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Two pins are used for the mono headphone signal and two pins for the unbalanced microphone signal. The 4-pin XLR connector is also commonly used on amateur radio microphones, but transferring unbalanced audio instead, and using the 4th pin (with the common ground) for a push-to-talk (PTT) circuit activated by a button on the microphone.
A HP-HIL connector for keybords next to a HP-IB connector on an HP9000-310 workstation The HP-HIL ( Hewlett-Packard Human Interface Link ) is the name of a computer bus used by Hewlett-Packard to connect keyboards, mice, trackballs , digitizers, tablets, barcode readers, rotary knobs, touchscreens, and other human interface peripherals to their ...
A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse. A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface
Examples of computer connector sockets on various laptops Ports on the back of the Apple Mac Mini (2005) A computer port is a hardware piece on a computer where an electrical connector can be plugged to link the device to external devices, such as another computer, a peripheral device or network equipment. [1] This is a non-standard term.
I/O ports: 2 USB 3.0, 1 USB 2.0, 1 HDMI port, 4-in-1 SD Card Reader, 1 Ethernet port, 1 combined headphone/microphone jack, 1 security lock, 1 power adapter port. 3148: — [ 21 ] — this model features a HDMI port, 1x USB 3.0 and 2x USB 2.0 Type-A ports, a headphone/microphone combo (headset) port, a media-card reader and a security-cable slot.
In 1997, First International Computer (FIC), a Taiwanese-based manufacturer of computer motherboards, [2] appointed Silicon Valley as their distributor in the Philippines. It then followed by Hewett-Packard which the appointed Silicon Valley as their Accredited Commercial Reseller (ACR), Dealer Premier Support Partner (DPSP) and Accredited ...
Paul, Matthias R. (2002-04-06). "Re: [fd-dev] ANNOUNCE: CuteMouse 2.0 alpha 1".freedos-dev.Archived from the original on 2020-02-07 […] The original Mouse Systems Bus Mouse is a normal serial 8250 compatible mouse using the normal Mouse Systems serial protocol, however the base address of this 8250 type chip is not one of the usual COM port addresses 3F8h, 2F8h, 3E8h, or 2E8h, but either ...
A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...