Computational Thinking, Quiz 1 important questions

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Question 1

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Assume that a, b, and c are three distinct integers. What will X represent after the execution of the following procedure?

Step 1. Maintain variable X and initialize it to 0

Step 2. If a < b then go to Step 4

Step 3. If b < c then store b in X else store c in X and stop the procedure.

Step 4. If a < c then store a in X else store c in X

Select one option

• A.

  Largest among a, b, and c

• B.

  Smallest among a, b, and c

• C.

  X will always be 0

• D.

  Second smallest among a, b, and c

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Assume that a, b, and c are three distinct integers. What will X represent after the execution of the following procedure? Step 1. Maintain variable X and initialize it to 0 Step 2. If a < b then go to Step 4 Step 3. If b < c then store b in X else store c in X and stop the procedure. Step 4. If a < c then store a in X else store c in X The following pseudocode is executed using the “Scores” dataset. What will count represent at the end of pseudocode? count = 0 while(Table 1 has more rows){ Read the first row X from Table 1 C = 0 if(X.Mathematics > 75){ C = C + 1 } if(X.Physics > 75){ C = C + 1 } if(X.Chemistry > 75){ C = C + 1 } if(C ≤ 2){ count = count + 1 } Move X to Table 2 } The following pseudocode is executed using the “Scores” dataset. A = 0, B = 0, C = False while(Pile 1 has more cards){ Read the top card X from Pile 1 if(X.Gender == 'F'){ if(X.CityTown == "Chennai"){ A = A + 1 } } Move card X to Pile 2 } while(Pile 2 has more cards){ Read the top card X from Pile 2 if(X.CityTown == "Bangalore"){ if(X.Gender ≠ 'F'){ B = B + 1 } } Move card X to Pile 1 } if(A > B){ C = True } When will C be True?