Which of the following statements about testing are always true. A. If a test fails, there must necessarily be a defect in the executed code. B. If a test passes, there cannot be a defect in any code executed by the test, but there could be a defect elsewhere in the function. C. If a test is unsound, that test passing or failing doesn't tell us whether or not a defect exists. D. All of the above are true

Which of the following statements about testing are always true. A. If a test fails, there must necessarily be a defect in the executed code. B. If a test passes, there cannot be a defect in any code executed by the test, but there could be a defect elsewhere in the function. C. If a test is unsound, that test passing or failing doesn't tell us whether or not a defect exists. D. All of the above are true

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

*DONOT USE CHATGPT, please put comments so i can understand. It’s a C language program with algorithm.
You might be wondering why you'd want to utilise a return statement in a void function.
Consider the following function prototype: void testFun (int x, int y = 7, char z = *): Which of the following function calls is correct? Select one: a. testFun(5); O b. testFun(5, 8); O c. testFun(0, 0, *); O d. All are correct.
Code it fast Screenshot attach for confirmation
I need the answer as soon as possible
What is the return value of a function that doesn't specify a return statement or simply has an empty return statement? Example: def x(a,b): print(x) return
Please tell me where I get wrong.
1. Write function printGrade in void function to compute and output the course grade. The course score is passed as a parameter to the function printGrade. (The program will take 5 inputs for 5 subjects. And show the grade of each subject. And calculate the CGPA) TTTE Percentage Score Quality Point Renark Letter Grade 8e - 100 75 - 79 70- 74 65- 69 6e- 64 55- 59 se - 54 45 - 49 40 - 44 35 - 39 e. 34 Excellent Extrenely Good Very Good Good Fairly Good Satisfactory Quite Satisfactory Poor 4.00 3.67 3.33 3.00 2.67 2.33 2.e0 1.67 1.33 Very Poor Extremely Poor Fail 1.00 Expected Output: Inputs 1. Mark for the programming is: 2. Mark for the Math is: 80 85 3. Mark for the Database System is: 4. Mark for the Software Engineering is: 5. Mark for the Business Fundamental is: 74 76 65 Output Letter Grade for Programming: A Letter Grade for Math: A Letter Grade for Database System: Letter Grade for Software Engineering: Letter Grade for Business Fundamental: Remark: B+ A- в Extremely Good 2.…
INSTRUCTIONS: Write a C++ script/code to do the given problems.MOVIE PROBLEM: Write a function that checks whether a person can watch an R18+ rated movie. One of the following two conditions is required for admittance:• The person is atleast 18 years old.• They have parental supervision.The function accepts two parameters, age and isSupervised. Return a boolean. Let the age and if supervised (yes or no) be user-input.Example:acceptIntoMovie(14, true) ➞ trueacceptIntoMovie(14, false) ➞ false
For each of the 4 functions below, Re-code each one to make it programmer friendly, using standard coding conventions, and documentation. Document each function with: a description of what it does (one sentence) and how it works (no more than 3 sentences). Also, provide a precondition: and a postcondition: statement. (See example for the setTime function below.) 1. 2. setTime(int hours, int minutes, int seconds); //Function to set the time //The time is set according to the parameters //Precondition: All parameters are valid numbers, within the range of clock hours (1-12), minutes (0 - 59), and seconds (0 - 59). //Postcondition: The clockType instance stores the hours, minutes and seconds. // If any of the parameters are not valid the time values will be set to zeros. int _1 (double x) {return (int) (x + 0.5); }; int _2 (char* s) {char*t = s; while (*t!='\0') {t++; }return t-s;}; 3. long 3 (int x,int y) {long n=1; for (int i = 0;i < y;i++) {n*=x; } return n; };
*Modify the program so that the user will error trap for only 1 and 0 as an input. *If the user enters an input other than 1 or 0 display an error message and request the user enter that input again. *Do this for all inputs in the code. # User defined function for logic OR# The function takes two parameters and returns a single intdef OR(a: int, b: int)->int:# If a is equal to 1 return 1if a == 1 :return 1# If b is equal to 1 return 1elif b == 1 :return 1# If a and b is equal to 0 return 0else :return 0 # User defined function for logic NOR# The function takes two parameters and returns a single intdef NOR(a: int, b: int)->int:# If a is equal to 0 and b is also equal to 0 return 1if a == 0 and b == 0 :return 1# If a is equal to 0 and b is equal to 1 return 0elif a == 0 and b == 1 :return 0# If a is equal to 1 and b is also equal to 0 return 0elif a == 1 and b == 0 :return 0# If a is equal to 1 and b is also equal to 1 return 0elif a == 1 and b == 1 :return 0 # User defined…
All lines of code in your program can be reached and executed when I run your program define two functions and they have a "meaningful purpose" to your program. Each function must have more than three statements or lines of code. At least one function defines a parameter and you use this parameter in a meaningful way At least one function returns a value back to the code that is calling it and it is used in a meaningful way