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(d) Where is artificial intelligence used?
(i) Training soldiers in combat using battlefield simulations
(ii) In self-driving cars that do not require a driver
(iii) To allow access to buildings
(iv) To create prototypes of cars or any object
(e) Where is virtual reality used?
(i) Training soldiers in combat using battlefield simulations
(ii) In three-dimensional (3D) films
(iii) To allow access to buildings
(iv) To create prototypes of cars or any object
(f) Where is computer-assisted translation used in everyday life?
(i) Training TV hosts (ii) Spell-checkers used in word processing software
(iii) Dictation tests (iv) Recording weather conditions
(g) Which of the following is a positive impact of artificial intelligence in driverless cars?
(i) An immersive video experience for the viewer using special glasses.
(ii) Data is completely secure and cannot be tampered with.
(iii) This method ensures that only authorized people can enter restricted buildings or rooms.
(iv) Safer transport as there would be fewer road accidents.
(h) What hardware is typically used for virtual reality?
(i) A powerful computer, headset with screen to see, headphones to hear and sometimes gloves.
(ii) Keyboard, mouse, printer and plotter.
(iii) Smartphone, mic and tablet.
(iv) Plotters, mouse, speakers and tablet.
Answers: (a) (ii) (b) (iii) (c) (ii) (d) (ii) (e) (i) (f) (ii)
(g) (iv) (h) (i)

SOLVED QUESTIONS
1. Define knowledge base.
Ans. A knowledge base is a store of information consisting of facts, assumptions and rules which an AI system
can use for decision-making.
2. How does NLP help differently-abled persons?
Ans. NLP is the machine’s ability to process what was said, structure the information received, determine the
necessary response and respond in a language that we understand. It also has a key feature of word
embedding to help the differently-abled to work with ease.
3. Describe the benefits of cloud computing.
Ans. The benefits of cloud computing are:
(a) Easy to maintain. (b) Increased security at a much lesser cost.
(c) On-demand self-service by consumers. (d) Rapid scaling of capacity.
(e) Resource pooling of physical and virtual resources.
4. Define the term Robotics.
Ans. Robotics is an interdisciplinary branch of technology requiring applications of mechanical engineering,
electronics and computer science, among others. Robotics is primarily concerned with the design, Emerging Trends
fabrication, operation and application of robots.
5. Briefly explain the role played by robots in the medical field.
Ans. Prosthetic robotic limbs interface with the nervous system to restore movement and sense of touch to
amputees. Automated dispensing robots limit medication-dispensing errors in pharmacy settings. Clinical
training robots offer lifelike simulations of medical conditions to help doctors during their training.
6. Drone—a utility of Robotics—can be helpful in the event of a natural calamity. How?
Ans. Yes, drones can be of great help during natural calamities. Following a disaster, drones can help relief
workers understand the big picture, locate survivors more quickly, perform structural analysis of damaged
infrastructure, deliver supplies and equipment, and evacuate casualties and help put out fires.
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