HBSE Class 12 Question Paper 2022 Computer Science

CLASS : 12th (Sr. Secondary) Code No. 5607
Series : SS - April/2021
Roll No. SET : A
dEI;wVj foKku
COMPUTER SCIENCE
Hkkx – I
PART – I
¼vkRefu"B iz'u½
(Subjective Questions)
ACADEMIC/OPEN
[ fgUnh ,oa vaxzsth ek/;e ]
[ Hindi and English Medium ]
(Only for Fresh/Re-appear Candidates)

le; : 2 21 ?k.Vs ] [ iw.kk±d : 40 ¼Hkkx–I : 20, Hkkx–II : 20½
Time allowed : 2 21 hours ] [ Maximum Marks : 40 (Part–I : 20, Part–II : 20)

iz'u&i= nks Hkkxkas eas foHkkftr gS % Hkkx–I ¼vkRefu"B½ ,oa Hkkx–II ¼oLrqfu"B½A ijh{kkFkhZ dks nksuksa Hkkxkas ds iz'ukas
ds mÙkj dks viuh mÙkj iqfLrdk eas fy[kuk gSA iz'u&i= dk Hkkx–I ijh{kk vkjEHk gksus ij igys mÙkj&iqfLrdk
ds lkFk fn;k tk,xk rFkk Hkkx–II ds fy, vkf[kjh dk ,d ?kaVs dk le; fn;k tk,xk tk,xk vFkkZr~ ijh{kk lekIr
gksus ls ,d ?kaVk iwoZ ijh{kkFkhZ dks Hkkx–II dk iz'u i= fn;k tk,xkA
Hkkx–I ds iz'u&i= esa dqy 8 iz'u ,oa Hkkx–II ds iz'u&i= eas dqy 20 iz'u gSaA
Question paper is divided into two Parts : Part–I (Subjective type) and Part–II
(Objective type). Answer the questions of both parts in your answer-book. Part–I
of question paper with answer-book will be provided with starting of
Examination and last one hour of Examination will be given for Part–II i.e.
question paper of Part–II will be provided before one hour of the end of
Examination.
Total questions in question paper of Part–I are 8 and of Part–II are 20.

• Ñi;k tk¡p dj ysa fd Hkkx–I ds bl iz'u-i= esa eqfnzr i`"B 4 rFkk iz'u 8 gSaA
Please make sure that the printed pages in this question paper of Part–I are 4 in
number and it contains 8 questions.
5607/(Set : A)/ I P. T. O.

(2) 5607/(Set : A)
• iz'u-i= esa nkfgus gkFk dh vksj fn;s x;s dksM uEcj rFkk lsV dks Nk= mÙkj-iqfLrdk ds eq[;-i`"B ij fy[ksaA
The Code No. and Set on the right side of the question paper should be written by
the candidate on the front page of the answer-book.

• Ñi;k iz'u dk mÙkj fy[kuk 'kq: djus ls igys] iz'u dk Øekad vo'; fy[ksaA
Before beginning to answer a question, its Serial Number must be written.

• mÙkj-iqfLrdk ds chp esa [kkyh iUuk / iUus u NksMsa+A
Don’t leave blank page/pages in your answer-book.
• mÙkj-iqfLrdk ds vfrfjDr dksbZ vU; 'khV ugha feysxhA vr% vko';drkuqlkj gh fy[ksa vkSj fy[kk mÙkj u
dkVsaA
Except answer-book, no extra sheet will be given. Write to the point and do not
strike the written answer.

• ijh{kkFkhZ viuk jksy ua0 iz'u&i= ij vo'; fy[ksaA
Candidates must write their Roll Number on the question paper.

• d`i;k iz'uksa dk mÙkj nsus lss iwoZ ;g lqfuf'pr dj ysa fd iz'u-i= iw.kZ o lgh gS] ijh{kk ds mijkUr bl
Lohdkj
lEcU/k esa dksbZ Hkh nkok Lohd kj ugha fd;k tk;sxkA
Before answering the questions, ensure that you have been supplied the correct and
complete question paper, no claim in this regard, will be entertained after
examination.

lkekU; funsZ'k %
General Instructions :

(i) lHkh iz'u vfuok;Z gSaA
All questions are compulsory.
(ii) izR;sd iz'u ds vad mlds lkeus n'kkZ;s x, gSaA
Marks of each question are indicated against it.

(iii) vkids mÙkj vadkuqlkj gksus pkfg,A
Your answer should be according to marks.

5607/(Set : A)/ I

(3) 5607/(Set : A)

uksV % iz'u Øekad 1 ls 3 esa ls dksbZ nks iz'u djsaA 'ks"k LkHkh iz'u vfuok;Z gSaA

Attempt any two questions from Question Numbers 1 to 3. Rest are

compulsory.

1. dULVªDVj D;k gS \ fdUgha nks rjg ds dULVªDVj dk o.kZu djsaA 4
What is a Constructor ? Explain any two types of constructors.

2. ifCyd] izkbosV vkSj izksVsDVsM Dykl esEcj dk o.kZu djsaA 4

Explain Public, Private and Protected class members.

3. ,d Dykl-Dykl:e cuk,¡ ftlesa fuEu 'kkfey gksa % 4

MkVk esEcj % yEckbZ] pkSM+kbZ] Å¡pkbZA
esEcj QaD'ku %
(i) 'kq:vkrh oSY;w nsuk]
(ii) ,fj;k dh x.kuk djuk]

(iii) lwpuk izlkfjr djuk ¼yEckbZ] pkSM+kbZ] ,fj;k½A

Create a class-Classroom which includes :

Data Members : Length, Width, Height

Member functions :

(i) To assign initial values,
(ii) To calculate area,

(iii) To display information (length, width, area).

4. LAN vkSj MAN esa vUrj fyf[k,A 3
Write the difference between LAN and MAN.

5607/(Set : A)/ I P. T. O.

(4) 5607/(Set : A)

5. bugsfjVsal dh ifjHkk"kk fyf[k,A csl Dykl vkSj fMjkbOM Dykl ds dk¡lsIV dk o.kZu djsaA 3

Define Inheritance. Explain the concept of Base class and Derived class.

6. D;w esa bal'kZu dSls gksrk gS \ 2
How insertion takes place in a queue ?

7. ukWeZykbts+'ku dh ifjHkk"kk fyf[k,A 2

Define Normalization.

8. osc czkmt+j dh ifjHkk"kk fyf[k,A osc czkmt+j dk ,d mnkgj.k fyf[k,A 2

Define Web Browser. Write any one example of Web Browser.

S

5607/(Set : A)/ I

CLASS : 12th (Sr. Secondary) Code No. 5607
Series : SS - April/2021
Roll No. SET : A
dEI;wVj foKku
COMPUTER SCIENCE
Hkkx – II
PART – II
¼oLrqfu"B iz'u½
(Objective Questions)
ACADEMIC/OPEN
[ fgUnh ,oa vaxzsth ek/;e ]
[ Hindi and English Medium ]
(Only for Fresh/Re-appear Candidates)

• Ñi;k tk¡p dj ysa fd Hkkx–II ds bl iz'u-i= esa eqfnzr i`"B 7 rFkk iz'u 20 gSaA
Please make sure that the printed pages in this question paper of Part-II are 7 in
number and it contains 20 questions.
• ijh{kkFkhZ viuk jksy ua0 iz'u&i= ij vo'; fy[ksaA
Candidates must write their Roll Number on the question paper.

• d`i;k iz'uksa dk mÙkj nsus lss iwoZ ;g lqfuf'pr dj ysa fd iz'u-i= iw.kZ o lgh gS] ijh{kk ds mijkUr bl
lEcU/k esa dksbZ Hkh nkok Lohdkj ugha fd;k tk;sxkA
Before answering the question, ensure that you have been supplied the correct and
complete question paper, no claim in this regard, will be entertained after
examination.

lkekU; funsZ'k %
General Instructions :
(i) lHkh iz'u vfuok;Z gSaA
All questions are compulsory.

5607/(Set : A)/ II P. T. O.

(2) 5607/(Set : A)
(ii) iz'u Øekad 1 ls 20 rd oLrqfu"B iz'u gSaA izR;sd iz'u 1 vad dk gSA
Questions from 1 to 20 are objective type questions. Each question is of
1 mark.

[ oLrqfu"B iz'u ]

[ Objective Type Questions ]

1. ,d daLVªDVj dk uke ……………. ds uke ds leku gSA 1

A constructor has same name as that of its ……………… .

2. C++ esa ……………. vkWijsVj dks bUl'kZu vkWijsVj Hkh dgrs gSaA 1

(A) >> (B) <<

(C) > (D) <

In C++, ……………….. operator is also known as insertion operator.

(A) >> (B) <<

(C) > (D) <

3. ……………. Ldksi fjtksY;w'ku vkWijsVj gSA 1

(A) :: (B) :::

(C) || (D) !!

……………… is scope resolution operator.

(A) :: (B) :::

(C) || (D) !!

5607/(Set : A)/ II

(3) 5607/(Set : A)
4. OOP's dk iw.kZ :i ……………. gSA 1

Full form of OOP's is ………………. .

5. LVSd ……………. fu;e ij vk/kkfjr gSA 1

(A) FIFO (B) LIFO

(C) PILO (D) LILO
Stack is based on ………….. principle.

(A) FIFO (B) LIFO

(C) PILO (D) LILO

6. LVSd esa ……………. vkWijs'ku gksrs gSaA 1

(A) 1 (B) 2

(C) 3 (D) 4

There are ………………… operations in stack.
(A) 1 (B) 2

(C) 3 (D) 4

7. ,d fjys'ku INF esa gksxk] vxj mlds lHkh Mksesu esa ……………. oSY;w gksxhA 1

A relation is in INF, if all underlying domains of relation contain ……………….
values.

8. ukWeZykbts+'ku ……………. dks de djrk gSA 1

(A) ,fVªC;wV
(B) Viy
(C) fjMaMsUlh
(D) vIMs'ku

5607/(Set : A)/ II P. T. O.

(4) 5607/(Set : A)
Normalization minimizes ………… .
(A) Attributes

(B) Tuples

(C) Redundancy
(D) Updation

9. ……………. SQL dk dEiksusaV ugha gSA 1

(A) DCL (B) DBL
(C) DDL (D) DML

…………… is not a component of SQL.

(A) DCL (B) DBL
(C) DDL (D) DML

10. WWW dk iw.kZ :i ……………. gSA 1

Full form of WWW is ………….. .

11. WAN dk iw.kZ :i ……………. gSA 1

Full form of WAN is ………….. .

12. FTP dk iw.kZ :i ……………. gSA 1

Full form of FTP is ………….. .

13. ,d flLVe tks usVodZ esa vuf/kÑr ¼vuvkWFkjkbTM½ ,Dlsl dks jksdus ds fy, cuk;k x;k gS] dks
…………… dgrs gSaA 1

(A) fczt (B) xsVos

(C) Qk;jokWy (D) jkmVj

5607/(Set : A)/ II

(5) 5607/(Set : A)
A system designed to prevent unauthorized access to a network is
called ………….. .

(A) Bridge (B) Gateway

(C) Firewall (D) Router

14. bUVjusV 'kCnkoyh esa IP dk eryc ……………. gSA 1

(A) bUVjusV izksokbMj
(B) bUVjusV izksVksdkWy
(C) bUVjusV izkslhtj
(D) bUVjusV izkslslj
In Internet terminology, IP means ………….. .

(A) Internet Provider

(B) Internet Protocol

(C) Internet Procedure

(D) Internet Processor

15. HTML dk iw.kZ :i ……………. gSA 1

Full form of HTML is ………….. .

16. fdlh osc ist+ ds fy, HTML VSXl dk lgh Øe ……………. gSA 1

(A) gsM] VkbVy] HTML, ckWMh
(B) HTML, ckWMh] VkbVy] gsM

(C) HTML, gsM] VkbVy] ckWMh

(D) ckWMh] HTML, gsM] VkbVy

5607/(Set : A)/ II P. T. O.

(6) 5607/(Set : A)
……………….. is the correct sequence of HTML tags for a webpage.

(A) Head, Title, HTML, Body

(B) HTML, Body, Title, Head

(C) HTML, Head, Title, Body

(D) Body, HTML, Head, Title

17. ……………. VSx VsDLV dks cksYM djrk gSA 1

(A) <a> (B) <b>

(C) <br> (D) <bo>
………………… tag makes the text bold.

(A) <a> (B) <b>

(C) <br> (D) <bo>

18. HTML esa ……………. iSjkxzkQ VSx gSA 1
……………. is the paragraph tag is HTML.

19. HTML esa VSXl ……………. gksrs gSaA 1

(A) dsl lsaflfVo

(B) dSfiVy v{kj esa

(C) dsl lsaflfVo ugha

(D) NksVs v{kj esa

5607/(Set : A)/ II

(7) 5607/(Set : A)
The tags in HTML are ……………. .

(A) Case-sensitive

(B) In upper case

(C) Not Case-sensitive

(D) In lower case

20. ,sjs dks fMDysvj djus dk lgh rjhdk ……………. gSA 1

(A) int exam [10];

(B) int exam;

(C) exam {20};

(D) array exam [15];

…………….. is the correct way of declaring an array.

(A) int exam [10];

(B) int exam;

(C) exam {20};

(D) array exam [15];

S
5607/(Set : A)/ II P. T. O.