sentence: Currently , in the 21st century , computers have had a very long technology advance which range from the software and the size of the internal memory ( bigger than old computers ) , the size of the computer ( which is varied , but smaller than the computers of the past ) and their shape , the weight of them ( they are more lightweight ) and variations in the colors of the screen ( visually ) .
modified: Currently in the 21st century , computers have had a very long technology advance which range from the software and the size internal memory ( bigger than the old computers ) , the size of the computer ( which is varied but more smaller than the previously computers ) and its shape , the weight of it ( they are more lightweight ) and variations in the colors of the screen ( visually ) .
transformation: PUNCT, K, OTHER, DET, PUNCT, ADJ, OTHER, DET, PRON