How much time is spent scanning across each row of pixels during screen refresh on a raster system with resolution of 1280 X 1024 and a refresh rate of 60 frames per second?

4 weeks ago

How much time is spent scanning across each row of pixels during screen refresh on a raster system with resolution of 1280 X 1024 and a refresh rate of 60 frames per second?

Solution:

Here, resolution = 1280 X 1024

That means system contains 1024 scan lines and each scan line contains 128 pixels refresh rate = 60 frame/sec.

So, 1 frame takes = 1/60 sec. Since resolution = 1280 X 1024

1 frame buffer consist of 1024 scan lines

It means then 1024 scan lines takes 1/60 sec Therefore, 1 scan line takes ,

1 / 60 X 1024

Sec = 0.058 sec

Bench Partner
Sep 24, 2021
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