(XII) Marking Scheme of NEB Computer 2079(2022)

                                                                              Marking

Schema

Group A: Correct option of Multiple-choice questions (1 Marks for correct option)

Q No	Options	Correct Answer	Q No	Options	Correct Answer
1	A	DELETE	6	B	1234   1234
2	A	Primary Key	7	D	Inheritance
3	B	Media Access Control	8	B	Requirement  Elicitation
4	A	<script src= “myscript.js”></script>	9	D	Sensors
5	B	$variable_name=value;

Group B: Short answer questions (5×5=25) Contents Area and Marks Schema:

Q.N0 10 :	Differentiate the centralized and distributed database system
Full Marks(5)	·         Data Storage and server in single location vs server location – 1 mark ·         Single server vs multiple node – 1 mark ·         Central Data storage vs data fragmentation – 1 mark ·         Diagram of centralized vs distributed – 1mark ·         Risk/benefit/control concept of both database -1 mark Based on the above partial points and concepts will be scored partial marks.
Q. No. 10 : OR	What are the purposes of normalization? Give an example of 2NF normalization.
Full Marks(5)	·         Concept of removing the data redundancy -1 mark ·         Concept of removing of insert, update, delete anomalies -1 mark ·         Functional dependency concepts - 2 marks Above partial points and concepts will be scored partial marks.
Q. No. 11:	Write a program to find the factorial of any given number using Java Script
Full Marks(5)	·         Properly start the Java Script and close  - 1 Mark ·         Write a script to find factorial of given any number-4 mark Above partial script of factorial and concept will be scored partial marks
Q. No. 11: OR	How do you fetch data from database in PHP and display it in form?
Full Marks(5)	·         PHP and MySQL database connection class or procedure – 2 marks ·         Data fetch PHP script such as example of mysqli_connect() , mysqli_query() , mysqli_fetch_assoc() or similar use of function – 2 mark ·         SQL Select statement in a script to access data – 1 mark Above partial script and code will be scored partial marks.
Q. No. 12:	Compare the OOPs and procedural programming language.
Full Marks(5)	·         Code in model/function vs class object – 1 mark ·         OOPs features Vs Procedural language features – 2 marks ·         Code reusability/flexibility/modification concept-1 mark ·         Example of both programming languages – 1 mark Above partial points will be scored partial marks.
Q. No. 13:	What are the major activities performed to design the software? Describe.
Full Marks(5)	·         List or points of software design activities such as architecture designing, database design, user interface design, algorithmic designing-2 marks ·         Case tools handling or similar design activities concepts or diagram names- 3 marks Above partial points will be scored partial marks
Q. No. 14:	Explain the popular five application areas of AI.
Full Marks(5)	·         List of AI applications such as machine learning, robotics, natural language processing, and machine vision etc or similar types of application in any five areas of AI. (0.5×5=2.5 marks) and each area very short description. (0.5×5=2.5) Above partial points will be scored partial marks.

 

 

 

 

 

Group C: Long Answer Questions (2×8=16)               Contents Area and Marks Schema:

Q. No. 15 :	Compare the star and ring topology with pros and cons. Which of data communication cable is more appropriate to design the local area network? Describe.
Full Marks(4+4)	·         Compare star and ring topology with figure – 2 marks ·         Star and Ring topology pros and cons – 2 mark ·         Concept of  local area network- 1 mark ·         Appropriate partial cable such as UTP or CAT-6 with description (cost, distance, technology)- 3 marks Above partial points will be scored partial marks.
Q. No. 16:	What is structure? Write a program to input roll, name and age of 5 students and display them properly using structure. (2+6)
Full Marks (2+6)	·         Define structure- 2mark ·         Input and display 5 students data using structure including loop with complete C executable code – 6 marks Above partial concept of structure ; looping code and used logic in C will be scored partial marks range of 1-6 marks
Q. No. 16 : OR	Write a C program to enter ID, employee_name, and post of the employee and store them in a data file named “emp.txt”. Display each record on the screen in an appropriate format. (5+3)
Full Marks(5+3)	·         Code for showing the pointer and file opening mode – 2 marks ·         Code for entering and store C programming code allocated 5 marks using file handling functions – 3 marks ·         Code for Display data in C programming using file handling functions – 3marks Above partial concept of file handling and used logic in C will be scored partial marks range of 1-6 marks.