A graphic display system has a frame buffer that is 640 pixels wide, 4 – McqOptions

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1.	A graphic display system has a frame buffer that is 640 pixels wide, 480 pixels high and 1 bit of color depth. If the access time for each pixel on the average is 200 nanoseconds, then the refresh rate of this frame buffer is approximately:
A.	16 frames per second
B.	19 frames per second
C.	21 frames per second
D.	23 frames per second
Answer» B. 19 frames per second

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