CIS 115 Final Exam

1. (TCO 1) Receiving information from the user is considered a(n) _____ operation. (Points : 5) input process assignment output

Question 2.2. (TCO 2) Which variable name is invalid? (Points : 5) tax_rate StudentName 2012budget None of the above

Question 3.3. (TCO 3) Which symbol is used in a flowchart for both selection and repetition? (Points : 5) Rectangle Diamond Parallelogram Lozenge

Question 4.4. (TCO 2) Set course = “CIS115” is a process. Which data type would you expect the course variable to have? (Points : 5) Integer Real String Any of the above

Question 5.5. (TCO 3) Which tool is used by developers to depict the relationship between modules? (Points : 5) Desk-checking Flowcharts Pseudocode Hierarchy charts

Question 6.6. (TCO 2) When a program evaluates mathematical expressions, which of the following operators (or mathematical operations) has the highest precedence? (Points : 5) Addition Multiplication Subtraction All have equal precedence.

Question 7.7. (TCOs 2, 7) Which one of the following is not a valid assignment statement in a program? (Points : 5) b = -b x – 6 = a a = a + 1 None of the above

Question 8.8. (TCO 2) Which value will be contained in the variablex after the following statement is executed? x = 2 + 8 / 2 * 5 (Points : 5) 1 22 4 None of the above

Question 9.9. (TCO 2) Which statement indicates that the variablerep is being used as an accumulator? (Points : 5) rep = 0 rep = rep + 1 rep = rep + x rep = rep + 10

Question 10.10. (TCO 4) For the following expression to be false, _____. condition1 OR condition2 (Points : 5) both conditions must be false both conditions must be true either condition can be false either condition can be true

Question 11.11. (TCOs 2, 7, and 8) Review the partial pseudocode below. Which is the correct math expression to complete the algorithm and calculate the total sale? Prompt “Enter quantity purchased: “ Input quantity Prompt “Enter price each: “ Input price Set _____ Display “total price: “ + total (Points : 5) total = price total = quantity * price total = quantity + price total = quantity

Question 12.12. (TCOs 3, 4, and 8) Review the pseudocode below. Which will be displayed when this algorithm executes? Set x = 11 If ((x > 10) AND (x < 20))=""> Display “the IF path executes” Else Display “the ELSE path executes” EndIf (Points : 5) the IF path executes the ELSE path executes 10 (x > 10) AND (x < 20)="">

Question 13.13. (TCOs 3, 4, and 8) Which value gets displayed for the variable X? Set A = 6 Set B = 10 Set C = 20 If (B > 15) OR (A = 5) OR (C <= 15)="" then=""> Set X = 1 Else Set X = 0 EndIf Display X (Points : 5) 5 0 10 1

1. (TCOs 2,4, 5, and 8) Write a program to input a purchase amount and calculate the sales tax and total due. The sales tax depends on the county identifying code. Counties with a number less than 15 have a 5% sales tax. The 16–30 codes have a sales tax of 6%. Codes above 30 have a sales tax of 7%. The purchase amount and county code are entered by the user. Use a loop to validate that the county code is between 8 and 40. Display the amount of the sales tax and the total. (Points : 20)

Question 2.2. (TCOs 3, 4, and 8) In the following pseudocode, which raise will an employee in Department 6 receive? If department < 2=""> Set raise = 1000 Else If department < 6=""> Set raise = 2500 Else Set raise = 3000 EndIf EndIf (Points : 5)

1,000
2,500
3,000
0

Question 3.3. (TCOs 3 and 4) Which of the selection structures determine whether the user enters any number other than 25? (Points : 5)

If commission <> 25
If commission <=>
If (commission >= 20) && (commission <>
If (commission >=20) || (commission <= 25)="">

Question 4.4. (TCOs 3, 4, and 8) Which value gets displayed for the variable Z? Set balance = 700 Set stateCode = 6 Set creditCode = 7 If (balance <> 800) OR (stateCode <> 6) OR (creditCode <> 7) then Set Z = 3 Else Set Z = 2 EndIf Display Z (Points : 5)

3
2
6
7

Question 5.5. (TCO 5) The variable used in the expression controlling the loop is known as the _____. (Points : 5)

loop control variable
loop iterations
loop expression variable
loop body

Question 6.6. (TCO 5) A FOR loop is considered what type of loop? (Points : 5)

A counted loop
A post-test loop
An event-controlled loop
A selection structure

Question 7.7. (TCO 5) In the following code, how many times will the loop body be executed? int num; for (num = 10; num <= 20;num+=""> { Console.WriteLine(num); } (Points : 5)

0
3
4
6

Question 8.8. (TCOs 3, 5, and 8) In the following code, how many times will the loop body be executed? int x=1; while(x<> { Console.WriteLine(x); x = x + 1; } (Points : 5)

0
1
6
7

Question 9.9. (TCO 6) Which is an array element? (Points : 5)

A specific value in an array
An alternate name for an array
A number that indicates the position of a particular item within an array
A number that represents the highest value stored within an array

Question 10.10. (TCO 6) Which is the value of the index used to access the last element in a C# array declared as the following? int[] num = new int[10]; (Points : 5)

0
9
10

11

Question 11.11. (TCOs 5 and 6) Which loop would be used to process each element of an array declared as the following? int[] nums = new int[5]; (Points : 5) for (int index = 1; index <4;> for (int index = 0; index <6;> for (int index = 1; index <5;> for (int index = 0; index <5; index++)="">

Question 12.12. (TCO 6) A zero-based array named sales has been declared and loaded with the values 100, 1100, 3400, 5550, 3000, 22300, and 1200. Which value(s) will be stored in the array element sales[0]? (Points : 5) 100 1100 3400 100, 1100

Question 13.13. (TCOs 7 and 8) Using this statement in C# to output the value of the variable num will result in which type of error? WriteLine.Console(num); (Points : 5) Syntax error Runtime error Logic error No error

Question 14.14. (TCOs 3 and 8) Which of the following statements is not true? (Points : 5) A sub procedure is a procedure that performs actions. A function procedure is a procedure that performs actions. A sub procedure returns a value to the point from which it was called. A function procedure returns a value to the point from which it was called.

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