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Computer Science 1 Official 2022-2023 HSC Science (Computer Science) 12th Standard Board Exam Question Paper Solution

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Computer Science 1 [Official]
Marks: 50 Maharashtra State Board
HSC Science (Computer Science)

Academic Year: 2022-2023
Date & Time: 13th March 2023, 11:00 am
Duration: 3h
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  1. All questions are compulsory.
  2. Figures to the right indicate full marks.
  3. Use of any type of calculator not allowed.
  4. Draw neat diagram wherever necessary.
  5. Header files and comments in C ++ program are not necessary.

[4]1. (A) | Select the correct alternative and rewrite the following:
[1]1. (A) (a)

Wastage of memory space withln the partition is called as ______.

Internal fragmentation

External fragmentation

Compaction

segmentation

Concept: undefined - undefined
Chapter:
[1]1. (A) (b)

Data items that are divided into subitems are called as ______.

Group item

Elementary item

Nodes

Arrays

Concept: undefined - undefined
Chapter:
[1]1. (A) (c)

When a member function is defined inside th.e class, then it is treated as ______ function.

Inline

outline

External

Virtual

Concept: undefined - undefined
Chapter:
[1]1. (A) (d)

Long Form of HREF is ______.

Horizontal Reference

Hypertext Reference

Hyperlink Reference

Hypermedia Reference

Concept: undefined - undefined
Chapter:
[9]1. (B) | Answer any two of the followings:
[3]1. (B) (a)
[1]1. (B) (a) (i)

Define Entity.

Concept: undefined - undefined
Chapter:
[1]1. (B) (a) (ii)

Define Group Item

Concept: undefined - undefined
Chapter:
[1]1. (B) (a) (iii)

Define Elementary Item

Concept: undefined - undefined
Chapter:
[3]1. (B) (b)
[1]1. (B) (b) (i)

What is Binary Tree?

Concept: undefined - undefined
Chapter:
[2]1. (B) (b) (ii)

Draw a binary tree diagram of following mathematical expression:

E = (a2 + be2)/d

Concept: undefined - undefined
Chapter:
[3]1. (B) (c)
[1]1. (B) (c) (i)

Explain the use of video RAM.

Concept: undefined - undefined
Chapter:
[1]1. (B) (c) (ii)

Explain the data byte.

Concept: undefined - undefined
Chapter:
[1]1. (B) (c) (iii)

Explain the attribute byte.

Concept: undefined - undefined
Chapter:
[9]2. (A) | Answer any two of the followings:
[3]2. (A) (a)
[1]2. (A) (a) (i)

Explain the following component of GUI:

Title Bar

Concept: undefined - undefined
Chapter:
[1]2. (A) (a) (ii)

Explain the following component of GUI:

Scroll Bar

Concept: undefined - undefined
Chapter:
[0.5]2. (A) (a) (iii) (I)

Explain the functions of the following component of the GUI:

Minimize button

Concept: undefined - undefined
Chapter:
[0.5]2. (A) (a) (iii) (II)

Explain the functions of the following components of the GUI:

Maximize or Restore button

Concept: undefined - undefined
Chapter:
[3]2. (A) (b)

State any six principal advantages of object oriented programming.

Concept: undefined - undefined
Chapter:
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[3]2. (A) (c)

Explain the page memory management system with a suitable Page Map Table (PMT).

Concept: undefined - undefined
Chapter:
[8]Q. 2(B) | Answer any one of the followings:
[0.5]2. (B) (a) (i) (I)

Define the following:

Track 

Concept: undefined - undefined
Chapter:
[0.5]2. (B) (a) (i) (II)

Define the following:

Sector

Concept: undefined - undefined
Chapter:
[1]2. (B) (a) (ii)

Define the following:

Seek time

Concept: undefined - undefined
Chapter:
[1]2. (B) (a) (iii)

Define the following:

Transmission time

Concept: undefined - undefined
Chapter:
[1]2. (B) (a) (iv)

Define the following:

Rotationai delay

Concept: undefined - undefined
Chapter:
[4]2. (B) (b)

Write an algorithm for bubble sort with suitable example.

Concept: undefined - undefined
Chapter:
[9]3. (A) | Answer any two of the followings:
[1]3. (A) (a) (i)

What is Class?

Concept: undefined - undefined
Chapter:
[2]3. (A) (a) (ii)

Explain general form of class declaration.

Concept: undefined - undefined
Chapter:
[3]3. (A) (b)

Which are three main areas in O.S. divides it’s services? Write example of each.

Concept: undefined - undefined
Chapter:
[3]3. (A) (c)
[1]3. (A) (c) (i)

What is Computer Worm?

Concept: undefined - undefined
Chapter:
[2]3. (A) (c) (ii)

Explain mode of operation of computer worm.

Concept: undefined - undefined
Chapter:
[8]3. (B) | Answer any one of the followings:
[4]3. (B) (a)

Write any eight rules for operator overloading.

Concept: undefined - undefined
Chapter:
[4]3. (B) (b)
[1]3. (B) (b) (i)

What is searching?

Concept: undefined - undefined
Chapter:
[3]3. (B) (b) (ii)

Explain Binary Scarch algorithm with a suitable example.

Concept: undefined - undefined
Chapter:
[9]4. (A) | Answer any two of the followings:
[3]4. (A) (a)
[1]4. (A) (a) (i)

What is HTML?

Concept: undefined - undefined
Chapter:
[1]4. (A) (a) (ii)

Write advantages of HTML.

Concept: undefined - undefined
Chapter:
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[1]4. (A) (a) (iii)

Write disadvantages of HTML.

Concept: undefined - undefined
Chapter:
[3]4. (A) (b)

Differentiate classes and objects.

Concept: undefined - undefined
Chapter:
[3]4. (A) (c)
[1]4. (A) (c) (i)

Explain the following HTML tag with an example:

<Hr>

Concept: undefined - undefined
Chapter:
[1]4. (A) (c) (ii)

Explain the following tag with an example:

<PRE>

Concept: undefined - undefined
Chapter:
[1]4. (A) (c) (iii)

Explain the following tag with an example:

<BR>

Concept: undefined - undefined
Chapter:
[8]4. (B) | Answer any one of the followings:
[4]4. (B) (a)
[1]4. (B) (a) (i)

Write the function of the following file stream class:

ifstream

Concept: undefined - undefined
Chapter:
[1]4. (B) (a) (ii)

Write the function of the following file stream class:

ofstream

Concept: undefined - undefined
Chapter:
[1]4. (B) (a) (iii)

Write the function of the following file stream class:

filebuf

Concept: undefined - undefined
Chapter:
[1]4. (B) (a) (iv)

Explain the function of the following file stream class:

fstream

Concept: undefined - undefined
Chapter:
[4]4. (B) (b)
[1]4. (B) (b) (i)

Explain the following HTML tag with an example:

<B>

Concept: undefined - undefined
Chapter:
[1]4. (B) (b) (ii)

Explain the following HTML tag with an example:

<UL>

Concept: undefined - undefined
Chapter:
[1]4. (B) (b) (iii)

Explain the following HTML tag with an example:

<sup>

Concept: undefined - undefined
Chapter:
[1]4. (B) (b) (iv)

Explain the following HTML tag with an example:

<img>

Concept: undefined - undefined
Chapter:
[15]5. | Answer any two of the following:
[5]5. (a)

Write a C++ program which finds Fibonacci series of ‘n’ terms.

Concept: undefined - undefined
Chapter:
[5]5. (b)

Write a C++ program to find factorial of a number during execution by using constructor function.

Concept: undefined - undefined
Chapter:
[5]5. (c)

Write a html code to produce following output:

Years Students
Boys Girls Total
2011 30 20 50
2012 45 35 80
2013 55 75 130
2014 75 95 170
Concept: undefined - undefined
Chapter:
OR
[5]5. | Answer any two of the following:
[5]5. (a)

Write a C++ program to find entered number is Armstrong number OR NOT armstong:

Concept: undefined - undefined
Chapter:
[5]5. (b)

Implement a class average that accepts. value of three float variables another function print() average of three numbers.

Concept: undefined - undefined
Chapter:
[5]5. (c)

Write the exact output of following HTML program code with font specifications in bracket:

<html>
<body>
<Table border="2">
<TR><TD Colspan ="2">
<H1 align = "center"> HSC Board Exam </H1>
<TD> </TR>
<TR> <;TD> align= "center"><u> PAPER I </u>
</TD>
<TD align= "center"><u>P APER-II</u>
</TD> </TR>
<TR> <TD> <P algin="center"> <i> 50 marks <ii>
<P> </TD> 
<TD align ="center"> <i> 50 marks <ii>
</TD>
</TR>
</Table>
</Body>
</HTML> 
Concept: undefined - undefined
Chapter:

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Maharashtra State Board previous year question papers 12th Standard Board Exam Computer Science 1 with solutions 2022 - 2023

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