Rajasthan Board 12th Model Paper 2024 Computer Science

MODEL
PAPER बोर्ड ऑफ सेकं डरी एज्युके शन राजस्थान
RAJASTHAN BOARD

2024

Download PDF

ek/;fed f'k{kk cksMZ jktLFkku]vtesj
ekWMy iz’u i= mPp ek/;fed ijh{kk 2024
fo"k;& dEI;wVj foKku
Subject - Computer Science
d{kk&12

le;% 3 ?k.Vs 15 feuV iw.kkZad% 56
ijh{kkfFkZ;ksa ds fy, lkekU; funZs'k %&
GENERAL INSTRUCTION TO THE EXAMINEES:
1- ijh{kkFkhZ loZizFke vius iz'u i= ij ukekad vfuok;Zr% fy[ksaA

Candidate must write first his/her Roll No. on the question paper compulsorily.
2- lHkh iz'u djus vfuok;Z gSA

All the questions are compulasory.
3- izR;sd iz'u dk mÙkj nh xbZ mÙkj iqfLrdk esa gh fy[ksaA
Write the answer to each question in the given answer book only.
4- ftu iz'uksa esa vkUrfjd [k.M gS mu lHkh ds mÙkj ,d lkFk gh fy[ksaA
For questions having more than one part the answers to those parts are to be written
together in continuity.

[k.M & ¼v½
SECTION-(A)

(1) (i) tc izksxzke dks ju djrs le; error vkrh gS rks Exception gS---------------------------- ½
(v) Created (c) Asserted
(l) Triggered (n) Raised
When an error occurs during the execution of a Program, an exception
is said to have been ...........................
(a) Created (b) Asserted
(c) Triggered (d) Raised

(ii) Readlines( ) eSFkM okil nsrk gS-------------------------- ½
(v) String (c) List
(l) Dictionary (n) Tuple
Readlines( ) method return ...................................
(a) String (b) List
(c) Dictionary (d) Tuple

(iii) Stack esa u;s elements dks TOP esa tksM+us dks dgrs gSaA ½
(v) POP (c) PUSH
(l) INSERT (n) (a) (and (b) both
.............. adds a new elements at the TOP of the stack.
(a) POP (b) PUSH
(c) INSERT (d) (a) (and (b) both
(iv) lkekU;r% Storage fMokbl gSA ½

(v) Hard disk (c) SSD
(l) Pen drive (n) all of the above
Commonly used storage devices .
(a) Hard disk (b) SSD
(c) Pen drive (d) all of the above
(v) fuEu esa ls MkVkcsl ds xq.k gS & ½

(v) MkVkcsl okLrfod nqfu;k ds dqN igyw dk izfrfuf/kRo djrk gSaA ftls feuh oYMZ Hkh dgk
tkrk gSA
(c) ;g fof'k"V mn~ns'; ds fy, MsVk dks fMtkbu djuk] cukuk vkSj laxzg fd;k tkrk gSA
(l) ;g fdlh Hkh vkdkj vkSj tfVyrk dk gks ldrk gSA

¼n½ mijksDr lHkhA

Which of the following properties belong to the database?
(A) A database is a representation of some aspect of the real world also called mini
world.
(B) It is designed, built and populated with data for specific purpose.
(C) It can be of any size and complexity
(D) All of the above.
(vi) SQL esa fdl dek.M ls Vscy laxzg ds xq.kksa dks cnyk tk ldrk gSA ½
(v) Alter Table (c) Modify Table
(l) Change Table (n) Hide Table
In SQL, which command is used to change a table's storage characteristic?
(a) Alter Table (b) Modify Table
(c) Change Table (d) Hide Table
(vii) A computer Network- ½
(v) ;g dEI;wVj ds gkMZos;j vkSj mlds ?kVdksa dk laxzg gSA
(c) ;g lapkj pSuy }kjk ijLij twMs+ gq;s gSA
(l) lalk/kuksa vkSj lwpukvksa dks lk>k djus dh vuqefr nsrk gSA
¼n½ mijksDr lHkhA
A computer Network-
(A) It is a collection of hardware components and Computer?
(B) It is interconnected by communication channels.
(C) Allows sharing of resources and information
(D) All of the above

(viii) Bandwidth dks ekik tkrk gS& ½
(v) Byte per second (c) Bit per second
(l) Hertz (n) Amperes
Bandwidth is measured in -
(a) Byte per second (b)) Bit per second
(c) Hertz (d) Amperes

(ix) Malware dh igpku djsa tks fdlh laØe.k ds ek/;e ls izfrd`fr ;k Dyksu ugha cukrk gSA ½
(v) Trojans (c) Worms
(l) Rookits (n) Virus
Identify the malware which does not replicate or clone through an infections
(A) Trojans (B) Worms
(C) Rookits (D) Virus
(x) ---------------------------- ,d ikbFku object gS tks ,d error dks iznf'kZr djrk gSA ½
(v) Interpreter (c) Compiler

(l) Exception (n) Module
..................... is a python object that represents an error
(A) Interpreter (B) Compiler
(C) Exception (D) Module

(xi) Stack vuqlj.k djrk gS ½
¼v) FIFO (c) LIFO
(l) FILO (n) LILO
Stack follows :-
¼A) FIFO (B) LIFO
(C) FILO (D) LILO
(xii) Stack vkSj Quene nksuks ykxw djus ds fy, fdl MsVk lajpuk dk mi;ksx fd;k tkrk gSA ½
¼v) Stack (c) Array
(l) Quene (n) Deque
Which data structure can be used to implement both stack and quene
¼A) Stack (B) Array
(C) Quene (D) Deque
(xiii) tc nks rRo gSa'k rkfydk eas ,d gh Slot esa map gksrs gS rks bls dgk tkrk gSA ½
¼v) collision (c) Sorting
(l) Searching (n) Merging
When two elements map to the same slot in the hash table its is called.
¼v) collision (c) Sorting
(l) Searching (n) Merging
(xiv) fdlh rRo ds laxzg dks fdlh fo'ks"k Øe eas j[kus ;k iquO;ZofLFkr djus dh izfØ;k ½
dks dgk tkrk gSA
¼v) Searching (c) Sorting
(l) Rearranging (n) Merging
The process of placing or rearranging a collection of elements into a particular
order is known as
¼A) Searching (B) Sorting
(C) Rearranging (D) Merging
(xv) vkerkSj ij mi;ksx djus okyh storage device ½
¼v) SSD (c) Pen Drive
(l) HDD (n) All of the above
Commonly used storage devices,
¼A) SSD (B) Pen Drive
(C) HDD (D) All of the above
(xvi) fuEufyf[kr esa ls dkSulk lcls NksVk usVodZ gSA ½
¼v) WAN (c) MAN
(l) LAN (n) None of the above
Which of the following is the smallest network ?
¼A) WAN (B) MAN
(C) LAN (D) None of the above

Q2. Fill in blanks
(i) ...................... search fdlh Hkh elements dks NksM+s fcuk] ,d ckj esa ,d
lwph ds elements dh tkap djrk gSA
½

...................... search checks the elements of a list, one at a time, without
skipping any elements.
(ii) fdlh fo'ks"k Øe esa rRoksa ds laxzg dks iqu% O;ofLFkr djus dh izfØ;k dks -------------------- dgk tkrk
gSA ½
The process of placing or rearranging a collection of elements into
a particular order is known as ................................
(iii) Front vkSj Rear dk mi;ksx ---------------------------------- dh 'kq:vkr ;k var esa fd;k tkrk gSA ½
Front and Rear are used to indicate begining and end of ...............
(iv) ------------------------------ ,d Python object gS tks ,d error dks crkrk gSA ½
....................... is a python object that represents an error.
(v) ---------------------- ,d izksxke dk laxzg gS tks data base dks mi;ksx o maintain djus ds fy,
mi;ksxdrkZ dks l{ke cukrk gSA ½
A ......... is a collection of programs that enables users to rate mantain and use a
database.
(vi) fdlh laca/k esa dksbZ fo'ks"krk foreign key gSA ;fn og fdlh vU; lacU/k esa ------------- key gS ½
An attribute in a relation is foreign key if it is the .............. key in any
other relation.
(vii) FTP 'kCn dk vFkZ gS ------------------------- - ½
The term FTP stands for ................. .
(viii) ------------------------- dbZ vyx&vyx usVodZ dk laxzg gSA ½
........... is a collection of many separate networks.
(ix) VoLTE dk vFkZ gS ½
VoLTE stands for ..........................................
(x) -------------------------------------- ,d legitimate software gS tks ,d ckj baLVkay gks tkus ds ckn virus
dh rjg dk;Z djrk gSA ½
................ looks like a legitimate software which once installed acts like a virus.

Q3 fn;s x;s iz'uksa ds mÙkj fyf[k,A
Answer the following questions.
(i) Python esa ID Error Exception dSls ekywe dh tkrh gS \ 1
How to catch ID Error Exception in Python ?

(ii) Python esa ge Open ( ) dk mi;ksx dc djrs gS \ 1
When we use open ( ) methods in Python ?

(iii) Data file ls Data ds Bytes(n) dh fufnZ"V la[;k dks i<+us ds fy, fdl QaD'ku dk mi;ksx fd;k
tkrk gSA 1
Which Method is used to read a specified numbers of bytes(n) of data from a
data file.

(iv) fdlh d{kk esa Nk=ksa dh ÅpkbZ ls-eh- esa nh xbZ gS [90, 120, 110, 115, 85, 90, 100, 110,
110]. Nk=ksa dh ÅapkbZ dk vkSlr ;k Mean Kkr dhft,A 1

Assume that height (in cm) of Students in a class are as follows [90, 120, 110,
115, 85, 90, 100, 110, 110]. Find Mean or average height of the Class.

(v) Database schema D;k gS\ 1
What is Database schema?

(vi) SQL esa ge update statement dc iz;ksx esa ysrs gS \ 1
When we use Update statement in SQL ?

(vii) Computer network ds dksbZ ikap Hkkx fyf[k,A 1
Write any five components of computer network.

(viii) Transmission Media D;k gksrk gS \ 1
What is transmission Media ?

[k.M & ¼c½
SECTION -(B)

Q4 Catching an exception dks le>kb;sA 1-5
Define the term Catching an exception.

Q5 uhps fy[ks dFku (a) o (b) esa D;k vUrj gS \ 1-5
(a) p =open("Practice. txt", "r")
p. read (0)
(b) With open("Practice. txt", "r") as p:
x = p.read( ).

What is the diffence between the following set of statements (a) and (b) ?
(a) p =open("Practice. txt", "r")
p. read (0)
(b) With open("Practice. txt", "r") as p:
x = p.read( ).

Q6 Stack ij fd, tk ldus okys cqfu;knh vkWijs'ku D;k gS\ 1-5
What are the basic operations that can be performed on the stack?
Q7 Deque MsVk Vkbi fdl izdkj ls MhD;w MsVk Vkbi ls vyx gS \ 1-5
How is queue deque data type different from deque data type?
Q8 ,d fyLV dks vojksgh Øe esa Øec) djus ds fy, ccy lkWVZ ,YxksfjFke fy[ksA 1-5

Write a bubble sort algorithm to sort a list in descending order.
Q9 Collision D;k gS\ 1-5
What is collision?

Q10 Structured data vkSj unstructured data esa vUrj fyf[k,A 1-5
Differentiate between Structured data and unstructured data.

Q11 ,d lIrkg ds lkr fnu dk rkieku ¼lsfY;;l esa½ 34, 34, 27, 28, 27, 34, 34
fn;k x;k gSA bu rkieku dk standard deviation Kkr dhft,A 1-5
Consider the temperature (in Celsius) of 7days of a week as 34, 34, 27,
28, 27, 34, 34. Find the standard deviation temperature.

Q12 Single Row Function vkSj Aggregate Function esa dksbZ nks vUrj fyf[k,A 1-5
Write any two difference between Single Row Function and
Aggregate Function.

Q13 fn;s x;s SQL Statement dk vkmViqV fyf[k,A 1-5
(a) SELECT POW (3,4) (b) SELECT LENGTH ("INDIA")
Write the output produced by the following SQL Statement.
(a) SELECT POW (3,4) (b) SELECT LENGTH ("INDIA")
Q14 HTTP ij fVIi.kh fyf[k,A 1-5
Write short Note on HTTP.

Q 15 Dos vkSj DDos vVSd esa vUrj fyf[k,A 1-5
Differentiate between Dos and DDoS attack.

[k.M & ¼l½
SECTION -(C)

Q16. Stack dk mi;ksx djds ,d fLVªax dks fjolZ esa fy[kus dk ,d izksxzke fyf[k,A 3
Write A program to reverse a string using stack.

vFkok@OR
¼ ¼2$3½ * ¼4@2½ ½ $ 2 mijksDr vfHkO;fDr dk mi;ksx djrs gq,A Stack data structure dk mi;ksx
djds dks"Bdks ds feyku ds fy, pj.k nj pj.k izfØ;k fn[kk,aA
¼ ¼2$3½ * ¼4@2½ ½ $ 2 using above Expression show step by step process for
matching parentheses using stack data structure .

Q17. Python esa ,d izksxzke fyf[k, ftles fLVaªx Palindrome gS ;k ughaA 3
Write a Python program to check whether the given string a palindrome or not
using deque.

vFkok@OR
Quene vkSj stack dh rqyuk djsA
Compare and contrast queue with stack.

Q18. ,d dkslZ esa izos'k ds le; Nk= dk uke Mkyk tkrk gSA ,d izksxzke fy[ks tks izR;sd uke dks
vkjksgh Øe esa LVksj djsaA 3
During admission in a course, the name of the students are insert.
Write a programe to store every name in ascending order.

vFkok@OR
fdlh List dks ascending order esa dec) djus ds fy, selection sort dk algorithm fy[ksA
Write a selections sort algorithm to sort a list in ascending order.

[k.M & ¼n½
SECTION -(D)

Q19 Linear lpZ izksxzke dk mi;ksx djrs gq, MqIyhdsV oSY;w 8 dks nh xbZ List [42, -2, 32, 8,
7, 9, 42, 3, 8, 44] esa [kkstsA ;g dkSulh Position fn[kk;sxk vkSj bldk D;k vFkZ gksxk\ 4
Use the Linear search program to search the key with value 8 in the list
having duplicate values such as [42, -2, 32, 8, 7, 9, 42, 3, 8, 44]. What is
the position returned? What does this mean?
vFkok@OR
,d Num List esa 7 elements gS [8, -4, 7, 7,0,2,9] bl Num Lisy esa gesa 17 [kkstuk gSA
Linear lpZ ,yxksfjFke dk iz;ksx djrs gq;s blds LVsi fy[ksA
Assume that the num List has seven elements [8, -4, 7, 7,0,2,9] so n=7.
We need to search for the key num List =7. Write The step by step process
of Linear search using Algorithm.

0.20 DBMS ds eq[; vo/kkj.kk dk o.kZu dhft,A 4
Describe Key Concepts of DBMS.
vFkok@OR
Relation ds rhu egRoiw.kZ xq.kksa dk o.kZu dhft,A
Describe Three important Properties of a Relation.