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Question Paper Solutions for Computer Science 1 2017-2018 HSC Science (Computer Science) 12th Board Exam

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Marks: 50
[10]1
[4]1.1 | Select correct options and rewrite the following
[1]1.1.1

If the page size for 2MB memory is 2KB then the number of higher order bits on address bus used to denote page number is________.

(i) 11

(ii) 10

(iii) 9

(iv) 8

Chapter: [1] Operating System
Concept: Operating System
[1]1.1.2

Data items are divided into sub-item is called as ________.

(i) Group Item

(ii) Elementary Item

(iii) Nodes

(iv) Arrays

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[1]1.1.3

Object is a are ________.

(i) Variable

(ii) Data type

(iii) Run Time Entity

(iv) Both (i) and (iii)

Chapter: [3] C++ Programming
Concept: C++ Programming
[1]1.1.4

In HTML, for Red colour, RGB code is _______.

(i) # 00 00 00

(ii) # ff 00 00

(iii) # 00 ff 00

(iv) # 00 00 ff

Chapter: [4] HyperTex Markup Language (HTML)
Concept: Hyper Text Markup Language (HTML)
[6]1.2 |  Answer any two of the following :
[3]1.2.1

What is File System?

Chapter: [1] Operating System
Concept: Operating System

Explain tape-based and disk-based file system.

Chapter: [1] Operating System
Concept: Operating System
[3]1.2.2

What is VDU?

Chapter: [1] Operating System
Concept: Operating System

Explain following terms of VDU: Dumb Terminal

Chapter: [1] Operating System
Concept: Operating System

Explain following terms of VDU: Intelligent Terminal

Chapter: [1] Operating System
Concept: Operating System
[3]1.2.3

What is Array?

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)

Write an algorithm for Traversing Linear Array.

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[10]2
[6]2.1 | Answer any two of the following :
[3]2.1.1

Define OOP (Object-oriented programming)

Chapter: [3] C++ Programming
Concept: C++ Programming

Write the features OOP (Object-oriented programming)

Chapter: [3] C++ Programming
Concept: C++ Programming
[3]2.1.2

Explain <OL> and <UL> tag used in HTML with example

Chapter: [4] HyperTex Markup Language (HTML)
Concept: Hyper Text Markup Language (HTML)
[3]2.1.3

Explain how member functions of a class can be defined outside the class definition and inside class definition with an example in C++

Chapter: [3] C++ Programming
Concept: C++ Programming
[4]2.2 | Answer Any One
[4]2.2.1

Write the use of following file pointers with an example :

seekg( )

Chapter: [3] C++ Programming
Concept: C++ Programming

Write the use of following file pointers with example :

seekp( )

Chapter: [3] C++ Programming
Concept: C++ Programming

Write the use of following file pointers with an example :

tellg( )

Chapter: [3] C++ Programming
Concept: C++ Programming

Write the use of following file pointers with an example :

tellp( )

Chapter: [3] C++ Programming
Concept: C++ Programming
[4]2.2.2

What is Graphical User Interface (GUI) ?

Chapter: [1] Operating System
Concept: Operating System

Explain the following components of GUI :

1) Menu Bar

2) Title Bar

3) Scroll Bar

 

Chapter: [1] Operating System
Concept: Operating System
[10]3
[6]3.1 | Answer any two of the following :
[3]3.1.1

Explain the following process states :

Running State

Chapter: [1] Operating System
Concept: Operating System

Explain the following process states :

Ready State

Chapter: [1] Operating System
Concept: Operating System

Explain the following process states :

Blocked State

Chapter: [1] Operating System
Concept: Operating System
[3]3.1.2

What is Constructor and Destructor in c++ ? Give example of Constructor and Destructor in a class.

Chapter: [3] C++ Programming
Concept: C++ Programming
[3]3.1.3

What is Data Structure? 

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)

Explain Linear data Structure and Non-linear Data Structure.

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[4]3.2 | Answer any one of the following
[4]3.2.1

Write any eight basic rules for the virtual function that satisfies the compiler requirements

Chapter: [3] C++ Programming
Concept: C++ Programming
[4]3.2.2

Define Security

Chapter: [1] Operating System
Concept: Operating System

Explain the different elements of security

Chapter: [1] Operating System
Concept: Operating System
[10]4
[6]4.1 | Answer any two of the following
[3]4.1.1

Differentiate between Traditional Procedural Programming Approach and Object-Oriented Programming Approach

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[3]4.1.2

Define Group Item

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)

Define Elementary Item

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)

Define Entity

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[3]4.1.3

What is Binary Tree?

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)

With suitable example show the relationship between Total Number of Nodes and Depth of Binary Tree.

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[4]4.2 | Answer any one of the following
[4]4.2.1

What is Record

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)

Explain how records are represented in memory using an array?

Chapter: [2] Data Structures
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[4]4.2.2

Explain following terms in case of Process Scheduling

1) Turn-around Time

2) Waiting Time

3) Terminal Response Time

4) Event Response Time

Chapter: [1] Operating System
Concept: Operating System
[10]5 | Attempt Any One
[10]5.1 | Answer any two of the following
[5]5.1.1

Write a C++ program to accept an integer number and test whether it is prime or not.

Chapter: [3] C++ Programming
Concept: C++ Programming
[5]5.1.2

Write a program in C++ using OOP technique to compute the circumference of a circle

Chapter: [3] C++ Programming
Concept: C++ Programming
[5]5.1.3

Write HTML code for the following output :

                           Cricket Analysis

Country Played Won Lose
INDIA 30 27 03
PAKISTAN 30 03 27
Chapter: [4] HyperTex Markup Language (HTML)
Concept: Hyper Text Markup Language (HTML)
[10]5.2 | Solve any two of the following
[5]5.2.1

Write a C++ program to find the smallest of four given integers using function min( ) that returns the smallest of four given integers. The function prototype is as below int min (int, int, int, int).

Chapter: [3] C++ Programming
Concept: C++ Programming
[5]5.2.2

Write an object oriented program in C++ to read an integer number and find the sum of digits of integer [Hint : input 125 output 8 i.e. 1 + 2 + 5 = 8]

Chapter: [3] C++ Programming
Concept: C++ Programming
[5]5.2.3

Write the output of the following HTML code :

<html>
   <body>
       <UL type = "circle">
            <li> One
            <li> Two
            <li> Three
      <UL type = "square">
           <li> Monday
           <li> Tuesday
           <li> Wednesday
      </UL>
      </UL>
   <body>
</html>
Chapter: [4] HyperTex Markup Language (HTML)
Concept: Hyper Text Markup Language (HTML)

Maharashtra State Board previous year question papers 12th Board Exam Computer Science 1 with solutions 2017 - 2018

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