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Dear Students of grade XII-12 out there! Today, we’ve brought you Computer Science NEB Grade 12 Model Question 2079-2023 with subject code: 4281 and you can download the neb grade xii (12) Computer Science subject question paper of the year 2079-2023 in PDF format. Please check and download pdf file grade 12 Computer Science Model question paper of the year 2023-2079 Nepal. The model question provided below – Computer Science NEB Grade 12 Model Question 2079-2023 for the board exam 2079 and onwards. And it is based on the latest NEB Syllabus for 2079. We will be adding more model question papers of grade xii-12 later on. Scroll down to Download Computer Science Model Question Paper 2079 of grade 12-xii in pdf format which is 703 kb in size. Enjoy!
Computer Science NEB Grade 12 Model Question 2079-2023.
NATIONAL EXAMINATIONS BOARD [NEB]
NEB Grade XII-12
2079-2023
Model Question
Computer Science
Subject Code – 4281
Time – 2 hrs
Full Marks – 50
The candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Check and View-
Computer Science | NEB Grade 12 Model Question Solution | 2079-2023.
Check this …
NEB Grade 12-XII Exam Model Question Papers 2077-2020 for All Subjects | Download in PDF.
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Attempt all the questions
Group A
Rewrite the correct options of each questions in your answer sheet. (9×1=9)
1. In which normal form of database, atomicity is introduced?
A) First
B) Second
C) Third
D) Fourth
2. Which of the following techniques is not implemented to protect a database?
A) Rollback
B) Backup
C) Recovery
D) Firewall
3. Which one of the following SQL commands is executed to display all the records having a second letter in the LNAME (LAST NAME) as “A” from the customer table?
A) SELECT * FROM CUSTOMER WHERE LNAME LIKE “?A%”;
B) SELECT * FROM CUSTOMER WHERE LNAME LIKE “_A%”;
C) SELECT * FROM CUSTOMER WHERE LNAME LIKE “A%”;
D) SELECT * FROM CUSTOMER WHERE LNAME LIKE “%A”;
4. Which of the following is an incorrect IP address?
A) 192.168.0.1
B) 192.168.1
C) 172.255.0.0
D) 202.10.79.4
5. Which of the following is a server-side scripting language?
A) JavaScript
B) MySql
C) PHP
D) Jquery
6. Which of the following keywords are used to declare a variable in JavaScript?
A) int or var
B) float or let
C) var or let
D) char or var
7. Which of the following commands is executed in PHP to concatenate the variables $x with $y?
A) $x + $y
B) $x=$y
C) concat ($x,$y)
D) $x.$y
8. Which statement is incorrect about the object-oriented approach?
A) Emphasis is on data rather than procedure.
B) Data is hidden and cannot be accessed.
C) Objects communicate through functions.
D) It supports abstract data but not the class.
9. Which of the following feasibility study is concerned with cost benefit analysis?
A) Technical feasibility
B) Economic feasibility
C) Operational feasibility
D) Schedule feasibility
Group B
Short Answer Questions [5×5=25]
10. Which type of database system (centralized or distributed) is mostly preferred by financial institution like a bank? Give any four suitable reasons. [1+4]
OR
Nowadays most of the business organizations prefer applying relational model for database design in comparison to other models. Justify the statement with your arguments. 5
11. Develop a program in JavaScript to exchange/swap the values of any two variables. 5
OR
How can you connect a database with PHP? Demonstrate with an example. 5
12. Describe the concept of Object Oriented and Procedure Oriented Programming in brief. 2+3
13. Write down any five qualities of good software. 5
14. Explain mobile computing with its advantages and disadvantages. 5
Group C
(Long Answer Questions)
Give the long answers to the following questions. [2×8=16]
15. Why do most of the business organizations prefer setting their network with the client-server architecture? Write its advantages and disadvantages. [2+6]
16. Develop a program in C using structure to ask the information of any 12 students with roll number, name and marks scored in sub1, sub2, and sub3. Also, display them in proper format along with the calculation of total and percentage. [Note: the full marks of each subject is 100].
OR
Demonstrate a program in C to create a data file named score.dat to store students’ information with Reg.no, name, gender, and address. The program should ask the user to continue or not. When finished, the program should also display all the records in the proper format.
View and Download Computer Science NEB Grade 12 Model Question 2079-2023.
