Class 11th IP Objective Question

OBJECTIVE

Computer Science MCQs (With Answers)

Computer Science – MCQs (With Answers)

1. True/False: ROM is a non-volatile memory.
True

2. Which of the following is an example of application software?
a) Linux
b) MySQL
c) Device Driver
d) BIOS

3. The storage device with the fastest access time is:
a) Hard Disk
b) Cache Memory
c) CD-ROM
d) DVD

4. Which of the following is a primary memory?
a) Pen Drive
b) RAM
c) Blu-ray Disk
d) SSD

5. Aarav is confused about operator precedence in Python. Which has the lowest precedence?
a) **
b) +
c) //
d) and

6. In Python, the % operator is used for:
a) Modulus
b) Exponent
c) Floor Division
d) Division

7. Which loop is suitable when iterations are not known in advance?
a) for loop
b) while loop
c) do-while loop
d) if loop

8. In a Python dictionary, keys must be:
a) Mutable
b) Immutable
c) Numeric only
d) List

9. True/False: insert() method adds an element at the end of a list.
False

10. The mode used to execute a Python file saved on disk is:
a) Script mode
b) Interactive mode
c) Debug mode
d) Compile mode

Computer Science MCQs (With Answers)

Computer Science – MCQs (Questions 11–20)

11. Which of the following evaluates to True?
a) 4 in [1, 2, 3]
b) 'p' not in 'apple'
c) 'z' in ('a','b','c')
d) 10 in (5,10,15)

12. Arrange in increasing order of memory size:
a) TB < KB < MB < GB
b) KB < MB < GB < TB
c) MB < GB < KB < TB
d) GB < MB < KB < TB

13. What will be the output of:


while False:
    print('Hello World')

a) Prints once
b) Infinite loop
c) Nothing
d) Error

14. In Python, lines beginning with # are called:
a) Functions
b) Comments
c) Operators
d) Variables

15. Utility software is used to:
a) Perform user-specific tasks
b) Manage system hardware
c) Provide antivirus, backup
d) Boot OS

16. What will be the data type of:
x = 17 // 5
a) int
b) float
c) bool
d) str

17. Which type of memory is directly accessible by CPU?
a) Hard Disk
b) SSD
c) RAM
d) Optical Disk

18. What is the output of:
len('Python')
a) 5
b) 6
c) 7
d) Error

19. Pandas library in Python is used for:
a) Data analysis
b) Graphics
c) Web development
d) Text editing

20. Assertion (A): In Python, indentation defines a block of code.
Reason (R): Indentation improves readability but does not affect execution.

a) Both A and R are True and R is the correct explanation for A
b) Both A and R are True and R is not the correct explanation for A
c) A is True but R is False
d) A is False but R is True

Computer Science MCQs (With Answers)

Computer Science – MCQs (Questions 21–30)

21. Assertion (A): Tuples are immutable in Python.
Reason (R): This makes them faster than lists for iteration.

a) Both A and R are True and R is the correct explanation for A
b) Both A and R are True and R is not the correct explanation for A
c) A is True but R is False
d) A is False but R is True

22. State True or False: To make a computer functional, system software is required.
True

23. Which of the following is not correct about RAM?
a) It is a type of Primary memory
b) It is a non-volatile memory
c) It saves data temporarily
d) It is faster than secondary memory

24. Which of the following is a general-purpose application software?
a) Web Browser
b) Text Editor
c) Interpreter
d) Quick Heal

25. Assertion (A): Immersive experience can be achieved using virtual reality and augmented reality.
Reason (R): Immersive experiences allow us to visualize, feel, and react by stimulating our senses.

A) Both A and R are true and R is the correct explanation for A
B) Both A and R are true and R is not the correct explanation for A
C) A is True but R is False
D) A is False but R is True

26. Assertion (A): Big data can be processed and analyzed easily using traditional data tools.
Reason (R): Big data sometimes hold rich information and knowledge.

A) Both A and R are true and R is the correct explanation for A
B) Both A and R are true and R is not the correct explanation for A
C) A is True but R is False
D) A is False but R is True

27. The __________ is a network of devices that have embedded hardware and software to communicate with other devices on the same network.
Internet of Things (IoT)

28. State True or False – The Python interpreter is also known as Python Shell.
True

29. The symbol >>> known as Python Prompt indicates
a) Python program is completed
b) Interpreter is ready to receive instructions
c) The program has some errors
d) The interpreter is ready to save the program

30. Identify one rule to define an identifier:
a) The identifier can be the same as any keyword
b) The identifier can use any special character
c) The identifier cannot start with a number
d) The identifier can have a space

Computer Science MCQs (With Answers)

Computer Science – MCQs (Questions 31–40)

31. The leading white space at the beginning of a statement is called _____________.
Indentation

32. What will be the output of:
3 % 8 + 8 < 25 and 25 <= 25
True

33. Recognize the correct statement in the context of a Python list:
L = [44,55,66,77]
a) L + 3
b) L * '3'
c) L * 3
d) L + (3)

34. Ritika wants to sort a list in-place. Suggest a function.
sort()

35. What will be the output of the following code?


D = {'S. Samson':7,'A. Sharma':17,'S. Yadav':14,'T. Verma':22}
print(len(D))

a) 4
b) 8
c) 1
d) 3

36. Observe the code:


D={'Sanjana':95,'Twisha':89,'Avni':92,'Mahek':85}
for i in D:
    print(i, D[i])

Which statements are correct?
a) I and II are correct
b) III and IV are correct
c) I and III are correct
d) II and IV are correct

37. Which of the following is not a DBMS software?
a) MS Access
b) MySQL
c) PageMaker
d) PostgreSQL

38. Identify the correct statement about database schema:
a) The design of a database
b) Restrictions applied to data
c) Data about data
d) Request to a database for obtaining information

39. State True or False: SQL can be used to perform select queries only.
False

40. Which command is used to reduce the cardinality of a table?
a) Delete
b) Alter
c) Update
d) Modify

Computer Science MCQs (With Answers)

Computer Science – MCQs (Questions 41–50)

41. Which of the following clauses is used to apply criteria for retrieving data?
a) Select
b) Where
c) Order by
d) Group by

42. Which of the following operators works on a set of values?
a) is
b) in
c) like
d) between

43. Identify the interface that allows user to run program or give instructions to the computer in the form of icons, menus and other visual options.
(i) Graphical User Interface
(ii) Character User Interface
(iii) Touch Based Interface
(iv) Voice Based Interface

44. 1074 ZB = ___________________
(i) 1 YB 50 ZB
(ii) 1 EB 50 ZB
(iii) 1 YB 50 PB
(iv) 1 PB 50 TB

45. _______ involves fetching data from storage devices for its processing.
(i) Data Storage
(ii) Data Capturing
(iii) Data Retrieval
(iv) Data Deletion

46. Nimish has joined an organization which uses only Open Source Software. Which software can he NOT use?
(i) Python
(ii) Libre Office
(iii) JAVA
(iv) Tally

47. Identify the incorrect identifier from the following:
(i) none
(ii) None
(iii) nan
(iv) NaN

48. Shilpi’s student wrote the following statement:
'7' + 5
(i) 75
(ii) 12
(iii) TypeError
(iv) 77777

49. Identify the correct command which will produce the output below:
[0, -2, -4, -6, -8]
(i) list(range(-2,-8,-2))
(ii) list(range(0,-8,-2))
(iii) list(range(-2,-10,-2))
(iv) list(range(0,-10,-2))

50. Mr. Malhotra is working on a MySQL table named Student. Which command is used to view the table structure?
(i) Create
(ii) Describe
(iii) Show
(iv) Alter

Computer Science MCQs (With Answers)

Computer Science – MCQs (Questions 51–60)

51. In SQL, determine the command that is used to SELECT only one copy of each set of duplicable rows:
(i) Select Distinct
(ii) Select Unique
(iii) Select Different
(iv) Select All

52. Choose the incorrect statement related to WHERE clause:
(i) It is used to filter records
(ii) It is used to retrieve data that meet some specified conditions
(iii) It is used with SELECT statements as well as with INSERT statements
(iv) It is used with arithmetical as well as logical operators

53. Candidate Key − Primary Key = ____________
(i) Primary Key
(ii) Alternate Key
(iii) Foreign Key
(iv) Composite Key

54. Ms. Ruchi used a pre-configured Apache server from cloud with MySQL and Python pre-installed. Which cloud computing model is this?
(i) IaaS
(ii) PaaS
(iii) SaaS
(iv) DaaS

55. Smart devices like bulbs, fans, and refrigerators connected to LAN/Internet and communicating with each other refers to:
(i) AR
(ii) VR
(iii) WoT
(iv) IoT

56. Assertion: Comments are executed by interpreter.
Reasoning: Comments are used to add a remark or a note in the source code.

i) Both A and R are true and R is the correct explanation for A
ii) Both A and R are true and R is not the correct explanation for A
iii) A is true but R is False
iv) A is false but R is true

57. Assertion: A database can have only one table in MySQL.
Reasoning: If a piece of data is stored in two places in databases, storage space is wasted.

i) Both A and R are true and R is the correct explanation for A
ii) Both A and R are true and R is not the correct explanation for A
iii) A is true but R is False
iv) A is false but R is true

58. One step to gather necessary information from the client about the corrupted external hard drive:
Ask the client about the symptoms of corruption (error messages, OS used, recent events like power failure or physical damage).

59. 1 TB = ______ GB
(i) 1024
(ii) 2048
(iii) 2068
(iv) 3024

60. _______ in computers are capable of performing arithmetic and logical operations (AND, OR, NOT):
(i) CU
(ii) ALU
(iii) Processor
(iv) Input Unit

Computer Science MCQs (With Answers)

Computer Science – MCQs (Questions 61–70)

61. Identify the type of software used for managing restaurant operations like orders, inventory, billing, and reports.
(i) Application Software
(ii) System Software
(iii) Generic Software
(iv) Specific Purpose Software

62. What should be avoided when naming an identifier in Python?
(i) Using reserved keywords
(ii) Using underscores
(iii) Using lowercase letters
(iv) Using digits after the first character

63. Which is the correct way to calculate the average of marks in three subjects in Python?
(i) avg = (marksMaths + marksEnglish + marksIP) / 3
(ii) avg = marksMaths + marksEnglish + marksIP / 3
(iii) avg = marksMaths + marksEnglish + marksIP * 3
(iv) avg = (marksMaths + marksEnglish + marksIP) * 3

64. In MySQL, which statement about NULL value is true?
(i) NULL is equivalent to zero
(ii) NULL values can be used in arithmetic operations
(iii) NULL represents a missing or unknown value
(iv) NULL values are treated as empty strings

65. State True or False: An attribute is a set of values of dissimilar type of data.
False

66. To remove a column from a table, which category of MySQL command is used?
(i) DDL
(ii) DML
(iii) DQL
(iv) TCL

67. Consider the table furniture (FurnitureID, FurnitureName, FurnitureCost). What can be the domain of FurnitureName?
(i) Alphabets
(ii) Alphanumeric
(iii) Alphabets and space
(iv) Alphabets and Special Characters

68. An institution needs virtual classrooms, cloud storage, and ability to run customized apps. Which cloud model is best?
(i) Platform as a Service (PaaS)
(ii) Software as a Service
(iii) Infrastructure as a Service
(iv) Cloud as a Service

69. Assertion: Indexing of Dictionary elements can also be done like List and Tuple.
Reasoning: Dictionary indexing can be done using forward and backward indexing.

Both Assertion and Reason are False

70. Assertion: In a relational database, a tuple represents a single record or row in a table.
Reasoning: Each tuple must have a unique identifier within its table.

Assertion is True but Reason is False

Class 11th IP Objective Question