1.3.7 - Binary and Hexadecimal

These flashcards cover the key terminology and concepts related to binary and hexadecimal systems, as noted in the lecture.

Hexadecimal

A base 16 numbering system using digits 0-9 and letters A-F.

Binary

A base 2 numbering system where each digit is a 0 or a 1.

Byte

An 8-bit value, which can represent decimal values from 0 to 255.

IPv4 address

An address expressed as four decimal octets, e.g., 203.0.113.1.

Octet

A group of eight bits, commonly used to represent a byte.

Nibble

Four binary digits, equivalent to one hexadecimal digit.

Decimal

A base 10 numbering system using digits 0-9.

MAC address

A hardware address expressed in hexadecimal notation.

Conversion of 255

In hexadecimal it is expressed as FF (or 0xFF for clarity).

Value of 2 in Binary Positioning

In binary, each position represents the next power of 2, e.g., 1, 2, 4, 8, 16, etc.