Data entry is helping hand job and very low paying rate. You may need to know word, excel and other web tools which are used to grab data.
Most of the time training is provided for data entry jobs, but not limited to. The field is very much competitive. You better invest your time on something else. Like Photoshop, designing, writing etc.
Do not go for a job because it is easy. Go for one because it is challenging and you'll love it.