From f917791d4569cdb04dd5f4a4816b3d57c1a1e378 Mon Sep 17 00:00:00 2001 From: thomasabishop Date: Tue, 6 Aug 2024 17:00:03 +0100 Subject: [PATCH] Autosave: 2024-08-06 17:00:03 --- .zk/notebook.db | Bin 4153344 -> 4153344 bytes zk/Hexadecimal_number_system.md | 1 - zk/Link_Layer_of_Internet_Protocol.md | 2 +- zk/MAC_addresses.md | 8 ++++---- zk/Network_card.md | 24 ++++++++++++++++++++++++ zk/Signed_and_unsigned_numbers.md | 1 - zk/Twos_complement.md | 1 - 7 files changed, 29 insertions(+), 8 deletions(-) create mode 100644 zk/Network_card.md diff --git a/.zk/notebook.db b/.zk/notebook.db index 777e68707543f1bf1e8de6376ea784404a1e1023..ffcf45055ebef987a344c047722e2274ff4ce4b6 100644 GIT binary patch delta 15715 zcmeHu3v^ponXdLeFX>1}55MEsvFtc;5+}AKOP1uMc{WKCH;I#`k2GmhSvs;6%a$X_ zahyk$Bc}-v3Q5y)XlZFKbSS-)LP=XuC_^aImNJx<#T{5MtlP2%W`?=tQlJdOFdgo< z_mP`)hMC1I2JT(!PLdP-d!POI_rL%B?|*;)J|`}{MNZ&3J73#svk8B1J+`OMEs2t? zkKeXuP1jzP3XL?InHVd`wp_MB6ng1IuBaFGCv(}Xo-Af^69s$y`PbI8k@#oUs(vcG 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Each device on a [local network](./Link_Layer_of_Internet_Protocol.md) has a MAC -as a unique identifier. It is hardware-based and the addresses are typically -burned into the network card by the manufacturer, making them a physical -attribute of the device. +as a unique identifier. It is a hardware-based, physical attribute of the +device, typically permanently encoded onto a non-volatile memory chip attached +to the network card. MAC addresses consist of 6 bytes (48-bits) represented as 12 -[hexadecimal_digits](Hexadecimal_number_system.md) +[hexadecimal_digits](Hexadecimal_number_system.md). diff --git a/zk/Network_card.md b/zk/Network_card.md new file mode 100644 index 0000000..908b863 --- /dev/null +++ b/zk/Network_card.md @@ -0,0 +1,24 @@ +--- +title: Network_card +tags: [networks, hardware] +created: Tuesday, August 06, 2024 +--- + +# Network_card + +The network card (technically know as the Network Interface Card (NIC)) or +_network adapter_ is the hardware device that allows a computer to connect to a +network. + +They are the physical interface between the computer and the network +[link](./Link_Layer_of_Internet_Protocol.md), e.g. WiFi or ethernet. + +They can be internal and built into the [motherboard](./Motherboard.md) or +external as in the case of USB adaptors. + +Each network card has a unique [MAC address](./MAC_addresses.md) to identify the +device on the network. + +Network cards on consumer-grade devices typically utilise the devices resources +and the kernel manages its actions via a driver. More high-end devices +(typically used in servers) have their own processors and memory. diff --git a/zk/Signed_and_unsigned_numbers.md b/zk/Signed_and_unsigned_numbers.md index d0922df..f200839 100644 --- a/zk/Signed_and_unsigned_numbers.md +++ b/zk/Signed_and_unsigned_numbers.md @@ -1,7 +1,6 @@ --- tags: - binary - - hardware --- # Signed and unsigned numbers diff --git a/zk/Twos_complement.md b/zk/Twos_complement.md index bbfa632..a87d7eb 100644 --- a/zk/Twos_complement.md +++ b/zk/Twos_complement.md @@ -3,7 +3,6 @@ id: gktb title: Two's complement tags: - binary - - hardware created: Tuesday, March 19, 2024 ---