1.0 PC Hardware

1.4 Install and configure expansion cards.

Expansion cards are printed circuit boards that can be inserted into an expansion slot of a computer motherboard, and are designed to add versatility and expand the functionality of a computer. Depending on the form factor of the motherboard and case, one to seven expansion cards can be added to a computer system. Over time, changes in technology have required design changes to accomodate. Each card must meet the same exacting standards as the expansion slot it will be installed into.

  • Sound cards

    A sound card is an internal computer expansion card providing an audio input and output interface with connections for speakers, headphones, and microphone.

  • Video cards

  • Network cards

    Network Interface Controller (or Card) - Used to provide a physical connection to a computer network, available in Ethernet, Wi-Fi, or Token Ring formats and operates on both Layer 1(physical) and Layer 2(data link) of the OSI model. Ethernet controllers are generally equipped with an RJ-45 connection and typically support maximum transfer rates of 10, 100 or 1000 Megabits per second.

  • Serial and parallel cards

    Provides additional serial connections.

    Provides additional parallel connections.

  • USB cards

    Provides additional USB connections.

  • Firewire cards

  • Storage cards

  • Modem cards

    Short for modulator-demodulator, a modem is designed to communicate over telephone line by converting digital signals from your computer into analog signals for transmission and back again to digital for reception. Transfer rates are limited to 56 kbit/s download without compression.

  • Wireless/cellular cards

  • TV tuner cards

    Receives television signals through cable connections for viewing or recording television programming.

  • Video capture cards

    Used to capture analog and S-Video formats. Some cards support digital video and HDMI in both standard definition (SD) and high definition (HD). Analog signals can be converted into digital media, recorded, used for video surveillance, or live streaming video.

  • Riser cards


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