(i) In the Sixth Generation, computers could be defined as the era of intelligent computers based on Artificial Neural Networks.
(ii) One of the most dramatic changes in the sixth generation will be the explosive growth of Wide Area Networking.
(iii) Natural Language Processing (NLP) is a component of Artificial Intelligence (AI).
(iv) It provides the ability to develop the computer program to understand human language.

(i) Plotter: Plotter is an Output device that is used to produce graphical Output on papers. It uses single colour or multi-colour pens to draw pictures.
(ii) Speakers: Speakers produce voice output (audio). Using speaker along with speech synthesize software, the computer can provide voice output.
(iii) Multimedia Projector: Multimedia projectors are used to produce computer output on a big screen. These are used to display presentations in meeting halls or in classrooms.

Input device is used to feed any form of data to the computer, which can be stored in the memory unit for further processing.
Example: Keyboard, mouse, Scanner, Fingerprint scanner, Track Ball, Retinal Scanner, Light pen etc.

(i) Computer is the powerful machine.
(ii) It can perform large number of tasks.
(iii) The main capacities of computer are work length, speed accuracy, diligence, versatility memory and automation and lots of more tasks.