This bundle includes the Pearson BTEC Level 3 National Extended Diploma in Computing – Unit 1: Principles of Computer Science January 2026 exam paper and official mark scheme. It covers key topics such as: Computational thinking and algorithms Pseudocode and flowcharts Programming concepts (variables, functions, iteration) Arrays and sorting algorithms (bubble sort) Validation and data input Procedural vs event-driven programming The exam includes real-world scenarios like billin...

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23 pages

Written in 2025/2026

Grade A+

Johndnali1

This document is the official Pearson BTEC Level 3 National Extended Diploma in Computing – Unit 2: Fundamentals of Computer Systems mark scheme (January 2026). It provides detailed answers, marking guidance, and level-based descriptors used by examiners to assess student responses. The mark scheme includes: Full model answers for all questions in the exam paper Step-by-step marking points for short-answer questions Extended response guidance showing how marks are awarded Level descri...

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23 pages

Written in 2025/2026

Grade A+

Johndnali1

This document is a Pearson BTEC Level 3 National Extended Diploma in Computing – Unit 2: Fundamentals of Computer Systems exam paper (January 2026). It is a full official exam paper designed to assess learners’ understanding of computer systems, networking, data handling, and system architecture. The paper contains four structured questions (80 marks total) covering key areas of the Unit 2 specification, including: Network fundamentals (data packets, protocols such as FTP and HTTPS) S...

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20 pages

Written in 2025/2026

Grade A+

Johndnali1

Dive into the world of SQL with this concise and beginner-friendly summary, designed for anyone—even those without prior IT knowledge. Learn the fundamentals of relational databases, crafting SQL queries, managing tables, and using powerful features like joins, aggregate functions, and subqueries. Packed with illustrations and clear explanations, this guide takes you step-by-step from the basics to advanced concepts such as indexing, transactions, and optimizing queries. Topics include: ...

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10 pages

Written in 2024/2025

MohamedSalman

You will explore the fundamental concepts, principles, and technologies associated with securing digital information in various computer systems. This assignment aims to develop your understanding of IT systems, their components, and the critical role encryption plays in safeguarding sensitive data.

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3 pages

Written in 2021/2022

Grade A+

tinadsouza

Learning aim B: Investigate cryptographic techniques and processes used to protect data B.P4 Explain the principles and uses of cryptography to secure and protect data. B.M2 Analyse how the principles and uses of cryptography impact the security and protection of data.

4.5

(2)

10 pages

Written in 2018/2019

BTECcomputingANDbusiness

C3 Image representation - How bitmap/raster image data is stored and represented in a computer system. - The impact of image resolution on the way images are stored and represented. - The impact of sample/bit depth on the way that image data is stored and images are displayed. - The effects of compression on image data.

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9 pages

Written in 2020/2021

BTECcomputingANDbusiness

Level 3 BTEC national extended diploma - D*D*D* 17/18 units. This is a practical work-related course, with assignments based on real life problems that occur within the world of IT and Business. Year 1 - BTEC Level 3 Extended Diploma in IT (Networking and Systems Support) (180 Credits) Unit 5 – Managing Networks Unit 7 – Organisational Systems Security Unit 14 – Event driven Programming Year 2 - BTEC Level 3 Extended Diploma in IT (Networking and Systems Support) Unit 9 – Computer N...

1.0

(2)

2 pages

Written in 2017/2018

Grade D*D*D*

manis

Data dictionary for the database with data normalised and sorted

3.0

(1)

3 pages

Written in 2016/2017

vicky123