TCO 1 -10 Solutions

 

Question 1.1. (TCO 4) Which pseudocode keyword is not included in a selection with a single action? (Points : 2)
       If
       Then
       Else
       End If
 

Question 2.2. (TCO 4) In C#, which of the following is not a logical operator? (Points : 2)
       &&
       ||
       Set
       All of the above
 

Question 3.3. (TCO 4) Both conditions must be false in order for the _____ operator to evaluate to false. (Points : 2)
       &&
       ||
       !=
       ==
 

Question 4.4. (TCO 4) Which Boolean expression would be used to select all employees who make between $10 and $12 per hour? (Points : 2)
       rate < 10 || rate 12
       rate < 10 && rate 12
       rate = 10 || rate <= 12
       rate = 10 && rate <= 12
 

Question 5.5. (TCO 4) Evaluate each of the following conditions (as being true or false). Assume A
= 3, B = 6, C = 3, and D = 18.
NOT (D 20) OR C < A (Points : 2)
       True 
       False 
 

Question 6.6. (TCO 4) Evaluate each of the following conditions (as being true or false). Assume A
= 3, B = 10, and Z = “five”.
A * 2 < B / 2 OR Z < “two” (Points : 2)
       True 
       False 
 

Question 7.7. (TCOs 3 and 4) Given the following If structure, assume B = 4. Which will be the output?

 (Points : 2)
       7
       B
       Dr. Evil
       Howdy
 

Question 8.8. (TCOs 3 and 8) Which will be displayed after the following process is completed?
            Start
                        Set x = 3
                        Set y = 2                                   
                        Set z = 3
                        If ((x = 1) OR (y = 1) OR (z = 1)) then
                                    Set ans = “True”
                        Else      
                                    Set ans = “False”
                        End if
                        Display ans 
            Stop (Points : 2)
       True 
       False 
 

Question 9.9. (TCO 8) Which will be displayed after the following process is completed?

            Start
Set w = 0
                        Set x = 1
                        Set y = 2                                   
                        Set z = 3
                        If ((w = 0 OR x = 1) AND (y = 2 AND z = 3)) then
                                    Set ans = “T”
                        Else
                                    Set ans = “F”
                        End if
                        Display ans 
            Stop (Points : 2)
       True 
       False 
 

Question 10.10. (TCO 8) Which will be displayed after the following process is completed?

            Start

Set grade = “X”

                        If (grade < “A” AND grade < “B” AND grade < “C”

                                    AND grade < “D” AND grade < “F”) then

                                    Set message = "invalid grade"

                        Else

                                    Set message = "valid grade“

                        End if

                        Display message

            Stop(Points : 2)
       valid grade
       invalid grade