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Computer graphic Mid term Examination

Q.No.1

Consider a Scenario-1 having two raster systems with resolutions a*480 and 640*b.The total storage used for scenario-1 is 625 KB if 4 bits per pixel are to be stored. Suppose another scenario-2 exists with two raster system having solutions a*380 and 540*b.In this case the total storage used for scenario-2 is 35625/64 KB if 4 bits per pixel are to be stored. Find the value of a and b.

How long would it take to load scenario-1 and scenario-2 if 10*10 bits can be transferred per second?

Q.No.2

(A) Consider a non-interlaced raster monitor with a resolution of x by y and a refresh rate of K frames per second. suppose a horizontal retrace time is u1 frame per second and a vertical retrace time is u2 frame per second. Find the total retrace time of N frames.

(B)How much memory in KB is required for the frame buffer to store 1280*1024 display 128 gray levels?

Q.NO.3

(A) Prove the statement. “Increasing the resolution actually decreasing the size of the image”, by suitable example.

(B)Explain the working of LCD.

Good Luck

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