Make 9th Class Computer Science Paper of your own choice

MCQs 1 Byte equals: Brain of Computer: Volatile Memory: Physical parts: Output Device: ALU stands for: Weather forecasting uses: Set of instructions: Not a system component: Temporary CPU storage: 1 KB equals: Example of Input Device: Firmware is stored in: Mainframe supports: Data Bus carries:

Short Questions Define a computer system and list its three main components. Differentiate between Data and Information with a real-life example. What is the function of the Arithmetic Logic Unit (ALU)? Define softcopy output and give one example of a device. What is meant by hardcopy output and which device produces it? Who is known as the father of the computer and why? Explain the concept of the Von Neumann Bottleneck briefly. Define volatile memory and state which memory type is volatile. What is the primary purpose of Cache Memory in the CPU? Define System Bus and list its three types. What is a Microcomputer and where is it commonly used? Define a Hybrid Computer and give an example of its use. What is Firmware and where is it permanently stored? Define Input Devices and name two common examples. What is Secondary Storage and why is it necessary? Define the Control Unit and describe its main responsibility. What is a Mainframe Computer and what is it used for? Define Supercomputer and mention its processing capability. What is the function of Registers inside a processor? Define a Byte and state how many bits it consists of. What is the role of Feedback in a control system? Define System Boundary in relation to its environment. What is Application Software and give one example. Define Processing in the context of computer operations. What is an Output Device and list two examples.

Long Questions Explain Von Neumann Architecture in detail. Classify computers by size and power. Explain System Buses and their types. Explain CPU Components and functions. Differentiate Analog vs Digital Computers. Explain the impact of computers on society. Describe the different generations of computers. Explain the role of RAM and ROM in memory. Discuss the function of Input/Output devices. What is System Software? Explain its types.

MCQs Base of Binary is: Decimal of (10)2: ASCII code is ___ bits. Symbol A in Hex equals: 1024 KB equals: Hex uses digits: Computer uses: MSB stands for: Unicode supports: 1+1 Binary:

Short Questions Define Number System and briefly explain its purpose. Convert the decimal number 15 into binary number system. What is ASCII code and how many characters does it represent? Define Hexadecimal System and state its base. Convert the binary number (101)2 to decimal system. What is the base of the Octal System and its digits? Define MSB (Most Significant Bit) in a binary number. What is Unicode and why is it preferred over ASCII? Convert the Hexadecimal number (F)16 to binary. Why is the Binary system used in digital computers? Define BCD Code and give a short example. What is the 2's Complement method used for? Convert 10 Decimal to Hexadecimal number system. Define LSB (Least Significant Bit) in binary representation. What is meant by a Positional Number System? Calculate the decimal value of 2 raised to power 5. What is the difference between a Bit and a Byte? Define Volatile Storage and provide one example. Convert binary (1100)2 to Hexadecimal system. How is text data represented inside a computer? Perform Binary Addition of 101 and 010. Perform Binary Subtraction of 110 minus 100. Define Base or Radix of a number system. How many bits are contained in 1 Kilobyte of data? What is the decimal value of symbol A in Hexadecimal?

Long Questions Decimal to Binary conversion steps. ASCII vs Unicode standards. Binary Arithmetic (Add/Sub). Hex to Binary conversion. Data Representation methods. Explain 1s and 2s Complement. Discuss Storage Units (Bit to TB). Convert (ABC)16 to Decimal. Explain Non-positional systems. Importance of Hexadecimal system.

MCQs A+1 equals: NOT inputs: A.B expression: Universal Gate: Inverter is: A+A' equals: OR output 0 when: Boolean Algebra deals: XOR output 1 when: Simplest A.A:

Short Questions Define Logic Gate and name the three basic gates. Draw the standard symbol of an AND Gate. Write down the Truth Table for an OR Gate. Define Boolean Algebra and its purpose. What is the function of a NOT Gate or Inverter? Define Truth Table in digital logic. What is a NAND Gate and why is it important? State De Morgan's First Law of Boolean Algebra. Define XOR (Exclusive OR) Gate. What is a Proposition in the context of logic? Determine the output of 1 AND 0. Define Universal Gate and give an example. State the Distributive Law of Boolean Algebra. Define an Inverter in digital circuits. What is the output of 0 OR 0 operation? What is a NOR Gate and draw its symbol? Simplify the Boolean expression A + A. Define Logic Circuit and its use. State the Commutative Law for addition. What is a Minterm in Boolean functions? Find the dual of the expression A + B. Define XNOR Gate and its output condition. Simplify the Boolean expression A . 1. What is the use of Karnaugh Map (K-Map)? What is the output of NOT 1?

Long Questions Basic Gates. De Morgan Laws. NAND Universal Gate. K-Map Simplification. Boolean Laws. Logic circuit for F=(A+B).C XOR vs XNOR Gates. Truth Table to Expression. Associative Law Proof. Simplify using Laws.

MCQs First step troubleshooting: Safe mode loads: Task Manager key: POST means: Revert settings: Beep codes show: Overheating check: Blue Screen: Speed up PC: Device Manager:

Short Questions Define Troubleshooting in the context of computers. What is POST (Power On Self Test)? Why does a computer overheat and shut down? Define Safe Mode in Windows. What causes the Blue Screen of Death (BSOD)? Why is checking cables the first step in troubleshooting? How can you close a non-responsive program? List two symptoms of RAM failure. What is meant by a Driver Conflict? What is the main purpose of Task Manager? Why is Antivirus software essential for a PC? What is the function of System Restore? Suggest one fix for the "No Sound" issue. Define Diagnosis in computer maintenance. What do Beep codes indicate during startup? How to troubleshoot a printer that is not printing? Why does a computer slow down over time? Name the tool used to check for disk errors. What is the purpose of Windows Update? What is a peripheral device error? How do you identify a Hard Disk failure? What should you do if the Monitor screen is black? How to fix a keyboard that is not typing? What is the effect of dust accumulation on a PC? How to resolve frequent Wi-Fi disconnection?

Long Questions Troubleshooting Steps. Hardware Problems. Fix Slow Computer. Virus Removal. Internet Issues. Replace RAM procedure. Backup importance. Device Manager usage. Overheating causes. No Display troubleshooting.

MCQs Core of OS: Windows is: Assembly Translator: Utility Example: Copy Key: Free Software: CLI means: Restart PC: Not an OS: File Managing:

Short Questions Define Operating System (OS) and give an example. What is Utility Software and give one example? Define Compiler and its function. What is a Device Driver and why is it needed? Define Multitasking in an Operating System. State one difference between CLI and GUI. What is Open Source Software? Define Interpreter in programming. What is the role of a Linker? Define Shareware software. What is meant by the Booting process? Define Kernel in an Operating System. What is a File Manager used for? Define Assembler and its use. What is Freeware software? Define Batch Processing Operating System. What is a Real-time Operating System? What is the main use of Spreadsheet software? Define Word Processor and name one. What is the purpose of Disk Cleanup utility? Define Licensed Software. Name two popular Operating Systems. What is meant by User Interface? What is the role of the Loader in OS? Differentiate between Cold Boot and Warm Boot.

Long Questions OS Functions. Types of OS. Language Translators. Booting Process. System vs Application. GUI Features. File Management. Installation Process. Utility Programs. Multi-prog vs Tasking.

MCQs Net of Nets: Connecting Device: Web Protocol: Central Hub Topo: LAN means: Unique Address: Physical Layout: Fastest Net: Bluetooth is: Bus Terminators:

Short Questions Define Computer Network and its purpose. What is a Router and what does it do? Define Network Topology. What is a Local Area Network (LAN)? Define Protocol in networking. What is an IP Address? Define Star Topology. What is a Server in a network? Define Client in a network. What is a Wide Area Network (WAN)? Define Data Communication. What is FTP (File Transfer Protocol) used for? Define Ring Topology. What is a Switch in networking? Define Mesh Topology. What is HTTP? Define Modem and its function. What does TCP/IP stand for? Define Bus Topology. What is DNS (Domain Name System)? Define Metropolitan Area Network (MAN). What is a Peer-to-Peer network model? Define Packet Switching. What is Email? Define Web Browser and give an example.

Long Questions Topologies. Network Types. TCP/IP Model. Comm Components. Star vs Bus. Client-Server. Network Devices. IP Addressing. Email Protocols. Network Security.

MCQs Visual Algo: Diamond: Step Solution: Manual Check: Oval: Decomposition: Fake Code: Rectangle: Logic Error: Finding similarities:

Short Questions Define Computational Thinking. What is Decomposition in problem solving? Define Algorithm and state its use. What is a Flowchart? Define Abstraction in computing. What is Pattern Recognition? Define Pseudocode. Draw the symbol for Start/Stop in a flowchart. What is a Dry Run of an algorithm? Define Input/Output symbol in a flowchart. Why do we use Flowcharts? Define Decision symbol in a flowchart. What is a Bug in a computer program? Define Debugging. List the steps to solve a problem. What is Efficiency in an algorithm? Define Loop in programming. What is a Logical Error? Define Syntax Error with an example. What is a Runtime Error? Define Test Data. What is the importance of an Algorithm? What is a Connector used for in a flowchart? Define Process symbol in a flowchart. What is the purpose of Flow Lines?

Long Questions Factorial Algo. Flowchart Symbols. Algo vs Flowchart. Error Types. Problem Solving. Even/Odd Algo. Largest Number Flowchart. Testing Importance. Circle Area Algo. Pattern Recognition Role.

MCQs HTML means: Img Tag: Big Heading: Line Break: CSS means: Small Heading: Bullets List: Bold Tag: Link Tag: Extension:

Short Questions Define HTML (HyperText Markup Language). What is a Tag in HTML? Define CSS (Cascading Style Sheets). What is the basic structure of an HTML document? What is the use of the Head Tag? Define Body Tag in HTML. What is a Hyperlink? Define Anchor Tag. What is the Image Tag used for? Define List Tag. State the difference between Ordered and Unordered List. What is the Table Tag used for? Define JavaScript briefly. What is the purpose of a Web Page? What is a Website? Define Web Hosting. What is a Domain Name? Define HTML Attributes. What is a Heading Tag? Define Paragraph Tag. What is Styling in web development? Differentiate between Internal and External CSS. Define Script Tag. What is Validation in forms? Define Comment in HTML code.

Long Questions Basic Tags. Tables. HTML vs CSS. Lists. Images and Links. Website Structure. HTML Forms. JavaScript Role. CSS Box Model. Backgrounds.

MCQs Processed Data: Pie Shape: Frequent Value: Big Data V: Visual Data: Raw Facts: Middle Value: Vertical Bars: Analysis Tool: Hidden Patterns:

Short Questions Define Data Science. What is Big Data? Define Data Visualization. What is Data Analysis? Define Dataset. Differentiate between Qualitative and Quantitative Data. What is Statistics? Define Mean in statistics. What is Median? Define Mode. What is a Chart? Define Graph. What is a Pie Chart? Define Bar Chart. What is Data Mining? Define Machine Learning. What is a Pattern in data? Define Prediction in data science. What is Data Cleaning? Define Raw Data. What is Information? Define Database. What is a Spreadsheet? Define Accuracy in data. What is an Outlier in a dataset?

Long Questions Big Data 3Vs. Visualization Imp. Analysis Process. Chart Types. DS Life Cycle. Data vs Info. Mean, Median, Mode. DS Applications. Data Mining. Machine Learning.

MCQs AI means: IoT means: Cloud Ex: Robot Use: VR means: Self-driving: Bitcoin: Bio Traits: 3D Print: Siri:

Short Questions Define Emerging Technologies. What is Artificial Intelligence (AI)? Define Robotics. What is Internet of Things (IoT)? Define Cloud Computing. What is 5G Technology? Define Blockchain. What is Virtual Reality (VR)? Define Augmented Reality (AR). What is 3D Printing? Define Drone technology. What is Biometrics? Define Nanotechnology. What is Big Data Analytics? Define Cybersecurity. What is Automation? Define Smart Home. What is an Autonomous Car? Define Virtual Assistant. What is Machine Learning? Define Cryptocurrency. What is Holography? Define Metaverse. What is Edge Computing? Define Smart City.

Long Questions AI Apps. IoT Impact. Cloud Models. Robotics Uses. 5G Features. AR vs VR. Blockchain Uses. 3D Printing. Cybersecurity Role. Autonomous Vehicles.

MCQs Illegal Copy: Stealing Ideas: Secret Word: Malware: Trademark: Unwanted Email: Software Lock: Biometrics: Sabotage: Cyber Crime:

Short Questions Define Cyber Ethics. What is Software Piracy? Define Phishing. Who is a Hacker? Define Copyright. What is Plagiarism? Define Privacy in computing. What is Softlifting? Define Patent. What is a Trademark? Define Cyber Bullying. What is Identity Theft? Define Spamming. What is a Logic Bomb? Define Adware. What is Spyware? Define Encryption. Why is a Password used? Define Biometrics security. What is Sabotage in computing? Define Hacking. What is a DoS (Denial of Service) attack? Define Digital Signature. What is Computer Law? Define Software License.

Long Questions Cyber Crimes. IP Rights. Authentication. Ethics Impact. Viruses. Piracy Types. Data Protection. Cyber Laws PK. Privacy Importance. Phishing Prevention.

MCQs Starting Business: Starter Person: SEO: E-commerce: B2B: Freelance: ROI: Success Key: Target Audience: SDGs:

Short Questions Define Entrepreneurship. Who is an Entrepreneur? What is a Startup? Define E-commerce. Digital Marketing. Innovation. Risk Taking. Market Research. Business Plan. Crowdfunding. Freelancing. Social Media Marketing. SEO. ROI. B2B. B2C. Design Thinking. Problem Solving. Customer Feedback. Brand Awareness. Cloud in Biz. Lead Generation. Target Audience. Sustainable Biz. SDGs.

Long Questions Entrepreneurship Importance. Starting Steps. Digital Marketing Role. Challenges. Business Plan Components. E-commerce Benefits. Design Thinking. Social Media Impact. Entrepreneur Types. Biz & SDGs.