Sub. code 4281
NEB — GRADE XII
2080-supp
Old Question
Class 12 Computer Science Old Question 2080-supp
The candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Pass Marks : 20
सबै प्रश्नको उत्तर दिनुहोस् । (Attempt All Questions)
This old question paper is for Class 12 Computer Science, 2080-supp (subject code 4281), carrying full marks of 50 with a pass mark of 20, to be completed within 2 Hours. Model answers are available for questions that have one — reveal them with a free account (a few reveals) or a paid plan (unlimited).
Group A
Multiple choice questions.
Which of the following IP address is wrong?
192.168.0.1
256.2.5.76
127.1.1.1
10.144.1.0
Which SQL statement will show the names and heights of all basketball players taller than 6 feet?
SELECT name FROM Player WHERE height > 6;
SELECT name FROM Player WHERE height >= 6;
SELECT name, height FROM Player WHERE height > 6;
SELECT name, height FROM Player WHERE height < 6;
What function do you need to call to ask the user of the program to enter text in JavaScript?
readline
readln
text
println
Which concept allows you to reuse the written code in OOPs?
Encapsulation
Inheritance
Polymorphism
Class
Conducting feasibility analysis is done in which phase of SDLC?
Planning
Analysis
Design
Implementation
What are the four V’s that best define Big Data?
Vacant - Victim - Volume - Validity
Validity - Velocity - Veracity - Volume
Volume - Velocity - Variety - Veracity
Versity - Velocity - Volume - Validity
What will be the output of the program code?
#include <stdio.h>
#include <string.h>
int main()
{
char str1[20] = "Hello";
char str2[] = "world";
strcat(str1, str2);
puts(str1);
return 0;
}Hello
World
Helloworld
WorldHello
Which of the following uniquely identifies each record in the table?
Fields
Record
Row
Primary Key
Which function is used to connect to MySql database?
mysqli_connect()
mysqli_open()
mysqli_query()
$mysqli_con()
Group B
Short answer questions
What is the importance of a database? Describe.
Describe the relational data model.
Write a program to find the largest number among three numbers in JavaScript.
How do you connect MySQL database with PHP? Explain with an example.
Describe the inheritance concept with an example.
Describe the different requirement collection methods for the development of software.
Define cloud computing services.
Group C
Long answer questions
Describe the CAT-6 and optical fiber cable features. Which of the cable category is more suitable to develop the local area network?
What is structure? Write a program to store five students’ information (ID, Name, DOB and phone) and display them using structure.
What is Pointer? Write a program to read and write data from a file using file handling functions.
Paper Overview & Analysis
2080-supp
Year
Old Question
Type
50
Full Marks
20
Pass Marks
2 Hours
Duration
16
Question Items
Question Type Breakdown
Group Breakdown
Chapter Breakdown
| Web Technology - II (CSS, JavaScript, PHP) | 3 items | — |
| Concept of Network and Data Communication | 2 items | — |
| DBMS Concept | 2 items | — |
| OOP Concept | 2 items | — |
| Software Process Model | 2 items | — |
| Recent Trends in ICT | 2 items | — |
| Programming II | 2 items | — |
Chapter breakdown covers 15 of 16 question items on this paper — the rest aren't tagged to a chapter yet.