Rajasthan Board Class 12 Question Paper 2025 Computer Science

RAJASTHAN BOARD

QUESTION
PAPER
2025

ANNUAL EXAMINATION

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Zm_m§H$ Roll No.

Tear Here
Sl.No. :

No. of Questions – 18
SS–03–Computer Science (Opt.)
No. of Printed Pages – 11

Cƒ _mÜ`{_H$ narjm, 2025
SENIOR SECONDARY EXAMINATION, 2025
H$åß`yQ>a {dkmZ
COMPUTER SCIENCE

TEAR HERE TO OPEN THE QUESTION PAPER
EopÀN>H$ (Optional)
g_` : 3 KÊQ>o 15 {_{ZQ>

àíZ nÌ H$mo ImobZo Ho$ {bE `hm± \$m‹S>|
nyUmªH$ : 56

narjm{W©`m| Ho$ {bE gm_mÝ` {ZX}e …
GENERAL INSTRUCTIONS TO THE EXAMINEES :
1) narjmWu gd©àW_ AnZo àíZ-nÌ na Zm_m§H$ A{Zdm`©V… {bI| &

Candidate must write first his / her Roll No. on the question paper
compulsorily.

2) g^r àíZ H$aZo A{Zdm`© h¢ &

All the questions are compulsory.

3) àË`oH$ àíZ H$m CÎma Xr JB© CÎma-nwpñVH$m _| hr {bI| &

Write the answer to each question in the given answer-book only.

4) {OZ àíZm| _| AmÝV[aH$ IÊS> h¢, CZ g^r Ho$ CÎma EH$ gmW hr {bI| &
`hm± go H$m{Q>E

For questions having more than one part, the answers to those parts
are to be written together in continuity.

SS–03–Comp.Sci. (Opt.) 7003 [ Turn Over

2
5) àíZ-nÌ Ho$ {hÝXr d A§JO o« r ê$nmÝVa _| {H$gr àH$ma H$s Ìw{Q> / AÝVa / {damoYm^mg hmoZo na {hÝXr
^mfm Ho$ àíZ H$mo hr ghr _mZ| &
If there is any error / difference / contradiction in Hindi & English
version of the question paper, the question of Hindi version should be
treated valid.

6) àíZ H$m CÎma {bIZo go nyd© àíZ H$m H«$_m§H$ Adí` {bI| &
Write down the serial number of the question before attempting it.

IÊS> - A
SECTION - A
1) ~hþ{dH$ënr àíZ - [18 × ½ = 9]
Multiple Choice Questions -
i) nm¶WZ H$moS> Ho$ qgQ>¡³g ‘| H$moB© Ìw{Q> hmoZo na .............. AndmX CR>m¶m OmVm h¡ & [½]
(A) _mZ Ìw{Q> (~) AmB© Amo Ìw{Q>
(g) dm³¶ aMZm (qgQ>¡³g) Ìw{Q> (X) àmê$n Ìw{Q>
_________ exception is raised when there is an error in the syntax of the
Python Code.
(A) Value Error (B) IO Error
(C) Syntax Error (D) Type Error
ii) nm¶WZ ‘| AndmX H$mo CR>mZo Ho$ {bE {H$g H$WZ H$m Cn¶moJ {H$¶m OmVm h¡?> [½]
(A) {àÝQ> (~) CR>mE± (aoµO)
(g) Zm‘ Ìw{Q>> (X) CnamoŠV ‘| go H$moB© Zhr
Which statement is used to throw an exception in Python?
(A) Print (B) Raise
(C) Name Error (D) None of these

SS–03–Comp.Sci. (Opt.) 7003

3
iii) nm¶WZ ‘| ’$mBb ImobZo Ho$ {bE h‘ {H$g ’§$³eZ H$m Cn¶moJ H$aVo h¢? [½]
(A) Open ( ) (~) Close ( )
(g) Write ( ) (X) Read ( )
Which function is used to open a file in Python?
(A) Open ( ) (B) Close ( )
(C) Write ( ) (D) Read ( )
iv) ........... ’$mBb H$mo Ho$db n‹T>Zo Ho$ ‘moS> ‘| ImobVm h¡ &> [½]
(A) < w > (~) < rb >
(g) < a >> (X) < r >
_______ opens the file in read-only mode.
(A) < w > (B) < rb >
(C) < a > (D) < r >
v) ñQ>¡H$ Ho$ erf© na EH$ Z¶m VËd Omo‹S>Zo Ho$ {bE {H$g Am°naoeZ H$m à¶moJ {H$¶m OmVm h¡? [½]
(A) PUSH (~) PoP
(g) ADD (X) DELETE
Which operation is used to add a new element at the top of the stack?
(A) PUSH (B) PoP
(C) ADD (D) DELETE
vi) .......... ZmoQ>oeZ ‘| Am°naoQ>am| H$mo Am°na|S> Ho$ ~rM ‘| aIm OmVm h¡ & [½]
(A) Bpݵ’$³g (~) àr{’$³g
(g) nmoñQ>{’$³g (X) Cnamo³V g^r
In __________ Notation, operators are placed in between the operands.
(A) Infix (B) Prefix
(C) Postfix (D) All of these

SS–03–Comp.Sci. (Opt.) 7003 [ Turn Over

4
vii) n§{³V ................. Ho$ {gÕmÝV H$m nmbZ H$aVr h¡ - [½]
(A) ’$ñQ>© - BZ bmñQ> - AmCQ> (~) bmñQ> - BZ ’$ñQ>© - AmCQ>
(g) ’$ñQ>© - BZ ’$ñQ>© - AmCQ> (X) Cnamo³V ‘| go H$moB© Zht
Queue follows the principle of _________.
(A) First - In Last - Out (B) Last - In First - Out
(C) First - In First - Out (D) None of these
viii) ............. VËdm| Ho$ {XE JE g§J«h H$mo H«$‘ ‘| aIZo H$s à{H«$¶m h¡ & [½]
(A) ImoOZm (~) OmoS‹ >Zm
(g) N>§Q>mB© (gm°{Q>ªJ) (X) KQ>mZm
_________ is the process of ordering a given collection of elements.
(A) Searching (B) Addition
(C) Sorting (D) Subtraction
ix) .......... EH$ ImoO VH$ZrH$ h¡ Omo gyMr VËdmo Ho$ H«$‘ H$m Cn¶moJ {H$gr Hw§$Or H$mo erK«Vm go ImoOZo Ho$
{bE H$aVr h¡ & [½]
(A) a¡{IH$ ImoO (~) {ÛAmYmar ImoO
(g) gm°{Q>ªJ (N>§Q>mB©) (X) Cnamo³V ‘| go H$moB© Zht
_________ is a search technique that makes use of the ordering of elements
in the list to quickly search a key.
(A) Linear Search (B) Binary Search
(C) Sorting (D) None of these
x) O~ Xmo VËd h¡e Vm{bH$m ‘| EH$ hr ñbm°Q> ‘| ‘¡n H$aVo h¡, Vmo Bgo ........... H$hm OmVm h¡ & [½]
(A) g‘mYmZ (~) ImoO
(g) Q>H$amd (X) Hw§$Or
When two elements map to the same slot in the hash table, it is called ______.
(A) Resolution (B) Search
(C) Collision (D) Key

SS–03–Comp.Sci. (Opt.) 7003

5
xi) ............. dh S>oQ>m ‘mZ h¡ Omo g~go A{YH$ ~ma àH$Q> hmoVm h¡ & [½]
(A) ‘mܶ (~) ‘mpܶH$m
(g) a|O (X) ~hþbH$
________ is the data value that appears most number of times.
(A) Mean (B) Median
(C) Range (D) Mode
xii) ............. EH$ S>oQ>m~og H$m {S>OmBZ h¡ & [½]
(A) ’$m°aoZ H$s (~) àmB‘ar H$s
(g) S>oQ>m~og ñH$s‘m (X) Cnamo³V ‘| go H$moB© Zht
________ is the design of database.
(A) Foreign Key (B) Primary Key
(C) Database Schema (D) None of these
xiii) ........... H$s H$m Cn¶moJ Xmo Vm{bH$mAm| ¶m g§~§Ym| H$mo Omo‹S>Zo Ho$ {bE {H$¶m OmVm h¡ & [½]
(A) ’$m°aoZ (~) H¢${S>S>oQ>
(g) àmB‘ar (X) H$ånmo{OQ>
________ key is used to relate two tables or relations.
(A) Foreign (B) Candidate
(C) Primary (D) Composite
xiv) {ZåZ _| go H$m¡Zgm SQL H§$ñQ´>|Q> gw{ZpíMV H$aVm h¡ {H$ H$m°b‘ ‘| g^r ‘mZ AbJ/A{ÛVr¶ h¢? [½]
(A) NoT NULL (~) UNIQUE
(g) DEFAULT (X) BZ‘| go H$moB© Zht
Which of the following SQL constraint ensures that all the values in a column
are distinct / unique.
(A) NoT NULL (B) UNIQUE
(C) DEFAULT (D) None of these

SS–03–Comp.Sci. (Opt.) 7003 [ Turn Over

6
xv) .............. pñQ´>¨J ’§$³eZ, {Z{X©ï> pñQ´>¨J ‘| dUm] H$s g§»¶m bm¡Q>mVm h¡ & [½]
(A) LENGTH ( ) (~) LEFT ( )
(g) RIGHT ( ) (X) LOWER ( )
________ string function, return the number of characters in the specified
string.
(A) LENGTH ( ) (B) LEFT ( )
(C) RIGHT ( ) (D) LOWER ( )
xvi) {ZåZ ‘| go H$m¡Zgm ZoQ>dH©$ H$m àH$ma Zht h¡? [½]
(A) d¡Z (WAN) (~) b¡Z (LAN)
(g) ‘¡Z (MAN) (X) h~ (HUB)
Which of the following is not a type of Network?
(A) WAN (B) LAN
(C) MAN (D) HUB
xvii) dëS>© dmBS> do~ VH$ nhþ±MZo Ho$ {bE Cn¶moJ {H$¶m OmZo dmbm àmoQ>moH$m°b H$m¡Zgm h¡? [½]
(A) hmBnaQ>o³gQ> Q´>m§g’$a àmoQ>moH$m°b (HTTP)
(~) ’$mBb Q´>m§g’$a àmoQ>moH$m°b (FTP)
(g) ßdmB§Q> Qy> ßdmB§Q> àmoQ>moH$m°b (PPP)
(X) gab ‘ob Q´>m§g’$a àmoQ>moH$m°b (SMTP)
Which protocol is used to access the World Wide Web?
(A) Hypertext Transfer Protocol (HTTP)
(B) File Transfer Protocol (FTP)
(C) Point to Point Protocol (PPP)
(D) Simple Mail Transfer Protocol (SMTP)
xviii) ............. dh ì¶{³V hmoVm h¡ Omo H§$߶yQ>a {gñQ>‘ H$mo h¡H$ H$aZo ¶m {Z¶§ÌU H$aZo Ho$ {bE n¶m©á Hw$eb
hmoVm h¡ & [½]
(A) H$ñQ>‘a (~) H§$Á¶y‘a
(g) h¡H$a (X) àmoS²>¶yga
________ is a person that is skilled enough to hack or take control of a
computer system.
(A) Customer (B) Consumer
(C) Hacker (D) Producer

SS–03–Comp.Sci. (Opt.) 7003

7
2) [aŠV ñWmZm| H$s ny{V© H$s{OE - [10 × ½ = 5]
Fill in the blanks -
i) .......... EH$ nm¶WZ Am°ãOo³Q> h¡ Omo EH$ Ìw{Q> H$m à{V{Z{YËd H$aVm h¡ & [½]
_______ is a Python object that represents an error.
ii) ........... {d{Y H$m Cn¶moJ ’$mBb H$mo ~§X H$aZo Ho$ {bE {H$¶m OmVm h¡ & [½]
________ method is used to close the file.
iii) ............. EH$ S>oQ>m g§aMZm h¡ {Og‘| gpå‘bZ Am¡a {dbmonZ Ho$db EH$ N>moa go {H$¶m OmVm h¡ &[½]
_______ is a data structure in which insertion and deletion is done from one
end only.
iv) FIFO H$m nyam Zm‘ ............. h¡ & [½]
Full Name of FIFO is __________.
v) H$moB© ^r EëJmo[aX‘ {Og‘| H$moB© byn Zht hmoVm h¡, CgH$s g‘¶ O{Q>bVm .............. hmoVr h¡ & [½]
Any Algorithm that does not have any loop will have time complexity as ____
vi) ............... H$m AW© h¡, VËdm| Ho$ g§J«h ‘| H§w$Or Zm‘H$ EH$ {deof VËd H$m nVm bJmZo H$m à¶mg
H$aZm & [½]
_______ means, trying to locate a particular element called key in a collection
of elements.
vii) .............. {XE JE ‘mZm| H$m Am¡gV h¡ & [½]
________ is the average of given values.
viii) .............. H§$߶yQ>a ‘| S>oQ>m ñQ>moa H$aZo Ho$ {bE EH$ nmÌ h¡ & [½]
_______ is a container to store data in a computer.
ix) SQL H$m nyam Zm‘ .............. h¡ & [½]
Full Name of SQL is _________.
x) ............. EH$ ‘erZ go Xÿgar ‘erZ ‘| ’$mBb Q´>m§g’$a H$aZo Ho$ {b¶o à¶moJ {H$¶m OmZo dmbm
àmoQ>moH$m°b h¡ & [½]
_______ is the protocol used for transferring files from one machine to
another.

SS–03–Comp.Sci. (Opt.) 7003 [ Turn Over

8
3) A{V bKwÎmamË_H$ àíZ - [10 × 1 = 10]

Very short answer type questions -

i) eyݶ {d^mOZ Ìw{Q> ³¶m hmoVr h¡? [1]

What is Zero Division Error?

ii) ~mBZar ’$mBb ³¶m hmoVr h¡? [1]

What is Binary file?

iii) ñQ>¡H$ na {H$E JE Xmo ‘yb^yV Am°naoeÝg Ho$ Zm‘ {b{IE & [1]

Write Names of two basic operation performed on the stack.

iv) {dn§p³V ³¶m hmoVr h¡? [1]

What is Deque?

v) a¡{IH$ ImoO ³¶m h¡? [1]

What is Linear Search?

vi) g§a{MV S>oQ>m H$mo n[a^m{fV H$s{OE & [1]

Define Structured data.

vii) àmB‘ar H$s ³¶m hmoVr h¡? [1]

What is primary Key?

viii) SQL ‘| AVG( ) ’§$³eZ H$m Cn¶moJ {b{IE & [1]

Write use of AVG( ) function in SQL.

ix) H§$߶yQ>a ZoQ>dH©$ ³¶m hmoVm h¡? [1]

What is a Computer Network?

x) E§Q>rdm¶ag ³¶m hmoVm h¡? [1]

What is Antivirus?

SS–03–Comp.Sci. (Opt.) 7003

9
IÊS> - ~
SECTION - B
bKwÎmamË_H$ àíZ - [10 × 1½ = 15]
Short answer type questions -
4) A§V{Z©{‘©V AndmX ³¶m hmoVo h¢? [1½]
What are built-in exceptions?

5) Seek ( ) {d{Y Ho$ ~mao ‘| {b{IE & [1½]
Write about Seek ( ) method.

6) ñQ>¡H$ Ho$ H$moB© VrZ Cn¶moJ {b{IE & [1½]
Write any three uses of Stack.

7) n§p³V ‘| Amodaâbmo ³¶m hmoVm h¡? [1½]
What is overflow in queue?

8) B§ge©Z gm°Q>© ³¶m hmoVm h¡? [1½]
What is Insertion Sort?

9) S>mQ>m~og ³¶m hmoVm h¡? [1½]
What is Database?

10) SQL Ho$ {H$Ýht ^r VrZ S>oQ> Am¡a Q>mB‘ ’§$³e§g Ho$ ~mao ‘| {b{IE & [1½]
Write about any three date and time functions of SQL.

11) bmoH$b E[a¶m ZoQ>dH©$ (LAN) ³¶m h¡? [1½]
What is Local Area Network (LAN)?

12) dm¶S>© Q´>m§g‘reZ ³¶m hmoVm h¡? [1½]
What is Wired Transmission?

13) ’$m¶adm°b ³¶m hmoVr h¡? [1½]
What is firewall?

SS–03–Comp.Sci. (Opt.) 7003 [ Turn Over

10
IÊS> - g
SECTION - C

XrK©CÎmar` àíZ - [3 × 3 = 9]

Long answer type questions -

14) ~~b gm°Q>© H$m CXmhaU g{hV dU©Z H$s{OE & > [3]

Explain Bubble Sort with Example.

AWdm/OR

(A * B) + (C / D) H$mo nmoñQ>{’$³g ZmoQ>oeZ ‘| ~X{bE &

Convert (A * B) + (C / D) into Postfix notation.

15) n§p³V~Õ (ENQUEUE) Am¡a {dn§p³V (DEQUEUE) ‘| A§Va {b{IE & > [3]

Write differences between ENQUEUE and DEQUEUE.

AWdm/OR

gmB~a ’«$m°S> ³¶m hmoVm h¡? CXmhaU g{hV dU©Z H$s{OE &

What is Cyber fraud? Explain with example.

16) {ÛAmYmar ImoO H$m CXmhaU g{hV dU©Z H$s{OE & > [3]

Explain Binary Search with example.

AWdm/OR

S>oQ>m~og, ’$mBb {gñQ>‘ à~§YZ ‘| AmZo dmbr g‘ñ¶mAm| H$mo H¡$go Xÿa H$aVm h¡?

How database overcome limitations faced in file system?

SS–03–Comp.Sci. (Opt.) 7003

11
IÊS> - X
SECTION - D

{Z~ÝYmË_H$ àíZ - [2 × 4 = 8]
Essay type questions -
17) ³¶y Am¡a ñQ>¡H$ H$s VwbZm H$s{OE & > [4]
Compare Queue and Stack.
AWdm/OR
B§Q>aZoQ> Ho$ ’$m¶Xo Am¡a ZwH$gmZ {b{IE &
Write merits and demerits of Internet.

18) {ZåZ{b{IV SQL ñQ>oQ>‘|Q> Ho$ AmCQ>nwQ> {b{IE - [4]
i) SELECT LENGTH ("OUTLINE")
ii) SELECT MONTH NAME ("2024-09-18")
iii) SELECT LOWER ("COMPUTER")
iv) SELECT MOD (90, 9)
Write output for following SQL statements -
i) SELECT LENGTH ("OUTLINE")
ii) SELECT MONTH NAME ("2024-09-18")
iii) SELECT LOWER ("COMPUTER")
iv) SELECT MOD (90, 9)
AWdm/OR
DBMS H$s ‘w»¶ AdYmaUm H$m dU©Z H$s{OE &
Describe key concepts of DBMS.


SS–03–Comp.Sci. (Opt.) 7003

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