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2. Utility frequency - Wikipedia

   en.wikipedia.org/wiki/Utility_frequency

   The waveform of 230 V and 50 Hz compared with 120 V and 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in a wide area synchronous grid transmitted from a power station to the end-user.

3. Scan conversion - Wikipedia

   en.wikipedia.org/wiki/Scan_conversion

   In many LCD monitors there is a native picture mode, however the monitor can display different graphical modes using a scan converter. In a 100 Hz/120 Hz analog TV, there is a scan converter circuit which converts the vertical frequency (refresh rate) from standard 50/60 Hz to 100/120 Hz to achieve a low level of flicker which is important in ...

4. List of video connectors - Wikipedia

   en.wikipedia.org/wiki/List_of_video_connectors

   10240 × 4320 @ 60 15360 × 8640 @ 60 (version 2.0) Apple Inc. Lenovo, HP, and Dell systems and monitors ATI RV670 based graphics cards and NVIDIA G92 graphics cards (both as OEM optional implementations) DisplayPort introduced the 128-bit AES to replace HDCP. DisplayPort version 1.1 added support for HDCP. DiiVA: 2008: 13-pin Digital: 2560 × ...

5. Frequency changer - Wikipedia

   en.wikipedia.org/wiki/Frequency_changer

   Often airplanes use 400 Hz power so a 50 Hz or 60 Hz to 400 Hz frequency converter is needed for use in the ground power unit used to power the airplane while it is on the ground. Airlines might also utilize the converters to provide in-air wall current to passengers for use with laptops and the like.

6. Walmart+ members can save up to $400 on these Roku ... - AOL

   www.aol.com/lifestyle/walmart-members-save-400...

   HeimVision 1080P CA01 Wireless Security Camera, $35 (was $60), walmart.com Energizer Connect Smart Plug, No Hub Required, $20 (was $50), walmart.com Philips Hue White E26 Smart Bulb 2-Pack, $80 ...

7. List of computer display standards - Wikipedia

   en.wikipedia.org/wiki/List_of_computer_display...

   For example, 1280×1024 (5:4) or 1360×1024 (≈4:3) in 16 colours at 60 Hz, 1056×400 [14h] Text Mode (132×50 characters); 800×600 in 256 or 64k colours; and even as high as 1600×1200 (at a reduced 50 Hz scan rate) with a high-quality multisync monitor (or an otherwise non-standard 960×720 at 60 Hz on a lower-end one capable of high ...

8. Walmart to build or convert 150-plus stores in next 5 years ...

   www.aol.com/news/walmart-build-convert-150-plus...

   NEW YORK (AP) — Walmart plans to build or convert more than 150 stores in the next five years, while continuing to remodel existing stores. The plan, announced Wednesday, marks a big change for ...

9. Frame rate - Wikipedia

   en.wikipedia.org/wiki/Frame_rate

   Video games designed for PAL markets, before the sixth generation of video game consoles, had lower frame rates by design due to the 50 Hz output. This noticeably made fast-paced games, such as racing or fighting games, run slower. [20] Computer monitors marketed to competitive PC gamers can hit 360 Hz, 500 Hz, or more. [21]