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  2. Phone connector (audio) - Wikipedia

    en.wikipedia.org/wiki/Phone_connector_(audio)

    The microphone generates its own voltage and needs no power. Devices that use a self-powered microphone: usually a condenser microphone with an internal battery-powered amplifier. Devices that use a plug-in powered microphone: an electret microphone containing an internal FET amplifier. These provide a good quality signal in a very small ...

  3. Disk Cleanup - Wikipedia

    en.wikipedia.org/wiki/Disk_Cleanup

    In 2018, Microsoft introduced a second cleanup utility 'Storage Sense' in the Settings app with Windows 10 version 1803, but Disk Cleanup remained with Windows. As of 2024, it is not marked as deprecated. [1] Windows 11 introduced "Cleanup recommendations" as an 'easy to use' alternative to Disk Cleanup, replacing Storage Sense. [2]

  4. Lenovo - Wikipedia

    en.wikipedia.org/wiki/Lenovo

    Lenovo Group Limited, trading as Lenovo (/ l ə ˈ n oʊ v oʊ / lə-NOH-voh, Chinese: 联想; pinyin: Liánxiǎng), is a Chinese [9] multinational technology company specializing in designing, manufacturing, and marketing consumer electronics, personal computers, software, servers, converged and hyperconverged infrastructure solutions, and related services. [5]

  5. AOL latest headlines, entertainment, sports, articles for business, health and world news.

  6. Get breaking news and the latest headlines on business, entertainment, politics, world news, tech, sports, videos and much more from AOL

  7. Self-cleaning surfaces - Wikipedia

    en.wikipedia.org/wiki/Self-cleaning_surfaces

    Self-cleaning surfaces are a class of materials with the inherent ability to remove any debris or bacteria from their surfaces in a variety of ways. The self-cleaning functionality of these surfaces are commonly inspired by natural phenomena observed in lotus leaves, gecko feet, and water striders to name a few. The majority of self-cleaning ...

  8. Self-cleaning glass - Wikipedia

    en.wikipedia.org/wiki/Self-cleaning_glass

    Self-cleaning glass is a specific type of glass with a surface that keeps itself free of dirt and grime. The field of self-cleaning coatings on glass is divided into two categories: hydrophobic and hydrophilic. These two types of coating both clean themselves through the action of water, the former by rolling droplets and the latter by sheeting ...

  9. Microsoft PowerPoint - Wikipedia

    en.wikipedia.org/wiki/Microsoft_PowerPoint

    On April 28, 1987, a week after shipment, a group of Microsoft's senior executives spent another day at Forethought to hear about initial PowerPoint sales on Macintosh and plans for Windows. [ 26 ] : 191 The following day, Microsoft sent a letter to Dave Winer withdrawing its earlier letter of intent to acquire his company, [ 44 ] and in mid ...