Unit 1

Data representation

Number systems

Binary, denary and hexadecimal conversions

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Uses of hexadecimal

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Binary addition and overflow

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Logical binary shifts

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Two's complement

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Text, sound and images

Character sets: ASCII and Unicode

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Representing sound

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Representing images

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Data storage and compression

Data storage units and file size calculations

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Data compression

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Unit 2

Data transmission

Types and methods of data transmission

Packets and packet switching

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Methods of data transmission

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The USB interface

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Methods of error detection

Parity, checksum and echo check

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Check digits and ARQ

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Encryption

Encryption

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Unit 3

Hardware

Computer architecture

The CPU, Von Neumann architecture and the FDE cycle

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Cores, cache and clock speed

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Instruction sets and embedded systems

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Input and output devices

Input devices

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Output devices

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Sensors

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Data storage

Primary storage: RAM and ROM

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Secondary storage: magnetic, optical and solid-state

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Virtual memory and cloud storage

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Network hardware

Network hardware: NIC, MAC and IP addresses, routers

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Unit 4

Software

Types of software and interrupts

System software, application software and operating systems

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Firmware and interrupts

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Programming languages, translators and IDEs

High-level languages, low-level languages and assembly language

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Compilers and interpreters

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Integrated development environments (IDEs)

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Unit 5

The internet and its uses

The internet and the world wide web

The internet, the world wide web, URLs and HTTP(S)

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Web browsers, locating web pages and cookies

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Digital currency

Digital currency and blockchain

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Cyber security

Cyber security threats

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Keeping data safe: security solutions

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Unit 6

Automated and emerging technologies

Automated systems

Automated systems

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Robotics

Robotics

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Artificial intelligence

Artificial intelligence

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