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Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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#include <s tdio.h> Qint main(void) float total; int manth; float sales; float County; float state; float collections; Month = 0; total = 0; while (month<=12) { printf( "Enter total amount collected( -1 to quit):\n"); scanf_s( "%f", &total); if (total -1) { break; } == printf( "Enter name of month:\n"); scanf_s( "%d", &anonth); printf( "Total collections: $%.2 f\n", total); = total * 100/109; sales County = sales * 5/100; s tate = sales * 4/100; collections = County + state; printí( "Sales:%.2 f\n", sales); printf( "County Sales Tax: $%. 2 f\n", County); printf( "State Sales Tax: $%.2f\n", state); printf( "Total Sales Tax Collected:$%.2 f\n", collections); Month = month + 1; retum U;
Transcribed Image Text:#include <s tdio.h> Qint main(void) float total; int manth; float sales; float County; float state; float collections; Month = 0; total = 0; while (month<=12) { printf( "Enter total amount collected( -1 to quit):\n"); scanf_s( "%f", &total); if (total -1) { break; } == printf( "Enter name of month:\n"); scanf_s( "%d", &anonth); printf( "Total collections: $%.2 f\n", total); = total * 100/109; sales County = sales * 5/100; s tate = sales * 4/100; collections = County + state; printí( "Sales:%.2 f\n", sales); printf( "County Sales Tax: $%. 2 f\n", County); printf( "State Sales Tax: $%.2f\n", state); printf( "Total Sales Tax Collected:$%.2 f\n", collections); Month = month + 1; retum U;
Exercises 137 State which of the following are true and which are false. If a statement is false, explain why. a) An algorithm is a procedure for solving a problem in terms of the actions to be executed, without specifying the order of the actions. b) Unless directed otherwise, the computer automatically executes C statements in sequence. c) The if...else double-selection statement selects a single action. d) A logic error affects the program when the program is compiled. It does not fail or ter- minate the program prematurely. e) You can determine your platform's maximum unsigned int value with the constant UINT_MAX from <limits.h>. 3.15 For Exercises 3.16-3.20, perform each of these steps: 1. Read the problem statement. 2. Formulate the algorithm using pseudocode and top-down, stepwise refinement. 3. Write a C program. 4. Test, debug and execute the C program. 3.16 (Sales Tax) Sales tax is collected from buyers and remitted to the government. A retailer has to file a monthly sales tax report which lists the sales for the month and the amount of sales tax collected, at both the county and state levels. Develop a program that will input the total col- lections for a month, calculate the sales tax on the collections, and display the county and state taxes. Assume that states have a 4% sales tax and counties have a 5% sales tax. Here is a sample input/output dialog. Enter total amount collected (-1 to quit): 45678 Enter name of month: January Total Collections: $ 45678.00 Sales: $ 41906.42 County Sales Tax: $ 2095.32 State Sales Tax: $ 1676.26 Total Sales Tax Collected: $ 3771.58 Enter total amount collected (-1 to quit): 98000 Enter name of month: February Total Collection: $ 98000 Sales: $ 89908.26 County Sales Tax: $ 4495.41 State Sales Tax: $ 3596.33 Total Sales Tax Collected: $ 8091.74 Enter total amount collected (-1 to quit): -1 3.17 (Mortgage Calculator) Develop a C program to calculate the interest accrued on a bank cus- tomer's mortgage. For each customer, the following facts are available: a) the account number b) the mortgage amount c) the mortgage term d) the interest rate The program should input each fact, calculate the total interest payable ( = mortgage amount x interest rate x mortgage term), and add it to the mortgage amount to get the total amount payable. ould calculate the required monthly payment by dividing number of months in the mortgage term. The program should display the required monthly pay- ment rounded off to the nearest dollar. The program should process each customer's account at a time. Here is a sample input/ output dialog: It total amount payable by the 138 Chapter 3 Structured Program Development in C Enter account number (-1 to end): 100 Enter mortgage amount (in dollars): 6500 Enter mortgage term (in years): 3 Enter interest rate (as a decimal): 0.075 The monthly payable interest $ 221 Enter account number (-1 to end): 200 Enter mortgage amount (in dollars): 12000 Enter mortgage term (in years): 10 Enter interest rate (as a decimal): 0.045 The monthly payable interest is: $ 145 Enter account number (-1 to end): -1
Transcribed Image Text:Exercises 137 State which of the following are true and which are false. If a statement is false, explain why. a) An algorithm is a procedure for solving a problem in terms of the actions to be executed, without specifying the order of the actions. b) Unless directed otherwise, the computer automatically executes C statements in sequence. c) The if...else double-selection statement selects a single action. d) A logic error affects the program when the program is compiled. It does not fail or ter- minate the program prematurely. e) You can determine your platform's maximum unsigned int value with the constant UINT_MAX from <limits.h>. 3.15 For Exercises 3.16-3.20, perform each of these steps: 1. Read the problem statement. 2. Formulate the algorithm using pseudocode and top-down, stepwise refinement. 3. Write a C program. 4. Test, debug and execute the C program. 3.16 (Sales Tax) Sales tax is collected from buyers and remitted to the government. A retailer has to file a monthly sales tax report which lists the sales for the month and the amount of sales tax collected, at both the county and state levels. Develop a program that will input the total col- lections for a month, calculate the sales tax on the collections, and display the county and state taxes. Assume that states have a 4% sales tax and counties have a 5% sales tax. Here is a sample input/output dialog. Enter total amount collected (-1 to quit): 45678 Enter name of month: January Total Collections: $ 45678.00 Sales: $ 41906.42 County Sales Tax: $ 2095.32 State Sales Tax: $ 1676.26 Total Sales Tax Collected: $ 3771.58 Enter total amount collected (-1 to quit): 98000 Enter name of month: February Total Collection: $ 98000 Sales: $ 89908.26 County Sales Tax: $ 4495.41 State Sales Tax: $ 3596.33 Total Sales Tax Collected: $ 8091.74 Enter total amount collected (-1 to quit): -1 3.17 (Mortgage Calculator) Develop a C program to calculate the interest accrued on a bank cus- tomer's mortgage. For each customer, the following facts are available: a) the account number b) the mortgage amount c) the mortgage term d) the interest rate The program should input each fact, calculate the total interest payable ( = mortgage amount x interest rate x mortgage term), and add it to the mortgage amount to get the total amount payable. ould calculate the required monthly payment by dividing number of months in the mortgage term. The program should display the required monthly pay- ment rounded off to the nearest dollar. The program should process each customer's account at a time. Here is a sample input/ output dialog: It total amount payable by the 138 Chapter 3 Structured Program Development in C Enter account number (-1 to end): 100 Enter mortgage amount (in dollars): 6500 Enter mortgage term (in years): 3 Enter interest rate (as a decimal): 0.075 The monthly payable interest $ 221 Enter account number (-1 to end): 200 Enter mortgage amount (in dollars): 12000 Enter mortgage term (in years): 10 Enter interest rate (as a decimal): 0.045 The monthly payable interest is: $ 145 Enter account number (-1 to end): -1
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