Nowadays children are really addicted to computer games. Computer games can help children increase their skills, visual processes and functioning. It may help people overcome depression and anxiety. But prolonged use of these video games can cause severe damage to eyesight and might lead to anxiety One major disadvantage of video games is that it can become addictive for students which eventually make them more aggressive and violent in behaviour. Computer science is predominantly the study of the vast arena of computer and its technology. Computer is a device which is used to store and process any data. Nowadays technology has been developed so efficiently that even machines began to behave like human beings. Besides being an electronic machine, computer has the capability to perform arithmetic and logical functions. Video games can enhance concentration and skills of students.