MBOSE Class 10 Question Paper 2026 for Computer Science

FOR MBOSE CLASS 10 EXAM PREPARATION

MBOSE Class 10 2026
Question Paper ·
Computer Science
EXAM YEAR TYPE SUBJECT

MBOSE Class 10 2026 Question Paper Computer Science

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Total No. of Printed Pages—12
X/26/CSc

2 0 2 6 m
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c. o COMPUTER SCIENCE m .co
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Full Marks : 80

g l a Pass Marks : 24
a Time : 3 hours
The figures in the margin indicate full marks for the questions

General Instructions :
(i) Please check that the Question Paper contains
55 questions.
(ii) 15 minutes time is given for the candidates to read the
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Question Paper. The Question Paper will be distributed
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15 minutes before the scheduled time of the
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examination. In these 15 minutes, the candidates
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should only read the instructions and questions
carefully and should not write answers on the Answer
Script.
(iii) For candidates without Internal Assessment, their
marks will be multiplied by 1·25 to adjust their total to
a maximum of 100 marks.
(iv) The Question Paper contains 4 Sections, Section—A,
B, C and D.
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(v) Section—A contains Multiple Choice Questions (MCQ).
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Choose the most appropriate answer from the given

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options. The answers to this Section must be given in
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Answer the questions briefly, in minimum 3–4 lines.
(vii) Section—C contains short answer-type questions.
Answer the questions briefly giving suitable examples
(if needed), in minimum 5–6 lines.

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( 2 )

(viii) Section—D contains long answer-type questions.
Answer the questions by explaining the related terms
or by writing proper programming codes.
(ix) If the questions meant for the Visually Handicapped
(Blind) Students are answered by other students, they
will not be evaluated.

SECTION—A
( Maximum Marks : 30 )
( Multiple Choice Questions )

Attempt all questions : 1×30=30
1. Which one of the following is also known as end-user
programs?
(A) System software
(B) Application software
(C) Operating system
(D) File compression utility

2. Which of the following designs the payslips as per a
company requirement?
(A) Billing and Accounting software
(B) Payroll software
(C) Attendance system software
(D) HR management software

3. Which of the following displays files in specified directory
and all subdirectories?
(A) DIR/W
(B) DIR/P
(C) DIR/S
(D) DIR/AH

X/26/CSc/15 [ Contd.

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( 3 )

4. Which of the following DOS commands is used to make
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a duplicate of a disk?
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(A) DISKCOPY.co s e m
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(B) DISKCOMP
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(C)
(D) ASSOC

5. The Linux command that gives the privilege of system
administrator is
(A) ping
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(B) sudo
(C) nano
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(D) cat

6. The range of ASCII values for lowercase alphabets is
(A) 55 to 78
(B) 65 to 90
(C) 97 to 122
(D) 48 to 56 m
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(A) 15th August, 1995
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a (B) 15th September, 1900
(C) 26th January, 2000
(D) 26th January, 1990

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( 4 )

8. What does VoIP mean?
(A) Virtual online Interaction Program
(B) Voltage online Information Portal
(C) Voice over Internet Protocol
(D) Volume of Information Processing

9. WWW uses the following to send and request page from
the client and returns the server response.
(A) SMTP
(B) HTTP
(C) HTML
(D) FTP

10. Which of the following is a text-only browser?
(A) Netscape Navigator
(B) Mosaic
(C) Lynx
(D) Opera

11. Which tag is used to display the definition of a term?
(A) <DL> ...... </DL>
(B) <DT> ...... </DT>
(C) <DD> ...... </DD>
(D) <LI> ...... </LI>

12. It is a device that connects dissimilar networks.
(A) Router
(B) Gateway
(C) Hub
(D) Star

X/26/CSc/15 [ Contd.

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( 5 )

13. The end1 is a/an
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(A) function
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(B) data m
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(C) loperator ag
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(D)

14. In polymorphism, the derived class is also known as
_____ class.
(A) child
(B) baby
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(C) son
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(D) daughter
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15. The set of activities that athe object performs defines the
object’s
(A) attitude
(B) behaviour
(C) property
(D) face m
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(A) Operation
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(C) Attribute
(D) Calculation

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( 6 )

17. Comment lines are used as _____ for all programs.
(A) internal documentation
(B) program lines
(C) debugging
(D) reading

18. It is used to combine two expressions containing
relational operators.
(A) Arithmetic operator
(B) Logical operator
(C) Relational operator
(D) Assignment operator

19. Which of the following escape sequences gives a beep
sound?
(A) \a
(B) \f
(C) \s
(D) \n

20. Java programming language supports sequential,
selection and _____ programming constructs.
(A) report
(B) structured
(C) repetition
(D) dependent

21. A label used in GOTO statement is a valid identifier
ended by a
(A) semicolon (;)
(B) colon (:)
(C) comma (,)
(D) period (.)

X/26/CSc/15 [ Contd.

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( 7 )

22. Execution error includes unwanted output and
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(A) indefinite loop
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(B) spelling mistake
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(C) stack overflow
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(D) wrong usage of keyword
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23. It is the Java execution file.
(A) Java
(B) Javac
(C) Javacompile
(D) Jcompile

24. The value assigned to non-primitive or reference-type
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data is either
(A) a number or an alphabet
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(B) a number or a constant
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(C) a reference or a null
(D) a string or an expression

25. This virus was developed by Bob Thomas in 1971 and it
was an experimental self-replicating program that used
ARPANET to infect DEC PDP-10.
(A) Elk Cloner
(B) Creeper
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(C) ILOVEYOU
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(D) Melissa
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of the following firewall checks every packet,

las which goes through it, for a virus attack?
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(B) Proxy
(C) Inspection
(D) Pop-up-blocker

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( 8 )

27. The following is a protocol used for transmission of
secure data over the network by establishing a secure
link between the web browser and web server.
(A) SSL
(B) Encryption
(C) Digital Signature and Certificate
(D) Authentication

28. It is the process where you try to identify who is hacking
or has already hacked the computer system.
(A) Firing
(B) Counter-hacking
(C) Hashing
(D) Encountering

29. The algorithm used for encrypting the data is called
(A) code
(B) cipher
(C) data
(D) ciphertext

30. Which of the following file sharing services are leading
cause of spread of virus?
(A) Man-to-man
(B) Peer-to-peer
(C) Point-to-point
(D) Phone-to-phone

X/26/CSc/15 [ Contd.

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( 9 )

SECTION—B
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From Question 2×6=12

31. Define Unix and Linux.
32. Convert (110111)2 into decimal equivalent.
33. Differentiate web browser and web server.
34. Differentiate <P> tag and <BR> tag.

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35. Evaluate and write the output of x =( a!= b )? -- b : a++;

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where a = 7, b = 4.
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36. What is the difference between
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a the keyword ‘void’ in a Java
37. What is the purpose of using
program?
38. Define JVM and enumerate its features.
39. Define Spyware and give its examples.

SECTION—C
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40. Why is binary number system used for digital system?
What does A–F refer to in hexadecimal number system?
2+1=3

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( 10 )

41. What is the difference between EXOR and EXNOR gates?
Draw their symbols.

[ For Visually Handicapped (Blind) Students
only instead of Q. No. 41 ]

Write Boolean expressions of NAND, NOR and OR.

42. What is the role of ISP? Name some popular ISPs in
India.

43. Differentiate <IMG> and <A> tags.

44. Explain comma operator with an example.

45. What is the use of header files? Write the purposes of
any two header files used in C++ program.

46. Why can a Java program be run on any operating
system? Which properties of OOPS makes it possible?

47. Debug the following Java program to print the sum of
any two numbers :
import java.util.Scanner;
public class AddNum
{
public static void main(String[ ]args)
{
sc = new Scanner(System.in);
System.out.println(“Enter the numbers: ”);
a = nextInt( );
b = nextInt( );
System.out.println(“Sum of the two numbers = ”, a + b);
}
}

X/26/CSc/15 [ Contd.

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( 11 )

48. Define the following terms :
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(a) Encryption
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(b) Trojan Horse l a
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(c) glDigital Signature
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SECTION—D
( Maximum Marks : 20 )

( Long Answer-type Questions )

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From Question Nos. 49–55, answer any four :
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49. Add the binary numbers (100101)2, (101111)2 and
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(100110)2. Convert the result to decimal number and
write the ASCII character of the result obtained.

50. Write the commands in operating system to perform the
following operations :

(a) Display all files with the extension .DOC in the current
directory (in DOS)
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To display the content of the file called TEST.TXT
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(in Linux)

(e) To see all the hidden files (in Linux)

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( 12 )

51. Write the HTML code to create the following table :

52. Write a C++ program to print the factors of a number
entered by the user.

53. Write a program in C++ to find the sum of digits of a
number entered by the user.

54. Write a program in Java to print whether a number
entered by the user is even or odd.

55. Define the following terms :
(a) Worm
(b) Cybercrime
(c) SSL
(d) Drive imaging
(e) Zmist virus
  

X/26/CSc/15 26K—2680

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