Wednesday, March 11, 2020

Development of Smartphone


 
SMARTPHONE VS RFID AND BARCODE SYSTEM
a) The smartphone can control only by course teacherand teacher can retake or modify the attendance whichis not possible in RFID and bar coding.
b) The smartphone is cost effective and faster where theprice of RFID reader or bar code reader is muchhigher. In this system, there is no extra cost for buyingRFID card or bar code reader.
c) In RFID or bar coding system one student must carryhis/her RFID card or bar code card which is difficultto do always, even one student carry another’s card
d) Reading from RFID or bar coding is time-consumingand sometimes it needs an operator to operate but inSmartphone requires minimum time and no need anextra operator to operate.
e) Endeavoring to peruse a few tags at any given momentmay bring about flag impact and eventually to datamisfortune in RFID system, our system is free fromthis type of problem.
f) Assembling of tags is not yet 100% disappointmentfree today; around 20–30% of tags utilized as a part ofearly RFID pilots have been faulty.
g) In bar coding system there arise some problems like asoptical observable pathway checking, constrainedperceptibility, confined traceability, unequipped foritem level tracking, work concentrated, defenseless toecological destruction, inclined to human blunder.

HIGHLEVELSYSTEMDESIGN
The Smartphone-based Student Attendance Systemusing mobile application improves automated recording of student attendance in school/college/university. With a specific end goal to framework plan, various Smartphone-based strategies and systems have been implemented. Related research on the framework improvement and testing were additionally studied to give direction in assessing the system while taking the reasonable approach in planning the proposed framework. Our proposed framework comprises of three fundamental modules namely the Mobile application, Database module and Web server module. Those modules are integrated together to get the desired result. Every module conveys its own capacities and unique elements. The system block diagram is outlined in Fig. 2, where principle parts are depicted. A.Mobile Application The mobile application provides all the facilities of the system of Smartphone-based Student Attendance. The application provides a user interface which communicates with the course teacher and helps to take attendance. Then it can be saved in phone SQLite database as well as in MySQL database simultaneously. The MySQL database is placed in web server which ensures the remote store of attendance. By using this application user can calculate percentage automatically, print details of the attendance, send SMS, and send an email.B.Database and Web Server A database is characterized as a composed gathering of data. Our database is utilized to particularly store the data gathered by the mobile application. In addition to more features to the clients, our online framework can operate the recorded student attendance record by inquiring the database. This incorporates computerized operation, for example, condensing a specific student attendance by figuring the attendance rate for a unique course. The web server provides the facility of MySQL database. The server is the remote store of attendance record. Only the mobile application can communicate with the web server. The application can update the MySQL database and can retrieve data from web server. If the loss of data occurs user can restore from web server MySQL database. An instructor may alter details of a student yet a student is not permitted to do any alteration to their information.

Development of Smartphone

FEATURESOFTHEAPPLICATION

A.Taking Attendance and Percentage Calculations Every student attendance against each course is set apart on the premise of stay in the class. If stay time in the class ties with the required time, then attendance is denoted as ‘Present’. The attendance of students who were out of class during a class hour is marked as ‘Absence’. There is no chance of duplication record in the system. The percentage calculations are performed automatically by mobile application for every student in each registered courses in order to check his/her performance to attend in the examination. If the calculated percentage is less than the required percentage then the student will be suffered.

B. Emailing System and Messaging System In the case of low percentage, an e-mail is sent to student’s guardian including the percentage details as well as a warning. By this, the students’ parents will be automatically updated about his /her child’s progress. For sending Short Message Service (SMS), the mobile application is used. Whenever the student acquires a low percentage, an SMS is sent to his/her guardian to update them about their Child’s Progress in case they are not able to check their email.

SYSTEMTESTINGANDRESULTS
To guarantee the framework exactness and fruitfulness, framework testing has been done over the framework condition that incorporates the client-side application, server-side application, and mobile application.The mobile application was tested by inserting sample teacher information, course information, and student information and then checked the operation of check attendance, modify attendance, print attendance, send SMS to the students or to their guardians, and send Email to the students or to their guardians. In overall, our goal to improve a model of a Smartphone-based Student Attendance Systemwas effective. The login menu of Smartphone-based Student Attendance Systemensures the access the application system. The client login verification procedure was effectively tested, which keeps an interloper's entrance into restricted access of the application. Anyone without ID and password can’t the framework. At the point when a client is effectively signed in, the client gets the entrance to the primary page that shows a menu containing an arrangement of features provided to the client. Smartphone-based Student Attendance System Take Attendance page contains a list of the roll and corresponding attendance. Only the course teacher can take attendance. Smartphone-based Student Attendance System Take Attendance page illustrates in Fig. 4. Fig. 5 depicts a page showing the student’s full data in the portable data file (pdf). The presence in the class is denoted
by () and absence denoted as (X).The mobile application automatically calculated the percentage according to the data. The percentage less than 60% is marked by red color and others marked as green. At the point when a client is effectively signed in, the client gets the entrance to the primary page that shows a menu containing an arrangement of features provided to the client.Smartphone-based Student Attendance System Take Attendance page contains a list of the roll and corresponding attendance. Only the course teacher can take attendance. Smartphone-based Student Attendance System Take Attendance page illustrates in Fig. 4. Fig. 5 depicts a page showing the student’s full data in the portable data file (pdf). The presence in the class is denoted by () and absence denoted as (X).The mobile application automatically calculated the percentage according to the data. The percentage less than 60% is marked by red color and others marked as green. Fig. 6depicts a page showing the student’s full data in excelfile which can be used for further modification. In the performance measure, a course teacher can easily use and edit theexcel data.

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