Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Chapter 12, Problem 12.3E
Program Plan Intro
Insulin pump:
Insulin pump system is an example of safety-critical system because failure in minute operations or service will lead injury or even death to the system users. Possible accidents for the users when using this machine involves heart, kidney, eye problem.
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You are tasked to design a system that will monitor and regulate the air flow in a hospital ward. The design should take inputs from all of the following four sensors:
Sensor A has been set to trigger when the windows in the ward are open.
Sensor B has been set to trigger when the relative level of moisture in the air has exceeded 30%.
Sensor C is an anemometer and has been set to trigger when the rate of air flow at the ventilation grills has dropped below 20 m/s.
Sensor D is a thermometer and has been set to trigger when the ambient temperature in the ward has exceeded 20°C.
The system should operate based on the following conditions:
• If the windows in the ward are closed, the system should switch on the air conditioning unit automatically if 1) the temperature is over 20°C and airflow rate is less 20m/s, or 2) temperature is over 20°C and humidity over 30%.
• If the windows in the ward are open and the ambient temperature is over 20°C, the system should generate an alert.
a)…
Program
PROJECT TITLE: IMPLEMENTATION OF DESIGN FOR RADIO FREQUENCY (RF) TECHNOLOGY BASED SPEED CONTROL SYSTEM FOR VEHICLES
PROJECT DESCRIPTION: Road safety at important places like schools, hill areas, highways, and expressways is very important. Roads should be designed for the safety of all road users, i.e., ensuring adequate facilities for pedestrians, cyclists, and motorcyclists. Measures such as footpaths, cycling lanes, safe crossing points, and traffic calming measures are critical to reducing the risk of injury among these road users. In this project, a speed control system for vehicles is proposed in which a microcontroller based system with RF based communication that is simple, low cost, and a durable project for safety of drivers as well as the public.
PLATFORM: EMU8086
What procedures should be followed to create a system for temperature monitoring?
Chapter 12 Solutions
Software Engineering (10th Edition)
Ch. 12 - Prob. 12.1ECh. 12 - Prob. 12.2ECh. 12 - Prob. 12.3ECh. 12 - Prob. 12.4ECh. 12 - Prob. 12.5ECh. 12 - Prob. 12.6ECh. 12 - Explain why using model checking is sometimes a...Ch. 12 - List four types of systems that may require...Ch. 12 - Prob. 12.9ECh. 12 - Should software engineers working on the...
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- Based on chapter 7, read the following Safety-critical system description then answer the questions follow: “A telesurgery system was developed so surgery could be carried on distance. The system consists of the two parts shown on the figure below. The right part (the main surgeon part) has mechanical arms which motion will be reflected on the ones in the left part (the patient and other medical staff part). Also, the right part has a screen showing instant video from the left part cameras. Of course there will be speakers and microphones. The two parts will be connected through LTE technology (Fourth Generation technology). The transmitted data will be compressed and buffered on transmitting and receiving. The system was tested in a hospital to check if all its parts are working well. One part resided on the 5th floor and the second one was on the 1st floor. And it was a success” The system developers argue that the system in its current state is not safe to be delivered to real-time…arrow_forwardIn what situations can temperature monitoring systems come in handy, and what are their advantages?arrow_forwardHow does the system determine when an error has occurred?arrow_forward
- When a user calls the help desk and complains that "My computer won't start," a skilled help desk worker should be prepared with a list of four crucial investigative questions to ask. Finding the cause of the problem is the aim.arrow_forwardProblem Description: Some highly confidential documents need to be kept in a super secured vault. The vault has 5 steps of security checkpoints without any human security personnel. Only an authorized person gets 5 different passwords to open and close 5 different security gates. Each password is effective to open and close the very same gate once. You have to enter 5 different authorized passwords to open 5 different gates. You have to keep track of which password was used to open one gate so that you can close the gate with the same password after finishing your job in the vault. You will finish your job in the vault and lock the series of gates using the correct sequence (which one you used to enter) of passwords. The passwords will be of string type. Question 1: Which data structure would you choose to keep track of the sequence of passwords to access the vault? Answer: Question 2: Write the Pseudocode of the insertion operation of this data structure. Answer: Question 3: Write the…arrow_forwardPlease design a portable system for indirect measuring of blood pressure every 5 min on ambulatory subjects. It should operate without attention from the subject for 24h and give an alert when high blood pressure (diastolic > 90 mmHg or systolic > 140 mmHg). Show a block diagram and describe the system operations, including power source, sensor, display, storage, and algorithm.arrow_forward
- INTI Online Book Purchasing System is a system to help student in book purchasing. The main objective for the system is to keep track of student records, student orders and the available books. The student may search for books before they order the books online. The system operator is responsible to verify the order submitted by the students. The order is process when it is available otherwise, a purchase order will be prepared. A feedback is send to the student when the process is completed. Each student will be characterized by a unique ID number, name, address and contact number. Each book holds information on the book title, author, category, and ISBN number. Student Order characterized by an ID number, date ordered, and quantity. Each order is associated with only one student. One student may have many orders and each order contains one or many book orders. Book order is characterized by order-number, date, ISBN number, quantity and total. Any book order is related to one and only…arrow_forwardThe last one is RESIGN INACCURACIES this relates to the type of machine or the process used during printing; the printers have a low tolerance meaning that the final product or parts after printing looks different from the original design. It could be fixed but this will increase the time and cost of production.arrow_forwardIn some older homes that do not have a central heating and air conditioning system, smaller air conditioning units made to fit inside of a window and cool a single room are used as an alternative way to cool the home. Depending on the size of the room and the amount of shade that the room has, different sizes of air conditioning units must be used in order to be able to properly cool the room. The unit of measure for the amount of cooling that an air conditioner unit can provide is the BTU (British Thermal Unit) per hour. Code a program that will calculate the correct size of air conditioner for a specific room size using the instructions below. Step 1: Ask the user to enter the length of their room (in feet). Step 2: Ask the user to enter the width of their room (in feet). Step 3: Calculate the area (in square feet) of the room by multiplying the length and the width of the room. For example, if a room is 20 feet wide by 24 feet long, then its area is 20 * 24 = 480 square feet Step…arrow_forward
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