HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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# Question Paper Solutions - Computer Science 1 2014 - 2015 HSC Science (Computer Science) 12th Board Exam

SubjectComputer Science 1
Year2014 - 2015 (March)

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

The time required to move RIW Head to the particular track is called ---

(i) Latency Time

(ii) Seek Time

(iii) Waiting Time

(iv) Response Time

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

---data structure does not require contiguous memory allocation

(i) Array

(ii) String

(iii) Pointer Array

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[1]1.1.3

Object Oriented Programming uses ___ approach of Programming.

(i) Linear

(ii) Non-linear

(iii) Top down

(iv) Bottom up

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

The valid attribute  of <A>  is______

(i) NAME

(ii) SRC

(iii) BGCOLOR

(iv) HEIGHT

Chapter: [5] Python - Communication Technologies
Concept: Hyper Text Markup Language (HTML)
[6]1.2 | Answer any two of the following
[3]1.2.1

What is Virtual Memory ? Explain any two elements of Virtual Memory

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

What is Data Structure?

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)

Define Array and Pointer Array in the data structure.

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[3]1.2.3

Give function of following tags with an example of each

1. <img>
2. <em>
3. <dl>
Chapter: [5] Python - Communication Technologies
Concept: Hyper Text Markup Language (HTML)
[10]2
[6]2.1 | Answer any two of the following
[3]2.1.1

Give three differences between WORM and VIRUS.

Chapter: [1] Computer Fundamentals
Concept: Operating System
[3]2.1.2

Write an algorithm to find smallest element in an Array.

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[3]2.1.3

Define the following terms in C++: Data Abstraction

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

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

Define the following term in C++: Data Encapsulation

Chapter: [3] C++ Programming
Concept: C++ Programming
[4]2.2 | Solve any one of the following
[4]2.2.1

What is System Call ? List any two System Calls for Memory Management, Process Management and Information Management.

Chapter: [1] Computer Fundamentals
Concept: Operating System
[4]2.2.2

What is Virtual Function in c++ ? Give any six rules to write Virtual Functions.

Chapter: [3] C++ Programming
Concept: C++ Programming
[10]3
[6]3.1 | Solve any two of the following
[3]3.1.1

Explain Multiuser and Time Sharing Operating Systems.

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

Define:

(i) Tree

(ii) Binary Tree

(iii) Extended Binary

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[3]3.1.3

Chapter: [3] C++ Programming
Concept: C++ Programming
[4]3.2 | Solve any one of the following
[4]3.2.1

Write an algorithm for Binary Search Method. Explain algorithm with suitable example.

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[4]3.2.2

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

Chapter: [3] C++ Programming
Concept: C++ Programming
[6]4
[6]4.1 | Solve any two of the following
[3]4.1.1

What is File System?

Chapter: [1] Computer Fundamentals
Concept: Operating System

List and explain types of File Systems used in OS.

Chapter: [1] Computer Fundamentals
Concept: Operating System
[3]4.1.2

With suitable example explain how tree can be represented in Memory?

Chapter: [15] Elementary Data Structures and Associated Algorithms, Basic Input/Output
Concept: Basic Data Structures (Stack, Queue, Dequeue)
[3]4.1.3

What is Inheritance ? Explain any two types of Inheritances with Memory.

Chapter: [3] C++ Programming
Concept: C++ Programming
[4]4.2 | Solve any one of the following
[4]4.2.1

Give features of Windows 98 Operating System.

Chapter: [1] Computer Fundamentals
Concept: Operating System
[4]4.2.2

What is Linked List ? How they can be represented in Memory?

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

Write a program in C++ to accept two integer values in main· function, pass them to function great() using call by value and find greater number, function great() should not return any value.

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

Write a program in C ++ to accept three integers from keyboard and find greatest number with using Condition Control

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

Write output of the following HTML program

<HTML>
<TITLE> abc </TITLE>
<BODY>
<H1 align="center">KBC Restaurant</H1>
<TABLE border="2">
<TR>
<TH rowspan="2">
<font size="5"> Pawbhaji </font>
</TH>
<TH> with cheese </TH>
<TH> 35 </TH>
</TR>
<TR>
<TH> without cheese </TH>
<TH> 25 </TH>
</TR>
</TABLE>
</BODY>
</HTML>
Chapter: [5] Python - Communication Technologies
Concept: Hyper Text Markup Language (HTML)
[10]5.2 | Answer any two of the following
[5]5.2.1

Write a program in C++ to accept a string from keyboard and copy string into another string without using the Library Function.

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

Write a program in C++ to find area of circle using class.

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

Write a program in HTML for the following output:

(i)   Arts
A. History
B. Geography

(ii)  Science
I. Computer Science
II. Physics

(iii) Commerce
O English
O Accounts

Chapter: [5] Python - Communication Technologies
Concept: Hyper Text Markup Language (HTML)
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