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.1	Which of the following industries is using blockchain technology?
	a) Music editing		b) Cooking appliances
	c) Healthcare data sharing		d) Paper book publishing

Q.2	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.3	Which of the following statement(s) is/are incorrect? Statement 1: Tape drives still provide the most cost effective and reliable storage available. But they are slower than other drives and because of their sequential reading process, searching data in them is difficult and slow.  Statement 2: Application software allows users to use the computer to do their work. Application software is designed for a particular operating system. Statement 3: Software that is distributed only in the compiled binary version is called open source software, whereas software that is distributed with the source code is called proprietary software. Statement 4: The RAM speed is an indication of how fast the memory device is able to read or change its contents.
	a) Statement 1, statement 2 and statement 4 are incorrect		b) Statement 2 and statement 3 are incorrect
	c) Statement 2 and statement 4 are incorrect		d) Only statement 3 is incorrect

Q.4	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.5	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.6	Which of the following protocol is used in order to upload an HTML file to a web server?
	a) HTTP		b) SMTP
	c) FTP		d) SIP

Q.7	What is a composite index in a database?
	a) An index on one field		b) An index on primary keys
	c) A type of database file		d) An index on multiple fields

Q.8	In MS Excel, which of the following element(s) of the worksheet can be protected from accidental modification?
	a) Copy cell contents		b) Move cell contents
	c) Add cell contents		d) All of the above

Q.9	Fill in the blank: The attribute used to set the source of content inside an <iframe> is
	a) alt		b) href
	c) ref		d) src

Q.10	Which one of these will bring back the default colour by changing the fill colour of the same object in MS PowerPoint?
	a) Template		b) Patterns
	c) Automatic		d) Fill colours

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