   cout << "Raise: " << raise << endl;
   salary += raise;
   cout << "Salary: " << salary << endl;

   num = 2;
   for (count = 0 ; count < 25 ; count += 2)
   {
     cout << "Enter an integer: ";
     cin >> value;
     if (value < 0)
        num = value * 3 + 1;
     else
        num = value * 2 – 1;
   }
   cout << "The value is " << num;

   done
   k = 2 count = 1 k = 4 count = 1 k = 6 count = 1
   8
   done
   k = 2 count = 2 k = 4 count = 2 k = 6 count = 2
   8
   done
   k = 2 count = 3 k = 4 count = 3 k = 6 count = 3
   8

   cout << "Enter two numbers: ";
   cin >> num1 >> num2;
   while (num1 != 0 || num2 != 0)
   {
     cout << "The numbers: ";
     if (num1 < num2)
        cout << num1 << "  " << num2 << endl;
     else
        cout << num2 << "  " << num1 << endl;
     cout << "Enter two numbers: ";
     cin >> num1 >> num2;
   }

   for (i = 1 ; i < = 7 ; i++)
   {
     for (j = i ; j < i + 5 ; j++)
        cout << j << "  ";
     cout << endl;
   }

A.  int num;   or   float value = 2.75;
B.  value > 0
C.  num = 10;   or   value = value + num * 2;
D.  float value = 2.75;