Screen Resolutions Explained: SD vs HD vs Full HD vs 2K vs QHD vs 4K

In this video we explain what are the different type of Smartphone screen resolutions. Basically, this video explains how are SD, HD, FHD, QHD, 2K and 4K different.
We also explain which is a good resolution for smartphone
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दोस्तों इस वीडियो में हम एक्सप्लेन करते है अलग टाइप के स्क्रीन रसोलूशन्स. इस वीडियो से आपको पता चलेगा कौनसी मोबाइल फ़ोन स्क्रीन सबसे अच्छी होती है और आपने क्या करना chahiye
आपको अगर कोई सवाल है तोह जरूर कमैंट्स में हमें बताईये - अगर वीडियो अच्छा लगा तोह लिखे और सब्सक्राइब जरूर कीजियेगा
Video
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00:11 Introductions Screen Resolutions - SD, HD, Full HD, QHD and 4K
01:00 Old TV Resolution
01:25 SD RESOLUTION Details
02:00 HD RESOLUTION Details
03:11 Full HD or FHD RESOLUTION
03:35 What is PPI or DPI or Pixels per inch
04:00 How to calculate Pixels per inch
04:30 Why PPI is Important
04:45 Recap of various resolutions
05:05 QHD, Quad HD or 2K Resolution
05:40 4K resolution or Ultra HD or 4K
06:00 conclusion
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