
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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1. Your
A) True
B) False
2. A float typically uses more memory than a double
A) True
B) False
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- 3. Consider a function that will test whether a person is qualified to finance a luxury car. They are qualified if their annual income is greater than $100,000 and the sales price is less than $1,000,000. Income and sales price are parameters of the function. The function returns a message to the program stating whether the person is qualified or not. Complete this function table Purpose a. Name Parameters Result finance() b. Write the function: c. Write a Python program that inputs income and sales price from the user. Using a while loop, the program validates the income is greater than zero. The program invokes the finance() function with this print statement: "print (finance (income, salesPrice))" d. Test your while loop by seeing what happens when an invalid income is input and then a valid income. Then run your program once with too low an income to finance but okay sales price, once with an okay income and okay sales price, and once with an okay income but too high a sales price.arrow_forwardWrite a function argument_count that accepts an integer i, followed by any number of additional arguments. The function should returnTrue if the value given to i is equal to the number of arguments that follows it, and should return False otherwise.arrow_forwardSelect the statements that apply to local variables. Only statements within subroutine can view or modify local variables. Storage used by local variables is released when subroutine ends. Local variable name cannot have the same name as a local variable in another function.arrow_forward
- What benefits can you get from using a function?arrow_forwardWhich statement of the following is the most appropriate? Group of answer choices One good method for specifying what a function is supposed to do is to provide a precondition and postcondition for the function. One good method for specifying what a function is supposed to do is to provide a precondition and postcondition for the function. These form a contract between the programmer who uses the function and the programmer who writes the function. Using the assert function to check preconditions can significantly reduce debugging time, and the assertion-checking can later be turned off if program speed is a consideration. One good method for specifying what a function is supposed to do is to provide a precondition and postcondition for the function. These form a contract between the programmer who uses the function and the programmer who writes the function. Using the assert function to check preconditions can significantly reduce debugging time, and the…arrow_forwardWrite a flowchart and C code for a program that does the following: Declare an array that will store 9 values Use a for() statement to store user entered scores for all 9- holes Create a function and pass the array into the definition of the function to compute the total Use an accumulating total statement to compute the total score Display the overall total to the output screen so that the golfer can see if he won.arrow_forward
- 2. Safir Market wants you to create a simple python program for calculating Total cost and change for their customers. The program should start by reading price, articles and Money. Then you need to do the following: • Create a void function that will display "Safir Market" • Create a function with return value and with parameters that will compute Total cost as product of articles and price • Create a function that will accept the computed Total cost as a parameter and will compute the change. If the Total cost is more than or equal to Money, the balance is to be calculated as Money - Total cost, otherwise print the message 'Money not enough' • Display the output as shown below, Sample output Enter the price: 345 Enter number of articles: 4 Enter Money: 65 -Safir Market Total cost is: 1380.0 Money not enough Change is: Nonearrow_forwardWrite in Python Write a function named max that accepts two float values as arguments and returns the value that is the greater of the two. For example, if 7.2 and 12.1 are passed as arguments to the function, the function should return 12.1. Use the function in a program that prompts the user to enter two float values. The program should display the value that is the greater of the two.arrow_forwardCalling a function and defining a function mean the same thing True or Falsearrow_forward
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