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2. QRS complex - Wikipedia

   en.wikipedia.org/wiki/QRS_complex

   QRS complex. Schematic representation of a normal sinus rhythm ECG wave. Diagram showing how the polarity of the QRS complex in leads I, II, and III can be used to estimate the heart's electrical axis in the frontal plane. The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG).

3. Qube (cable television) - Wikipedia

   en.wikipedia.org/wiki/Qube_(cable_television)

   Qube (stylized QUBE) was an experimental two-way, multi-programmed cable television system that played a significant role in the history of American interactive television. It was launched in Columbus, Ohio, on 1 December 1977. [1] Highly publicized as a revolutionary advancement, [2] the Qube experiment introduced viewers to several concepts ...

4. QRS Music Technologies - Wikipedia

   en.wikipedia.org/wiki/QRS_Music_Technologies

   QRS Music Technologies. QRS Music Technologies, Inc. is an American company that makes modern player pianos. It was founded as Q•R•S Music Company in 1900 to make piano rolls, the perforated rolls of paper read by player pianos to reproduce music. The company also produced shellac records in the 1920s and 1930s and radios beginning in the ...

5. Flat Display Mounting Interface - Wikipedia

   en.wikipedia.org/wiki/Flat_Display_Mounting...

   Flat Display Mounting Interface. The Flat Display Mounting Interface (FDMI), also known as VESA Mounting Interface Standard (MIS) or colloquially as VESA mount, is a family of standards defined by the Video Electronics Standards Association for mounting flat panel monitors, televisions, and other displays to stands or wall mounts. [1]

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

   The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...