10 marks Question 1 Assume that a monochrome video display system has the follow

Question

10 marks Question 1 Assume that a monochrome video display system has the following characteristics: 640x 480 resolution first byte of the video buffer is called BASE .origin (0.0) is at top-left most significant bit is first pixel to be displayed Answer the following questions: w many bytes are there per scan line? and how many bytes are required to store the a. Ho buffer? (assuming that no bytes (5 marks] are wasted). Please list the calculation procedure and the results. b. What formula is used to calculate the address of the byte that contains the pixel at location (x, y)? [5 marks]

Explanation / Answer

B)For resolution of 640*480 video can found the address of byte that contains pixel at location (x,y).

addr(x,y)=addr(0,0)+Y*Rx+X

Here Rx*Ry is the resolution of video.

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