HBSE Class 12 Question Paper 2025 Computer Science

CLASS : 12th (Sr. Secondary) Code No. 2209
Series : SS/Annual Exam.-2025
Roll No. SET : A

dEI;wVj foKku
COMPUTER SCIENCE
[ Hindi and English Medium ]

ACADEMIC/OPEN

(Only for Fresh/Re-appear/Improvement/Additional Candidates)
Time allowed : 2:30 hours ] [ Maximum Marks : 40

• Ñi;k tk¡p dj ysa fd bl iz'u&i= esa eqfnzr i`"B 15 rFkk iz'u 15 gSaA
Please make sure that the printed pages in this question paper are 15 in number
and it contains 15 questions.

• 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.

2209/(Set : A) P. T. O.

(2) 2209/(Set : A)
• ijh{kkFkhZ viuk jksy ua0 iz'u&i= ij vo'; fy[ksaA jksy ua0 ds vfrfjDr iz'u&i= ij vU; dqN Hkh u
fy[ksa vkSj oSdfYid iz'uksa ds mÙkjksa ij fdlh izdkj dk fu'kku u yxk,¡A
Candidates must write their Roll No. on the question paper. Except Roll No. do not
write anything on question paper and don't make any mark on answers of objective
type questions.
• d`i;k iz'uksa ds 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 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) ç'u-i= pkj [k.Mksa – v] c] l ,oa n esa ck¡Vk x;k gSA
The question paper is divided into four Sections – A, B, C and D.

(ii) [k.M –v ds ç'u la[;k 1 esa 1 vad ds 10 oLrqfu"B ç'u gSaA
Section–A consists of question no. 1 has 10 Objective Type Questions of 1
mark each.

(iii) [k.M –c esa 1 vad ds 4 vfr y?kwÙkjh; ç'u gSaA
Section–B consists of 4 Very Short Answer Type Questions of 1 mark each.

(iv) [k.M –l esa 2 vad ds 7 y?kwÙkjh; ç'u gSaA
Section–C consists of 7 Short Answer Type Questions of 2 marks each.

(v) [k.M –n esa vkarfjd fodYi ds lkFk 4 vadksa ds 3 fuca/kkRed ç'u gSaA
Section–D consists of 3 Essay Type Questions of 4 marks each with internal
choice.

2209/(Set : A)

(3) 2209/(Set : A)
[k.M – v
SECTION – A

¼oLrqfu"B ç'u½
(Objective Type Questions)

1. lHkh ç'u vfuok;Z gSa vkSj çR;sd 1 vad dk gSA 1 × 10 = 10

All questions are compulsory and carry 1 mark each.

(i) CywVwFk eq[; :i ls fdlds fy, mi;ksx fd;k tkrk gS \

(A) baVjusV ls tqM+uk

(B) de nwjh ij midj.kksa ds chp ok;jysl lapkj

(C) yach nwjh dk ok;jysl lapkj
(D) bZ-esy Hkstuk

What is Bluetooth primarily used for ?

(A) Connecting to the internet

(B) Wireless communication between devices over short distances

(C) Long-range wireless communication

(D) Sending e-mails

2209/(Set : A) P. T. O.

(4) 2209/(Set : A)
(ii) ifj.kke lsV dks lkWVZ djus ds fy, dkSu-ls SQL dhoMZ dk mi;ksx fd;k tkrk gS \
(A) order by (B) sort by

(C) group by (D) filter by

Which SQL keyword is used to sort the result set ?

(A) order by (B) sort by

(C) group by (D) filter by

(iii) fuEufyf[kr esa ls dkSu-lk ,d D;w ij fd;k tkus okyk vkWijs'ku ugha gS \

(A) Enqueue

(B) Dequeue

(C) Peek

(D) Insert at Position

Which of the following is not an operation performed on a queue ?

(A) Enqueue

(B) Dequeue

(C) Peek

(D) Insert at Position

2209/(Set : A)

(5) 2209/(Set : A)
(iv) ik;Fku esa] VªkbZ CykWd ds vanj ,d viokn mBk, tkus ij dkSu-lk CykWd fu"ikfnr gksrk gS \

(A) finally (B) except

(C) catch (D) else

In Python, which block is executed when an exception is raised inside the
try block ?

(A) finally (B) except

(C) catch (D) else

(v) jkmVj dk eq[; dk;Z fofHkUu usVodks± ds chp ------------- dks vxzsf"kr djuk gSA

The main function of a router is to forward …………. between different
networks.

(vi) ----------- dekaM dk mi;ksx MsVkcsl ls MsVk iquçkZIr djus ds fy, fd;k tkrk gSA

The ……….. command is used to retrieve data from a database.

(vii) ;fn dksbZ viokn mBk;k tkrk gS] rks varr% finally block fu"ikfnr fd;k tkrk gSA ¼lR;/vlR;½

The finally block is only executed, if an exception is raised. (True/False)

2209/(Set : A) P. T. O.

(6) 2209/(Set : A)
(viii) ik;Fku esa] Qkby [kksyus ds fy, fMQkYV eksM 'r' gS] tks dsoy i<+us ;ksX; eksM ds fy, gSA

¼lR;/vlR;½

In Python, the default mode for opening a file is 'r', which stands for read-
only mode. (True/False)

funsZ'k % uhps fn, x, ç'uksa (ix ,oa x)esa] vfHkd
vfHkdFku
Fku (A) vkSj dkj.k (R) ds :i esa fpfg~ur nks dFku gSaA
çR;sd ç'u esa uhps fn, x, fodYiksa esa ls lgh fodYi dk p;u dhft, %

Direction : In the questions (ix and x) given below, there are two statements
marked as Assertion (A) and Reason (R). Choose the correct option out of the
choices given below in each question :

(ix) vfHkdFku (A) : viMsV dekaM dk mi;ksx fdlh rkfydk esa ekStwnk fjdkWMZ ds ekuksa dks la'kksf/kr
djus ds fy, fd;k tkrk gSA
dkj.k (R) : dkWye ds fy, u, ekuksa dks ifjHkkf"kr djus ds fy, viMsV dekaM ds ckn lsV DykWt
vkrk gSA
(A) vfHkdFku (A) vkSj dkj.k (R) nksuksa lgh gSa vkSj dkj.k (R), vfHkdFku (A) dh lgh O;k[;k
gSA
(B) vfHkdFku (A) vkSj dkj.k (R) nksuksa lgh gSa ysfdu dkj.k (R), vfHkdFku (A) dh lgh O;k[;k
ugha gSA

(C) vfHkdFku (A) lR; gS] ysfdu dkj.k (R) vlR; gSA

(D) vfHkdFku (A) vlR; gS] ysfdu dkj.k (R) lR; gSA
2209/(Set : A)

(7) 2209/(Set : A)
Assertion (A) : The UPDATE command is used to modify the values of
existing records in a table.

Reason (R) : The UPDATE command is followed by the SET clause to define
the new values for the column.

(A) Both Assertion (A) and Reason (R) are correct and Reason (R) is the
correct explanation of Assertion (A).

(B) Both Assertion (A) and Reason (R) are correct but Reason (R) is not
the correct explanation of Assertion (A).

(C) Assertion (A) is true, but Reason (R) is false.

(D) Assertion (A) is false, but Reason (R) is true.

(x) vfHkdFku (A) : ok;jl ,d çdkj dk ekyos;j gS tks Lo;a dh çfrÑfr cuk ldrk gS vkSj vU;
daI;wVjksa esa QSy ldrk gSA
dkj.k (R) : ok;jl vkerkSj ij Qkbyksa ;k çksxzkeksa ls tqM+dj vkSj Qkby fu"ikfnr gksus ij
lfØ; gksdj QSyrs gSaA
(A) vfHkdFku (A) vkSj dkj.k (R) nksuksa lgh gSa vkSj dkj.k (R), vfHkdFku (A) dh lgh O;k[;k
gSA
(B) vfHkdFku (A) vkSj dkj.k (R) nksuksa lgh gSa ysfdu dkj.k (R), vfHkdFku (A) dh lgh
O;k[;k ugha gSA
(C) vfHkdFku (A) lR; gS] ysfdu dkj.k (R) vlR; gSA
(D) vfHkdFku (A) vlR; gS] ysfdu dkj.k (R) lR; gSA

2209/(Set : A) P. T. O.

(8) 2209/(Set : A)
Assertion (A) : A virus is a type of malware that can replicate itself and
spread to other Computers.

Reason (R) : Viruses are typically spread by attaching themselves to files or
programs and activating when the file is executed.

(A) Both Assertion (A) and Reason (R) are correct and Reason (R) is the
correct explanation of Assertion (A).

(B) Both Assertion (A) and Reason (R) are correct but Reason (R) is not
the correct explanation of Assertion (A).

(C) Assertion (A) is true, but Reason (R) is false.

(D) Assertion (A) is false, but Reason (R) is true.

[k.M – c
SECTION – B

¼vfr y?kqÙkjh; ç'u½
(Very Short Answer Type Questions)

uksV % lHkh ç'u vfuok;Z gSaA çR;sd ç'u ds vad mlds lkeus fn, x, gSaA
All questions are compulsory. Marks are indicated against each question.

2. ;fn vki fdlh la[;k dks 'kwU; ls foHkkftr djus dk ç;kl djrs gSa] rks ik;Fku fdl çdkj dh =qfV
mRiUu djrk gS \ 1

What type of error does Python raise, if you try to divide a number by zero ?

2209/(Set : A)

(9) 2209/(Set : A)
vFkok
OR

ik;Fku esa Qkby [kksyus ds fy, fdl QaD'ku dk mi;ksx fd;k tkrk gS \

What function is used to open a file in Python ?

3. MsVkcsl D;k gS \ 1
What is a database ?

4. cl (BUS) VksiksykWth dk çkFkfed uqdlku D;k gS \ 1

What is the primary disadvantage of BUS topology ?

5. dks,fDl;y dscy D;k gS \ dks,fDl;y dscy dk mi;ksx djus dk ,d ykHk crk,¡A 1

What are coaxial cables ? Mention one advantage of using coaxial cable.

[k.M – l
SECTION – C

¼y?kqÙkjh; ç'u½
(Short Answer Type Questions)

vfuok;ZZ gSaA çR;sd ç'u ds vad mlds lkeus fn, x, gSaA
uksV % lHkh ç'u vfuok;
All questions are compulsory. Marks are indicated against each question.

6. ik;Fku esa viokn gSaMfyax esa else CykWd dk D;k mi;ksx gS \ 2

What is the use of the else block in exception handling in Python ?

2209/(Set : A) P. T. O.

( 10 ) 2209/(Set : A)
vFkok
OR

ik;Fku esa Qkby dks dSls can djrs gSa \ Qkby dk mi;ksx djus ds ckn bls can djuk D;ksa egÙoiw.kZ gS \
How do you close a file in Python ? Why is it important to close a file after using
it ?

7. ccy lkWVZ D;k gS \ 2

What is Bubble Sort ?

8. SMTP çksVksdkWy dk mn~ns'; D;k gS \ 2

What is the purpose of SMTP protocol ?

9. lkbcj geyksa dks jksdus esa Qk;jokWy dSls enn djrk gS \ 2

How do firewalls help in preventing cyber attacks ?

10. cSaMfoM~Fk MsVk Vªkalfe'ku dh xfr dks dSls çHkkfor djrk gS \ 2

How does bandwidth affect the speed of data transmission ?

vFkok

OR

2209/(Set : A)

( 11 ) 2209/(Set : A)
fuEufyf[kr ij laf{kIr fVIi.kh fyf[k, %

Write short notes on the following :

(a) HTTP

(b) FTP

11. nhfIr us vius ySiVkWi ij "QUICK HEAL" ,aVh-ok;jl lkW¶Vos;j baLVkWy fd;k gS] mlus ik;k gS fd
tc ,aVh-ok;jl flLVe LdSu djrk gS] rks mldk ySiVkWi dkQh /khek gks tkrk gS] [kkldj tc cM+h Qkby
rd igq¡p gksrh gS] rks og flLVe ds çn'kZu dks csgrj cukus ds fy, ,aVh-ok;jl dks v{ke djus ij
fopkj dj jgh gSA 2

Deepti has installed "QUICK HEAL" antivirus software on her laptop. She notices
that her laptop slows down significantly, when the antivirus performs a system
scan, especially when accessing large files. She is considering disabling the
antivirus to improve system performance.

(i) ,aVh-ok;jl LdSu pykus ls flLVe ds çn'kZu ij D;k çHkko iM+rk gS \

What impact does running an antivirus scan have on system performance ?

(ii) flLVe dk mi;ksx djrs le; ,aVh-ok;jl lkW¶Vos;j dks v{ke djus ds D;k ifj.kke gksaxs \
What would be the consequences of disabling antivirus software while
using the system ?

2209/(Set : A) P. T. O.

( 12 ) 2209/(Set : A)
12. foçks daiuh us ,d dk;kZy; Hkou esa daI;wVjksa dks tksM+us ds fy, ,d LFkkuh; {ks= usVodZ (LAN) LFkkfir
fd;k gSA daiuh usVodZ LFkkfir djus ds fy, fofHkUu Vªkalfe'ku ehfM;k fodYiksa ij fopkj dj jgh gSA 2
WIPRO company has set up a Local Area Network (LAN) to connect computers in
an office building. The company is considering different transmission media
options to establish the network.

(i) bl LAN lsV vi ds fy, lcls vf/kd ykxr çHkkoh Vªkalfe'ku ehfM;k D;k gS \

(A) V~foLVsM is;j dscy
(B) dks,fDl;y dscy
(C) Qkbcj vkWfIVd dscy
(D) ok;jysl (Wi-Fi)

What is the most cost-effective transmission media for this LAN set-up ?

(A) Twisted Pair Cable

(B) Coaxial Cable
(C) Fibre Optic Cable

(D) Wireless (Wi-Fi)

(ii) dkSu-lk Vªkalfe'ku ehfM;k yach nwjh ij mPpre MsVk VªkalQj xfr çnku djrk gS \
(A) V~foLVsM is;j dscy
(B) dks,fDl;y dscy
(C) Qkbcj vkWfIVd dscy
(D) ok;jysl (Wi-Fi)
2209/(Set : A)

( 13 ) 2209/(Set : A)
Which transmission media offers the highest data transfer speed over long
distances ?

(A) Twisted Pair Cable (B) Coaxial Cable

(C) Fibre Optic Cable (D) Wireless (Wi-Fi)

[k.M – n
SECTION – D
¼fucU/kkRed ç'u½
(Essay Type Questions)

13. LVSd MsVk LVªDpj D;k gS \ LVSd esa rÙo Mkyus ds fy, ik;Fku çksxzke fy[ksaA 4

What is Stack Data Structure ? Write a Python program to insert element in a
Stack.

vFkok
OR

mi;qDr mnkgj.k ds lkFk Linear Search dks foLrkj ls le>k,¡A

Explain Linear Search in detail with an appropriate example.

14. SQL D;k gS vkSj blds çkFkfed ?kVd D;k gSa (DML, DDL vkSj DCL) \ 4

What is SQL and what are its primary components (DML, DDL and DCL) ?

vFkok

OR

2209/(Set : A) P. T. O.

( 14 ) 2209/(Set : A)
fuEufyf[kr Commands dh O;k[;k djsa %

(i) ALTER TABLE

(ii) DROP TABLE

(iii) DELETE

(iv) INSERT

Explain the following commands :

(i) ALTER TABLE

(ii) DROP TABLE

(iii) DELETE

(iv) INSERT

15. usVodZ VksiksykWth D;k gS \ fuEufyf[kr VksiksykWth dh O;k[;k djsa % 4

(i) STAR

(ii) RING

What is Network Topology ? Explain the following topologies :

(i) STAR

(ii) RING

2209/(Set : A)

( 15 ) 2209/(Set : A)
vFkok

OR

fuEufyf[kr dh O;k[;k dhft, %

(i) LAN

(ii) WAN

(iii) Modem

(iv) Gateway

Explain the following :

(i) LAN

(ii) WAN

(iii) Modem

(iv) Gateway

S
2209/(Set : A) P. T. O.