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Class 12 Computer Science

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Class 12 Science Computer Science Question Paper 2083 (NEB) – Solved

NEB

2083

12

Computer Science

Com. 232

Full Marks: 50

Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

"Section A"

Rewrite the correct option of each question in your same answer sheet .

[9*1=9]

1.

Records in database are also known as
A) Data      B) Fields     C) Tuples        D) Keys

[1]
2.

Which SQL statement displays the name and address of all students who live either in Kathmandu or Bhaktapur from students table ?
A) SELECT *FROM students WHERE address = "Kathmandu" or address = "Bhaktapur";
B) SELECT name, address FROM Students WHERE address = "Kathmandu" or "Bhaktapur";
C) SELECT *FROM students WHERE address = "Kathmandu" or "Bhaktapur";
D) SELECT name, address FROM students WHERE address = "Kathmandu" or address = "Bhaktapur";

[1]
3.

The full form of OSI is
A) Open Service Implementation
B) Open System Internet
C) Open Service Interconnection
D) Open System Interconnection

[1]
4.

Which JavaScript method is used to write HTML output ?
A) document.write ( )      B) document.output ( )     C) console.log ( )      D) document.write HTML ( )

[1]
5.

What will be the output of the following PHP code ?
<?php $a = 10; $b = 5;
echo $a%$b; ?>
A) 0                            B) 1                            C) 2                            D) 5

[1]
6.

What does ++X do in a C program ?
A) Returns value then increments
B) Increments then return value
C) Decrement value
D) Returns original value

[1]
7.

Which of the following feature to allow the same method name to be used for different types/number of parameters in OOPs, concept ?
A) Abstraction                                  B) Encapsulation
C) Polymorphism                               D) Inheritance

[1]
8.

Which model follows a strict linear sequential phase order ?
A) Agile                                           B) Waterfall
C) Prototype                                     D) Scrum

[1]
9.

A device automatically adjusts room temperature based on real time sensor data and internet connectivity. Which technology does this represent ?
A) Desktop computing                      B) Cloud storage
C) IoT (Internet of Things)                D) Traditional Embedded System

[1]