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Network interface controller

In the world today, it has become essential for our computers and mobile devices to connect to various types of networks especially the internet. This becomes possible with the help of the network interface controller, which is computer hardware whose main function is to provide network connectivity to the computer. Earlier, network interface controllers came in the form of separate expansion cards called Network interface cards (NICs), which could be connected to the CPU. These network interface cards housed all the hardware that was required to provide a base for connecting to computer networks, be it a Local Area Network (LAN) or a Large-scale Network like the internet. A NIC deals with both the physical layer and the data link layer. So, while it serves as the hardware for the network connectivity, it is also the seat for some of the data link layer processes.

Network connectivity could be either wireless as with Wi-Fi or wired as with the Ethernet port. The NIC used to be directly inserted into the computer-bus. With the evolution of computers, however, network interface controllers started coming embedded onto the motherboard of the computer, especially in the case of laptops, which lowered the overall cost of production. Nowadays, it is not very often that one finds a separate network interface card in a computer. These are implemented only if some special type of connectivity other than Wi-Fi or Ethernet is desired. Dedicated Ethernet chips may be used for enabling Ethernet capabilities.

The NICs of computers connected together locally interact with each other using network switches to establish communication between them. In order to connect with computers on a different network (as on the internet), a network router is required that can direct the data packets to the desired destinations.

There are multi-queue Network interface controllers that receive and transmit data packets through distinct queues. Each of the receive queues is given a unique interrupt. An improvement in the performance of the NIC can be achieved by directing the various interrupt requests to different CPUs where the final application destinations of the network packets. This method is called Receive Side Scaling. This distribution of data can also be done completely on the software basis and is known as Receive Flow Steering.

The NIC for most of the desktop computers is integrated with the motherboard and is located at the back side of the CPU where all the other ports are available. In case the computer does not have an onboard NIC, an external Network card can also be installed at the PIC card slot.

Display, Monitor - Interface Controller

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Image Part Number Description Package In Stock Quantity
SC501U SC501U3MDisplay, Monitor - Interface Controller, CONTROLLER 5-WIRE USB RESISTIVE-In Stock: 402 piece(s)
SC401U SC401U3MDisplay, Monitor - Interface Controller, CONTROLLER 4-WIRE USB RESISTIVE-In Stock: 304 piece(s)
EXII-7710UC EXII-7710UC3MDisplay, Monitor - Interface Controller, CONTROLLER EX II USB CAPACITIVE-In Stock: 198 piece(s)
417100041-3 417100041-3Digital View Inc.Display, Monitor - Interface Controller, BOARD PC/DVI INTERFACE ALR-1400-In Stock: 451 piece(s)
416212500-3 416212500-3Digital View Inc.Display, Monitor - Interface Controller, VIDEO CONTROLLER BOARD-In Stock: 483 piece(s)
4168800-XX 4168800-XXDigital View Inc.Display, Monitor - Interface Controller, CTRLR DVI-1600 FOR TFT/PLASMA-In Stock: 159 piece(s)
4169300XX-3 4169300XX-3Digital View Inc.Display, Monitor - Interface Controller, CTRLR AL-1280 VGA-SXGA LVDS PNL-In Stock: 276 piece(s)
4167200-XX 4167200-XXDigital View Inc.Display, Monitor - Interface Controller, CTRLR ACG-1024 TTL XGA PANEL-In Stock: 372 piece(s)
4169300-XX 4169300-XXDigital View Inc.Display, Monitor - Interface Controller, CTRLR AL-1280 VGA-SXGA LVDS PNL-In Stock: 242 piece(s)
4167201-XX 4167201-XXDigital View Inc.Display, Monitor - Interface Controller, CTRLR ACG-1024 FOR SVGA PANELS-In Stock: 341 piece(s)
4165100-XX 4165100-XXDigital View Inc.Display, Monitor - Interface Controller, CTRLR SVP-1280 VGA-SXGA PNLS-In Stock: 196 piece(s)
4167202-XX 4167202-XXDigital View Inc.Display, Monitor - Interface Controller, CTRLR ACG-1024 VGA PANEL SUPPORT-In Stock: 123 piece(s)
4169901XX-3 4169901XX-3Digital View Inc.Display, Monitor - Interface Controller, LCD CONTROLLER HE-1600-In Stock: 259 piece(s)
4175200XX-3 4175200XX-3Digital View Inc.Display, Monitor - Interface Controller, INTERFACE CONTROLLER 12V/24V-In Stock: 193 piece(s)
4160164XX-3 4160164XX-3Digital View Inc.Display, Monitor - Interface Controller, HD3000S 3GSDI ADAP SGLPORT 3GBPS-In Stock: 492 piece(s)
4160133XX-3 4160133XX-3Digital View Inc.Display, Monitor - Interface Controller, ADAPTER HD-2000 HD-SDI 2-CH CBL-In Stock: 105 piece(s)
4176000XX-3 4176000XX-3Digital View Inc.Display, Monitor - Interface Controller, LCD CONTROLLER SP-1920-In Stock: 457 piece(s)
4160134XX-3 4160134XX-3Digital View Inc.Display, Monitor - Interface Controller, ADAPTER HD-1000 HD-SDI 1-CH CBL-In Stock: 197 piece(s)
4172200XX-3 4172200XX-3Digital View Inc.Display, Monitor - Interface Controller, INTERFACE CONTROLLER 12V/24V-In Stock: 120 piece(s)
8051 CONTROL BOARD 8051 CONTROL BOARDNewhaven Display IntlDisplay, Monitor - Interface Controller, BOARD CNTRL 8051 CHAR/GRAPH/COG-In Stock: 107 piece(s)
4171400XX-3 4171400XX-3Digital View Inc.Display, Monitor - Interface Controller, CTLR DVS-1600 DVI VGA S-VID COMP-In Stock: 392 piece(s)
SC402S SC402S3MDisplay, Monitor - Interface Controller, CONTROLLER 4-WIRE SER RESISTIVE-In Stock: 516 piece(s)
EXII-7769UC EXII-7769UC3MDisplay, Monitor - Interface Controller, CONTROLLER EXII USB 1X2 CAPAC-In Stock: 349 piece(s)
GCC-2 GCC-2Amulet Technologies LLCDisplay, Monitor - Interface Controller, IC GEMEXPRESS TFT/OLED DVR MOD-In Stock: 400 piece(s)
4169900XX-3 4169900XX-3Digital View Inc.Display, Monitor - Interface Controller, CTRLR SP-1600 FOR TFT PANEL-In Stock: 347 piece(s)
EXII-7760UC EXII-7760UC3MDisplay, Monitor - Interface Controller, CONTROLLER EX II USB CAPACITIVE-In Stock: 348 piece(s)
4175800XX-3 4175800XX-3Digital View Inc.Display, Monitor - Interface Controller, INTERFACE CONTROLLER 12V/24V-In Stock: 440 piece(s)
GCC-1 GCC-1Amulet Technologies LLCDisplay, Monitor - Interface Controller, IC GEMEXPRESS TFT/OLED DRVR MOD-In Stock: 382 piece(s)
4172700XX-3 4172700XX-3Digital View Inc.Display, Monitor - Interface Controller, INTERFACE CONTROLLER 12V/24V-In Stock: 519 piece(s)
EXII-7720SC EXII-7720SC3MDisplay, Monitor - Interface Controller, CONTROLLER EX II SER CAPACITIVE-In Stock: 667 piece(s)