What is Mega Pixel ??

What is Mega Pixel ?? 
1 MegaPixel is equal to How Many Pixels,Resolution,What is Mpx Mega Pixel ??
How many pixels are in a mega pixel?
Megapixel is like megabite. Megabite has 1 000 000 bytes so megapixel has 1000 000 pixels. Mega refers to 10^6
Mega means 10 to the power of 6
Full Table:- (approx)  
MegapixelsWidth x Height
0.1320×200
0.2640×350
0.3640×480
0.5800×600
0.81024×768
11152×