Class 8 Computer Science Model Paper No. 1 for PECTAA Board 2027 is designed to help students prepare for their upcoming examinations according to the new syllabus issued by PECTAA Punjab. This model paper covers Unit 1: Emerging Technologies and Unit 2: Data Communication and Computer Network. Students can use this Class 8 Computer Science model paper to revise important concepts, practise exam-style questions, and improve their preparation. It is a useful resource for students looking for PECTAA Class 8 Computer Science Model Papers 2027, Punjab Board model papers, and Class 8 Computer Science test preparation material.
PUNJAB EDUCATION, CURRICULUM, TRAINING & ASSESSMENT AUTHORITY EXAMINATION 2026-27, GRADE – 8 Computer PART – A (OBJECTIVE TYPE)
Model Paper 1
Part – A: 40 Marks, Part – B: 60 Marks, Total: 100 Marks
Student Name (In Capital Letters)
Roll Number (In Figures)
For Official Use Only
Total Marks MCQs
Signature of Assistant
Signature of Head Examiner
Signature of Dy. Superintendent (CNIC) —————–
Syllabus: Unit 1 – 2
Time: 1 HOUR
Section – I (Multiple Choice Questions)
Total Marks: 40
Instruction: All Question carry equal marks.ہدایات: تمام سوالات کے نمبر یکساں ہیں۔
Question No 1: Multiple Choice Questions (MCQs).کثیر الانتخابی سوالات (MCQs)
1.
application are those which operate simultaneously on several different computers.وہ ایپلیکیشنز جو بیک وقت کئی کمپیوٹرز پر کام کرتی ہیں ______ کہلاتی ہیں:
(a) Embedded ایمبیڈڈ(b) Virtual ورچوئل(c) Distributed ڈسٹری بیوٹڈ(d) None of these کوئی نہیں
Ans: (c) Distributed – distributed applications run on several computers at the same time.
A self-driving car is also known as:خود چلنے والی کار کو کیا کہا جاتا ہے؟
(a) Autonomous vehicle خودکار گاڑی(b) Driverless car ڈرائیور لیس کار(c) Robotic car روبوٹک کار(d) All of these تمام
Ans: (d) All of these
4.
Robots are used in .روبوٹس درج ذیل میں سے کن شعبوں میں استعمال ہوتے ہیں؟
(a) Manufacturing صنعت(b) Mining کان کنی(c) Healthcare صحت(d) All of these سب میں
Ans: (d) All of these
5.
Advancement in the existing technology is called:موجودہ ٹیکنالوجی میں ترقی کو کیا کہا جاتا ہے؟
(a) Emerging technology ابھرتی ہوئی ٹیکنالوجی(b) Best technology بہترین ٹیکنالوجی(c) Blockchain بلاک چین(d) 3G تھری جی
Ans: (a) Emerging technology
6.
AI stands for AI کا مطلب ہے:
(a) Artificial intelligent مصنوعی ذہین(b) Artificial intelligence مصنوعی ذہانت(c) Artificial interaction مصنوعی تعامل(d) None of these ان میں سے کوئی نہیں
Ans: (b) Artificial intelligence
7.
deals with building smart machines.سمارٹ مشینیں تیار کرنے کا شعبہ کہلاتا ہے:
3-D holographic imaging is commonly used in:تھری ڈی ہولوگرافک امیجنگ عموماً استعمال ہوتی ہے:
(a) Meetings اجلاسوں میں(b) Museums عجائب گھروں میں(c) Military mapping فوجی نقشہ سازی میں(d) All of these ان سب میں
Ans: (d) All of these
11.
The internet is a very famous example of a :انٹرنیٹ ______ کی مثال ہے۔
(a) Distributed system ڈسٹری بیوٹڈ سسٹم(b) AI آرٹیفیشل انٹیلیجنس(c) VR ورچوئل ریالٹی(d) AR آگمینٹڈ ریالٹی
Ans: (a) Distributed system
12.
The AR industries is anticipated to be valued more than 18 billion in .آگمینٹڈ ریالٹی کی صنعت کی مالیت 18 ارب سے زائد ہونے کی توقع ہے:
(a) 2021(b) 2023(c) 2024(d) 2025
Ans: (b) 2023(figure taken from the textbook projection – please verify with your book)
13.
Google translator is an example of گوگل ٹرانسلیٹر کی مثال ہے:
(a) VR ورچوئل ریالٹی(b) CAT کمپیوٹر اسسٹڈ ٹرانسلیشن(c) AI آرٹیفیشل انٹیلیجنس(d) AR آگمینٹڈ ریالٹی
Ans: (c) AI – machine translation uses artificial intelligence.
14.
is used to refer to the fifth generation of cellular technology:سیلولر ٹیکنالوجی کی پانچویں نسل کو ظاہر کرنے کے لیے استعمال ہوتا ہے:
(a) 5G(b) AI(c) CAT(d) VR
Ans: (a) 5G
15.
The network which work in a small geographical area is called:وہ نیٹ ورک جو ایک چھوٹے جغرافیائی علاقے میں کام کرتا ہے اسے ______ کہا جاتا ہے۔
(a) LAN(b) WAN(c) MAN(d) All of these تمام
Ans: (a) LAN (Local Area Network).
16.
In the network, computers are not physically connected.جس نیٹ ورک میں کمپیوٹرز آپس میں جسمانی طور پر منسلک نہ ہوں، وہ کہلاتا ہے:
(a) LAN(b) WAN(c) VPN(d) None of these کوئی نہیں
Ans: (b) WAN – WAN computers are linked through telephone lines or satellites rather than a single cable. (check with your textbook)
17.
The branch of engineering that is used to manufacture intelligent machines to assist human in different tasks is called :انجینئرنگ کی وہ شاخ جسے مختلف کاموں میں انسانوں کی مدد کے لیے ذہین مشینیں بنانے میں استعمال کیا جاتا ہے، کہلاتی ہے:
(a) 3G تھری جی(b) AI مصنوعی ذہانت(c) Imaging 3D تھری ڈی امیجنگ(d) Robotics روبوٹکس
Ans: (d) Robotics
18.
The Czech word “Robota” is the source of the English term :چیک زبان کا لفظ Robota انگریزی اصطلاح کا ماخذ ہے:
(a) robot روبوٹ(b) robotics روبوٹکس(c) AI مصنوعی ذہانت(d) 5G فائیو جی
Ans: (a) robot
19.
It establishes an optical illusion of depth by capturing an item in three dimensions.یہ کسی شے کو تین جہتوں (3D) میں محفوظ کر کے گہرائی کا بصری تاثر پیدا کرتا ہے:
(a) 2D Imaging ٹو ڈی امیجنگ(b) 3D Imaging تھری ڈی امیجنگ(c) Holographic Imaging ہولوگرافک امیجنگ(d) All of these تمام
Ans: (b) 3D Imaging
20.
Virtual reality is produced by a headset.ورچوئل ریالٹی ______ ہیڈسیٹ کی مدد سے حاصل کی جاتی ہے۔
(a) VR(b) AI(c) AR(d) CR
Ans: (a) VR
21.
The common types of physical media:فزیکل میڈیا کی عام اقسام ہیں:
(a) Twisted pair cable ٹوسٹڈ پیئر کیبل(b) Coaxial cable کوایکسیئل کیبل(c) Fiber optic cable فائبر آپٹک کیبل(d) All of these تمام
Ans: (d) All of these
22.
A type of physical media that is commonly used;فزیکل میڈیا کی عموماً استعمال ہونے والی قسم ہے:
(a) Twisted pair cable ٹوسٹڈ پیئر کیبل(b) Coaxial cable کوایکسیئل کیبل(c) Fiber optic cable فائبر آپٹک کیبل(d) None of these کوئی نہیں
Ans: (a) Twisted pair cable – the most widely used. (options b and c are also physical media; this item may be keyed differently in your book)
23.
The electromagnetic waves that travel through open space in all direction is called وہ برقناطیسی لہریں جو کھلی فضا میں ہر سمت سفر کرتی ہیں، کہلاتی ہیں:
(a) Microwaves مائیکروویوز(b) Radio waves ریڈیو ویوز(c) Infrared waves انفرا ریڈ ویوز(d) All of these تمام
Ans: (b) Radio waves – they spread in all directions (omnidirectional).
24.
Example of radio waves:ریڈیو ویوز کی مثال ہے:
(a) FM Radio ایف ایم ریڈیو(b) Television ٹیلی ویژن(c) Cordless phones کارڈلیس فونز(d) All of these تمام
is secured connection over the internet.انٹرنیٹ پر محفوظ کنکشن کہلاتا ہے:
(a) LAN(b) WAN(c) VPN(d) None of these کوئی نہیں
Ans: (c) VPN (Virtual Private Network).
26.
PSTN (public switched telephone networks) or satellite links are devices used for WAN.PSTN یا سیٹلائٹ لنک WAN کے لیے استعمال ہونے والے ______ کے آلات ہیں:
(a) Deleting حذف کرنے کے لیے(b) Storing ذخیرہ کرنے کے لیے(c) Communication رابطے کے لیے(d) All of these سب
Ans: (c) Communication
27.
Wi-Fi stands for:Wi-Fi کا مطلب ہے:
(a) Wired fidelity(b) Wired function(c) Wireless fidelity(d) None of these کوئی نہیں
Ans: (c) Wireless fidelity
28.
Which of the following is not the component of data communication system?درج ذیل میں سے کون سا ڈیٹا کمیونیکیشن سسٹم کا جزو نہیں؟
All four options are normally listed as components of data communication (message, sender, receiver, transmission medium, protocol), so no option is clearly “not a component”. This item looks flawed – follow your textbook / official key. If your book lists only four components without protocols, the answer is (d).
29.
A computer or device that sends a message is called .وہ کمپیوٹر جو پیغام بھیجتا ہے کہلاتا ہے:
Ans: (d) Bluetooth(infrared is also short-range – check with your textbook)
38.
communication system are necessary for mobile, television transmission and other wireless service.موبائل اور ٹی وی نشریات کے لیے لازمی کمیونیکیشن نظام ہے:
(a) Satellite سیٹلائٹ(b) Cellular سیلولر(c) GPS جی پی ایس(d) VPN وی پی این
Ans: (a) Satellite
39.
In GPS was first made available in automobile:GPS کاروں میں پہلی مرتبہ ______ میں استعمال ہوا۔
(a) 1993(b) 1944(c) 1995(d) 1996
Ans: (c) 1995(check with your textbook)
40.
The word in computing means geographic distribution.کمپیوٹنگ میں لفظ ______ سے مراد جغرافیائی تقسیم ہے۔
(a) Edge ایج(b) Embedded ایمبیڈڈ(c) Wi-Fi وائی فائی(d) None of these کوئی نہیں
Ans: (d) None of these – the word is “distributed”, which is not listed.
Answer the following questions.مندرجہ ذیل سوالات کے جوابات دیں۔
41.
(a) What is meant by augmented reality? Write its uses. (5)آگمینٹڈ ریالٹی سے کیا مراد ہے؟ اس کے استعمالات لکھیں۔
Augmented reality (AR) is a technology that adds computer-generated images, text, sound or 3D objects on top of the real-world view seen through a phone camera, tablet or smart glasses. The real world stays visible and is enhanced.
Uses:
Education – 3D models of the human body, planets, etc.
Games and entertainment (location-based games, filters).
Shopping – trying furniture, clothes or glasses virtually.
Medicine – helping surgeons and students.
Navigation, maintenance and repair instructions, military and marketing.
(b) Which device is used to experience virtual reality? Write the uses of virtual reality. (5)ورچوئل ریالٹی کو استعمال کرنے کے لیے کس ڈیوائس کو استعمال کیا جاتا ہے؟ ورچوئل ریالٹی کے استعمالات لکھیں۔
Device: a VR headset (head-mounted display) with sensors; hand controllers or gloves may also be used. It shuts out the real world and shows a computer-created 3D environment.
Uses:
Gaming and entertainment.
Training of pilots, drivers, doctors and soldiers in safe simulations.
Education – virtual field trips and labs.
Medicine – therapy and surgery practice.
Architecture, real-estate walkthroughs and tourism.
(c) What is the meaning of robot? (2)روبوٹ سے کیا مراد ہے؟
A robot is a machine, controlled by a computer program, that can perform tasks automatically, often replacing or assisting humans. The word comes from the Czech word “robota” meaning forced work.
42.
(a) Write some applications of AI. (5)مصنوعی ذہانت (AI) کی کچھ ایپلیکیشنز لکھیں۔
Chatbots and virtual assistants that answer questions.
Language translation and speech recognition.
Self-driving cars and drones.
Healthcare – disease detection from scans.
Face recognition and security systems.
Recommendations on video and shopping sites, spam filtering, games.
(b) What makes 5G better than previous ones? (5)5G ٹیکنالوجی پہلے سے موجود ٹیکنالوجیز سے کیسے بہتر ہے؟
Much higher speed – faster downloads and streaming.
Very low latency (delay) – suitable for online gaming, remote surgery, self-driving cars.
More devices can connect at the same time (Internet of Things).
Greater capacity and reliability in crowded places.
Supports new technologies such as AR/VR and smart cities.
(c) Give an example of self driving cars? (2)خود کار کاروں کی ایک مثال دیں۔
Examples: Tesla cars with Autopilot / Full Self-Driving features and Waymo’s driverless taxis. They use radar, GPS, cameras and AI to drive without human control.
43.
(a) What is 3D Imaging and where is it used? (5)3D امیجنگ کیا ہوتی ہے اور یہ کہاں استعمال ہوتی ہے؟
3D imaging is a technique that captures or creates an object with width, height and depth, giving an optical illusion of depth to the image.
Used in: medicine (CT and MRI scans, planning surgery), movies and video games, architecture and engineering design, manufacturing and 3D printing, security scanning, education and museums (3D holographic displays), military mapping.
(b) What is fiber optic cable? Explain its advantages. (5)فائبر آپٹک کیبل کیا ہوتی ہے؟ اس کے فوائد کی وضاحت کریں۔
Fiber optic cable is a cable made of very thin strands of glass or plastic (core, cladding and protective jacket) that carry data as pulses of light.
Fiber optic cable (cross-section)
Advantages:
Very high speed and bandwidth.
Data travels long distances with very little signal loss.
No electromagnetic interference.
Secure – difficult to tap.
Thin, light and does not corrode.
(c) What is the use of internet? (2)انٹرنیٹ کا استعمال کیا ہے؟
The internet is used for communication (email, chat, video calls), finding information and research, online education, shopping and banking, entertainment and social media.
44.
(a) Differentiate between LAN and WAN. (5)LAN اور WAN میں فرق بیان کریں۔
LAN (Local Area Network)
WAN (Wide Area Network)
Covers a small area (room, building, campus).
Covers a large area (cities, countries, the world).
High data transfer speed.
Comparatively lower speed.
Computers are connected by cables or Wi-Fi.
Connected through PSTN, satellite or leased lines.
Owned by one person or organization.
Not owned by one organization.
Low cost to set up and maintain.
Expensive to set up and maintain.
Example: school computer lab.
Example: the internet.
A LAN (left) and LANs joined together as a WAN (right)
(b) What is meant by machine learning? (5)مشین لرننگ سے کیا مراد ہے؟
Machine learning (ML) is a branch of artificial intelligence in which computers learn from data and past experience and improve their performance without being explicitly programmed for every task.
Main types: supervised learning, unsupervised learning and reinforcement learning. Examples: spam email filters, product recommendations, speech and face recognition, self-driving cars.
(c) Define data communication. (2)ڈیٹا کمیونیکیشن کی تعریف بیان کریں۔
Data communication is the exchange of data (messages) between two or more devices through a transmission medium. Its components are the sender, receiver, message, transmission medium and protocols.
Components of data communication
45.
(a) Write the advantages and disadvantages of coaxial cable. (5)کوایکسیئل کیبل کے فوائد اور نقصانات لکھیں۔
Coaxial cable (cross-section)
Advantages:
Higher bandwidth and speed than twisted pair.
Shielding gives better protection from interference.
Can carry signals over longer distances than twisted pair.
Durable and widely used for cable TV.
Disadvantages:
More expensive than twisted pair cable.
Thicker and less flexible, so harder to install.
Signal weakens over long distances.
Slower and less secure than fiber optic cable.
(b) What are the characteristics of a twisted pair cable? (5)ٹوسٹڈ پیئر کیبل کی خصوصیات بیان کریں۔
Twisted pair: two insulated copper wires twisted together
Made of two insulated copper wires twisted around each other; twisting reduces interference and crosstalk.
Types: UTP (unshielded) and STP (shielded).
Low cost, light and flexible, easy to install.
Medium data speed and limited distance (about 100 m per segment).
UTP is affected by electrical interference.
Commonly used in telephone lines and LANs.
(c) Who is receiver? (2)وصول کنندہ کون ہوتا ہے؟
The receiver is the computer or device (such as a computer, mobile phone or television) that receives the message sent by the sender.
