Data Representation

A learning unit that covers understanding and converting between binary and hexadecimal numbers, essential for digital systems and programming.

• Binary Numbers
• Sign & Magnitude
• Two's Complement
• Binary Addition
• Arithmetic Binary Shifts
• Logical Binary Shifts
• Binary Overflow & Underflow
• Hexadecimal

Understanding how data is stored and interpreted in different formats, such as binary and hexadecimal, to facilitate efficient data processing and communication.

• ASCII & Unicode
• How microphones work
• B&W Images
• Grayscale Images
• Color Images
• Binary & Denary Prefixes
• Calculating file sizes
• Calculating Bit Depths
• Data Compression
• Sound Representation

Learn how to secure data through encryption techniques, protecting information from unauthorized access and ensuring privacy in digital communications.

• Symmetric & Asymmetric Encryption

Understanding and ensuring the accuracy and reliability of data through techniques like error detection and correction.

• Error Checking
• Check digits
• Checksums and echo checks
• Automatic Repeat Query