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Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power supply often via an AC adapter , batteries, or a USB port.
PC World found they produced better sound than most speakers costing twice as much, and they have the added advantage of being USB-powered, which means you don’t have to worry about a separate ...
Built-in stereo speakers; Built-in microphone; Audio based on the AC'97 codec, with jacks for external stereo speakers and microphones, Line-out, and Mic-in; Three external USB 2.0 ports. More than twenty different keyboards have been laid out, to suit local needs to match the standard keyboard for the country in which a laptop is intended.
While speakers can be used for any purpose, there are computer speakers which are built for computer use. These speakers are designed to sit on a desk, and as such, cannot be as large as conventional speakers. [8] Computer speakers may be powered via USB, and are most often connected through a 3.5mm phone connector.
The PC 97 standard requires that a computer's BIOS must detect and work with USB HID class keyboards that are designed to be used during the boot process. Some keyboards implement the USB Boot Keyboard profile specified in the USB Device Class Definition for Human Interface Devices (HID) v1.11 and are explicitly configured to use the boot protocol.
The computer sends data to an output device; examples: monitor, printer, headphones, and speakers The computer sends and receives data via an input/output device ; examples: storage device (such as disk drive , solid-state drive , USB flash drive , memory card and tape drive ), modem , router , gateway and network adapter