Exam Essentials
Understand binary data concepts. Understand and explain how binary data is stored and translated into human-readable text and numbers. Be able to interpret a binary byte into its hexadecimal format. Understand hexadecimal representation and be able to convert between binary, hexadecimal, and decimal formats. Be able to interpret a binary byte into its integer or ASCII value.
Know and understand the ASCII and Unicode character sets. Explain what the 7-bit low-bit ASCII character set is. Explain what the 8-bit high-bit extended ASCII character set is and how it evolved. Explain how a given hex value could be a character in one context but an integer in another context. Understand and explain the difference between 09h (decimal ...