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Class 10 Computer Science 100 Important Solved MCQs 2027

Important Computer Science 100 solved MCQs 2027

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Prepare for the Punjab Board 2027 examinations with Class 10 Computer Science and Entrepreneurship Whole Book 100 Important MCQs based on the New Syllabus 2027. These important multiple-choice questions (MCQs) are designed to help students revise key concepts, practise objective-type questions, and strengthen their exam preparation. If you are searching for Class 10 Computer Science MCQs 2027, 10th Class Computer Science Important Questions, or Punjab Board 2027 Model Papers, this resource can support your revision and self-assessment. Practise the questions and review the provided answer key to identify areas that need further preparation.

Name:Roll #:Test #:9997371
Subject:Computer-10Class:Class-10Date:
Test TypeType 1C – 100 MCQs Test – Marks = 100Time:
Syllabus:Full Book
Circle the correct answer. (100 × 1 = 100)
1.

A valid type of user account is:

(A) Standard(B) Compiler(C) Browser(D) Editor
2.

In layered OS design, the lower layer works with:

(A) Applications(B) Users(C) Hardware devices(D) Internet
3.

Concurrency means:

(A) CPU switches between processes rapidly(B) Only one process exists(C) No process runs(D) All processes stop
4.

In the FCFS scheduling method, processes are served:

(A) Randomly(B) Shortest job first(C) In the order they arrive(D) By priority only
5.

When is virtual memory used by the operating system?

(A) When CPU is slow(B) When RAM is full(C) When internet is off(D) When power is low
6.

Which devices are commonly used for virtual memory?

(A) Keyboard and mouse(B) Hard drives, SSD, NVMe(C) Monitor and printer(D) GPU only
7.

A thread is defined as:

(A) A complete program(B) The smallest unit of execution(C) A hardware device(D) A storage unit
8.

Multiple threads within a process share:

(A) Different memory(B) Separate CPUs(C) The same memory and resources(D) No resources
9.

What is a system call?

(A) A program that runs in the background(B) A program call to the operating system to perform a specific task(C) A type of virus(D) A programming language function
10.

Which example best represents the “fork” system call?

(A) Saving a file(B) Opening a new browser tab(C) Reading a document(D) Playing music
11.

Which file system is commonly used by Linux OS?

(A) NTFS(B) FAT32(C) EXT4(D) APFS
12.

An Embedded Operating System is optimized for:

(A) General-purpose computing(B) One task or a small set of tasks(C) Smartphones and tablets(D) Managing multiple networked computers
13.

Mobile Operating Systems are designed to support:

(A) Air traffic control systems(B) Industrial robots(C) Network servers in schools(D) Touchscreen use, battery saving, and mobile apps
14.

Which can happen due to lack of regular maintenance?

(A) Improved speed(B) Data loss(C) Better security(D) Increased battery life
15.

Which is a result of poor computer maintenance?

(A) Faster performance(B) Better security(C) Slow performance and system crashes(D) Increased storage space
16.

Task Manager is used for monitoring system performance and running applications.

(A) Correct statement(B) Incorrect statement(C) Only for files(D) Only for hardware
17.

Task Manager is mainly used to:

(A) Monitor running applications(B) Clean up disks(C) Scan for viruses(D) Manage files
18.

System Restore allows a computer to return to an earlier state without:

(A) Updating drivers(B) Restarting the system(C) Deleting personal files(D) Installing programs
19.

Bootable USB drives are used for:

(A) Installing games(B) System repair and recovery(C) Watching videos(D) Sending emails
20.

Firmware in a computer is used to:

(A) Store files(B) Start system(C) Play media(D) Run apps
21.

POST is used to:

(A) Install OS(B) Check hardware(C) Save files(D) Update system
22.

To enable File History, you need to connect:

(A) Printer(B) Scanner(C) External drive(D) Monitor
23.

Tenorshare is:

(A) A built-in Windows tool(B) A third-party recovery software(C) An operating system(D) A browser
24.

Which files are removed by Disk Cleanup?

(A) System files only(B) Temporary and cache files(C) Installed programs(D) Drivers
25.

Which scan checks the entire system thoroughly?

(A) Quick Scan(B) Partial Scan(C) Full Scan(D) Fast Scan
26.

Why is system documentation important?

(A) Increases storage(B) Helps management(C) Slows system(D) Deletes files
27.

The development environment helps in:

(A) Writing and running code(B) Debugging programs(C) Improving efficiency(D) All of the above
28.

An example of an IDE is:

(A) Chrome(B) PyCharm(C) Excel(D) Paint
29.

Which is NOT an IDE mentioned in the text?

(A) PyCharm(B) VS Code(C) IDLE(D) Photoshop
30.

What type of data is stored in name = “Ali”?

(A) Integer(B) Float(C) String(D) Boolean
31.

Identify the data type of the variable: student = True

(A) int(B) float(C) bool(D) Str
32.

Which function converts a string to an integer?

(A) str()(B) int()(C) float()(D) input()
33.

Operators in Python are used to:

(A) Store data(B) Perform operations on operands(C) Print output(D) Take input
34.

A compound assignment operator is:

(A) +=(B) >(C) and(D) ==
35.

Logical operators are used to:

(A) Perform calculations(B) Assign values(C) Combine expressions(D) Store data
36.

What keyword is used to handle the false condition in Python?

(A) if(B) for(C) else(D) while
37.

What is the purpose of control structures in programming?

(A) Only to make code longer(B) To manage decision-making and repetition of tasks(C) To create variables(D) To import libraries
38.

A while loop runs:

(A) Only once(B) As long as condition is true(C) Never runs(D) A fixed number of times
39.

By default, the print() function ends with a:

(A) Space(B) Newline(C) Tab(D) Nothing
40.

How do you prevent print() from adding a newline?

(A) Use end=””(B) Use newline=False(C) Use break(D) Use continue
41.

Which library is used to generate random numbers in Python?

(A) math(B) random(C) statistics(D) OS
42.

Which is NOT calculated by the statistics library?

(A) Mean(B) Median(C) Mode(D) Animation
43.

Which library is used to generate random numbers?

(A) Datetime(B) statistics(C) random(D) math
44.

Lists can contain items such as numbers, strings, or other lists.

(A) Only numbers(B) Only strings(C) Same type only(D) Different data types
45.

The sort() method arranges the elements of a list in:

(A) Descending order(B) Random order(C) Ascending order(D) Reverse order
46.

Print statements help to:

(A) Hide data(B) Check values(C) Delete errors(D) Stop code
47.

Python debugger (pdb) is used to:

(A) Write code(B) Store data(C) Step through code(D) Compile code
48.

Testing without execution of code is called:

(A) Static testing(B) Dynamic testing(C) Functional testing(D) Regression testing
49.

What is Data Science mainly used for?

(A) Playing games(B) Understanding problems and making decisions(C) Writing books(D) Designing clothes
50.

Which is an example of Data Science use?

(A) Painting pictures(B) Predicting weather(C) Cooking food(D) Driving a car
51.

Data Science is mainly used to:

(A) Play games(B) Make decisions using data(C) Write stories(D) Draw pictures
52.

Data in decision making helps to:

(A) Increase mistakes(B) Make guessing easier(C) Make better decisions(D) Avoid information
53.

Data visualization does NOT help to:

(A) Show patterns(B) Share ideas(C) Confuse users(D) Present results
54.

What is the first step in the Data Science Life Cycle (DSLC)?

(A) Collecting Data(B) Visualizing Data(C) Understanding the Problem(D) Analyzing the Data
55.

Which chart is best for comparing groups?

(A) Pie Chart(B) Bar Chart(C) Line Chart(D) Area Chart
56.

Which is NOT a common chart type?

(A) Bar(B) Pie(C) Line(D) Paragraph
57.

A relational database stores information in the form of:

(A) Slides(B) Tables(C) Blocks(D) Layers
58.

What should be done before storing data?

(A) Add animations(B) Clean and validate it(C) Encrypt it(D) Translate it
59.

Data in a database is stored in the form of:

(A) Pictures(B) Tables(C) Videos(D) Files only
60.

A field in a database refers to:

(A) Entire table(B) Specific information like name(C) Software tool(D) File name
61.

INSERT INTO command is used to:

(A) Remove data(B) Add new data(C) Hide data(D) Sort data
62.

Which platform recommends videos based on users’ watching history?

(A) Paint(B) YouTube(C) Calculator(D) Notepad
63.

Which is an example of AI?

(A) A chatbot replying to your questions(B) Using a whiteboard(C) A TV remote(D) Typing on a keyboard
64.

What is Machine Learning (ML)?

(A) Teaching humans to use machines(B) Teaching machines to learn from data like humans(C) Learning computer hardware basics(D) A machine without internet
65.

Supervised learning is not possible without ____ data.

(A) Labeled(B) Random(C) Hidden(D) Mixed
66.

Unsupervised learning does not provide correct answers; instead, it finds _____ independently.

(A) Labels(B) Patterns and groups(C) Commands(D) Mistakes
67.

In supervised learning, the data is:

(A) Unorganized(B) Without any answers(C) Labelled with correct answers(D) Only text-based
68.

Chatbots are used by businesses to _____ customer questions automatically.

(A) Delete(B) Ignore(C) Answer(D) Record
69.

A chatbot on Jazz Cash is an example of:

(A) Cloud computing(B) Data visualization(C) AI in business(D) Unsupervised learning
70.

K-Means algorithm is used for _____ items together.

(A) Grouping(B) Deleting(C) Printing(D) Copying
71.

AI is mostly used for:

(A) Handwriting notes(B) Making phone calls(C) Charging phones(D) Smart decision making and automation
72.

In a confusion matrix, True Positive (TP) means:

(A) Model predicted fail but actually pass(B) Model predicted pass and actually pass(C) Model predicted fail and actually fail(D) Model predicted pass but actually fail
73.

True Negative (TN) represents:

(A) Model predicted fail and actually fail(B) Model predicted pass and actually pass(C) Model predicted pass but actually fail(D) Model predicted fail but actually pass
74.

A confusion matrix is mainly used in:

(A) Regression problems only(B) Classification problems(C) Sorting algorithms(D) Database management
75.

What is one goal of Artificial Intelligence (AI)?

(A) To increase computer size(B) To help machines think and act like humans(C) To replace electricity(D) To store files only
76.

Voice assistants like Alexa and Google Assistant use:

(A) Robotics(B) Speech technology(C) Gaming software(D) Hardware tools
77.

Which is an example of AI?

(A) Calculator(B) Google Assistant(C) Keyboard(D) Printer
78.

In factories, AI is mainly used to:

(A) Increase manual work(B) Replace electricity(C) Perform tasks using robots and machines(D) Slow down production
79.

Artificial Intelligence mainly depends on:

(A) Hardware speed(B) Electricity(C) Internet only(D) Data
80.

Recommendation systems are used to:

(A) Delete user data(B) Increase errors(C) Block internet access(D) Suggest items based on user behavior
81.

Self-driving vehicles use AI to:

(A) Paint roads(B) Understand surroundings and make decisions(C) Play music(D) Repair engines
82.

AI applications help people to complete tasks:

(A) Slower and harder(B) Faster and more easily(C) Without electricity(D) Without data
83.

AI systems may give wrong results if the data is:

(A) Large and correct(B) High quality(C) Low quality or biased(D) Organized
84.

Bias in AI happens when:

(A) System is updated daily(B) Data is stored properly(C) System gives unfair results due to training data(D) Internet is fast
85.

Fairness in AI means:

(A) Treating all users equally(B) Treating only selected users well(C) Ignoring poor users(D) Giving random results
86.

AI systems mainly follow:

(A) Human instructions(B) Their own emotions(C) Random rules(D) Internet trends
87.

If an AI system makes a wrong decision, it is usually due to:

(A) Internet speed(B) Design of the system(C) Electricity failure(D) Weather conditions
88.

Studying only

(A) Gaming(B) Study only(C) Business creation(D) Painting
89.

Entrepreneurship helps in:

(A) Job loss(B) Economic growth(C) No change(D) Confusion
90.

Root cause analysis does not focus only on surface problems, that is:

(A) Finding the main reason(B) Ignoring the issue(C) Creating new problems(D) Avoiding decisions
91.

How does adaptability help a business succeed?

(A) By avoiding customers(B) By ignoring technology(C) By responding to change(D) By reducing quality
92.

Resilience helps a business to:

(A) Reduce production(B) Ignore complaints(C) Avoid innovation(D) Recover and grow stronger
93.

Profit should not come from:

(A) Harming customers(B) Honest pricing(C) Safe products(D) Good service
94.

Which is an example of personal data?

(A) Office address(B) Employee ID card number(C) Store opening hours(D) Website theme color
95.

Registration makes a company:

(A) Legal and trustworthy(B) Unregistered and risky(C) Temporary and informal(D) Hidden and private
96.

Businesses must not file taxes late or incorrectly but:

(A) File taxes properly(B) Ignore tax rules(C) Delay records(D) Avoid expenses
97.

What is protected by a patent?

(A) Company logo(B) New invention(C) Sales record(D) Customer list
98.

Which is an example of intellectual property?

(A) Shop furniture(B) Brand logo(C) Raw materials(D) Office rent
99.

Which of the following is a CRM tool?

(A) Photoshop(B) Zoho(C) Google Maps(D) Canva
100.

Which tool is used for Marketing automation

(A) Paint(B) MS Word(C) PowerPoint(D) Mail Chimp
Prepared for educational practice by 786Times.com

TEST TYPE WITH ANSWERS KEY

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A C A C B B B C B B C B D B C A A C B B
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
B C B B C B D B D C B B B B C C B B B A
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
B D C D C B C A B B B C C C B C B B B B
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
B B A B A B C C C B D B B B B B B C D D
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
B B C C A A B C B A C D A B A A B B B D
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