CREST Cyber Olympiad Class 9 Sample Paper

Give your child a competitive edge in the CREST Cyber Olympiad (CCO) with specially prepared sample papers for Grade 9. These free PDF downloads, complete with step-by-step solutions, help students master complex cyber and computer science topics aligned with the Olympiad syllabus.

Why Practise CREST Cyber Olympiad Sample Papers for Grade 9?

• Understand the structure and difficulty level of the actual exam.
• Develop speed and precision through focused practice.
• Identify knowledge gaps and target key areas for improvement.

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Syllabus:

Section 1: Computer & IT

1. Advanced Networking & Internet Concepts
   • HTTP vs HTTPS – difference in security and encryption
   • Structure of a URL – protocol://domain/path
   • MAC Address vs IP Address – purpose and format
   • DNS (Domain Name System) – role in resolving domain names
   • Client-Server Model – real-life application (browser-server interaction)
   • HTTP Status Codes – 200 (OK), 404 (Not Found), 403 (Forbidden), 500 (Server Error)
2. Algorithms and Flowcharts
   • Applications of Algorithms and Flowcharts: software design, ATM, login process
   • Algorithm Design Principles: Correctness, Efficiency, Clarity
   • Advanced Flowcharts: If-else structures, Nested decisions
   • Loops in Algorithms and Flowcharts: While loops, For loops
   • Printing numbers from 1 to 10
   • Real-Life Applications: Software designing, everyday technology
3. Data Representation & Memory
   • Binary, Decimal, Hexadecimal Systems – conversions and patterns
   • Bit, Byte, Nibble, Word – units of data and memory
   • ASCII vs Unicode – character encoding differences
   • Data Compression – purpose and formats (ZIP, JPEG, MP3)
   • Storage Units & Order – KB, MB, GB, TB, PB
4. Latest Developments in the Field of IT
   • Blockchain – decentralisation and transparency
   • Green Computing – energy-efficient devices, e-waste reduction
   • Robotics – applications in industry, healthcare, and space
5. MS Office
   • File Handling and Export: saving in different formats, print options, PDF export
   • Data Integration: linking Excel charts in Word, mail merge, embedding files
   • Cloud and Collaboration Features: OneDrive, sharing, comments, real-time editing
   • Security and Protection Features: password protection, read-only mode, restricting editing
6. Multimedia & Design Software
   • Basics of animation: traditional vs digital
   • Types of animation: 2D, 3D, motion graphics
   • Frames, keyframes, timeline
   • Interface overview and tools
   • Creating a new project: stage setup, canvas size, resolution
   • Brush, pencil, and shape tools
   • Colour theory basics: fills, strokes, gradients
   • Layers and workspace organization
   • Simple frame-by-frame animations (e.g., bouncing ball)
   • Adjusting frame rate and previewing animation
   • Introduction to motion tweens
   • Text tools and formatting
   • Adding basic effects: glow, blur
   • Exporting as GIF or MP4
7. Operating System Functions
   • Types of OS: Real-time, Distributed, Multi-user, Embedded, Mobile OS
   • Functions of an OS: process scheduling, memory management, file system management, device control
   • System vs Application Software – OS as interface
   • User Interface Types: GUI vs CLI
   • Booting Process – cold boot vs warm boot; BIOS and POST
   • Task Management: multitasking, foreground vs background processes
   • Access Control and Permissions: Read/Write/Execute
   • System Utilities: disk cleanup, task manager, defragmentation
   • Virtual Memory – basic concept and purpose
8. Python Programming (Text-Based Coding)
   • Control structures: if-else, loops (for, while)
   • Debugging and writing clean code
   • Functions
   • Syntax, indentation
   • Data types: int, float, string, Boolean
   • Simple code output prediction
   • IDE
9. Web Development
   • Use of <iframe> for embedding maps, videos, websites
   • Embedding multimedia: <video> and <audio>
   • HTML Form validation: required, minlength, pattern, type=email/number
   • Use of placeholder, autocomplete, readonly, disabled attributes
   • Introduction to CSS Box Model: content, padding, border, margin
   • Inline vs internal vs external CSS – use cases and differences
10. Working with Databases using MS Access
    • MS Access: Database, Tables, Fields, Primary Key, Simple Queries, Forms, Reports
    • Creating & Saving a Database: define structure, data types, enter/save data
    • Editing a Database: add, delete, modify records, global editing
    • Modifying Database Structure: insert, delete, modify fields
    • Sorting & Indexing: sort by one/multiple fields, indexing, need for re-indexing

Section 2: Achievers Section

• Higher Order Thinking Questions – Syllabus as per Section 1.
• Questions are based on Windows 11 and MS Office 2016.

Sample Paper Previous Year Paper Marking Scheme

Sample Questions

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Q.10

Q.1	In tunnel mode, which of the following does IPsec protects?
	a) The entire IP packet		b) IP payload
	c) IP footer		d) IP data

Q.2	Which of the following is correct to change font face in Web Page using HTML?
	a) <font = "font name"> … </font>		b) <font name = "font name"> …</font>
	c) <font face = "font name"> … </font>		d) Font Face cannot be changed using HTML

Q.3	In a For loop to print numbers from 1 to 10, what should the condition be?
	a) i> 10		b) i <= 10
	c) i == 10		d) i <0

Q.4	Which of the following is NOT a good clean code practice in Python?
	a) Using descriptive variable names		b) Avoiding magic numbers
	c) Proper indentation		d) Avoiding comments

Q.5	Which number system is usually followed in a typical 32-bit computer?
	a) Binary		b) Decimal
	c) Hexadecimal		d) Octal

Q.6	Fill in the blank: In context to Operating System, _______ is a feature for scheduling and multi-programming to provide an economical interactive system of two or more users.
	a) Time sharing		b) Multisharing
	c) Time tracing		d) Multiprocessing

Q.7	The ability to combine name ad addresses with a standard document is called _________.
	a) Document formatting		b) Database management
	c) Mail merge		d) Form letters

Q.8	Which statement best defines a mobile OS?
	a) An OS designed only for desktops and workstations.		b) An OS made for embedded systems like washing machines.
	c) An OS optimised for mobile devices with touch interface and limited resources.		d) An OS used for real-time industrial automation.

Q.9	Which of the following devices would be considered energy-efficient?
	a) CRT monitors		b) LED screens with automatic brightness
	c) Devices without power-saving options		d) Desktop computers with always-on mode

Q.10	What should be the signal strength when using a translator to encode and decode a signal?
	a) High Quality		b) Lower Quality
	c) Same Quality		d) Bad Quality

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