Automation testing is a process in which all the drawbacks of manual testing are addressed properly. and it provides:
1. speed
2. accuracy
3. less time consuming
4.simultaneous actions performed at a time
Automation tools will give the effective result than the manual testing, its a kind of 24*7 work environment with the tools
More fast
More Reliable
More Effective
Regression can be done as many no of times
Thru automation tools we can reuse the generated script