Identify the problem with the use of tense in the following sentence (selected from students’ writings), and then correct it.

(Eg. Computer technology develops very fast.

the problem: develops

fixing the problem: is developing

in the space devoted for answers, you should write:

develops: is developing
please be precise; if you add any character as a full stop or a bracket or put equal instead of colon, 
your answer would be considered incorrect even if it is correct!!!)

PCs are using more power and higher wattage

than laptops.