Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Pick out the words from the text and make sentence:

Spanish influenza Birthplace Symptoms
Neutral country Outbreaks Total death
Ground zero Epidemic Experts
Soldiers    

 

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Question:

Read the passage carefully and answer the questions given below.

In the end, almost no place was spared. When the Spanish influenza virus circled the world between 1918 and 1919, nearly every place that man had occupied prior to that was affected, with some of the exceptions being islands in the Bering Sea, the northern coast of Iceland, and American Samoa. Some experts today believe that the virus originated in China—the birthplace of many flu strains. It appears that the virus passed from birds to pigs and then to humans. Its first true victim has been lost to history.

What is known is that on March 11, 1918, an Army cook named Albert Mitchell reported to the infirmary of Camp Funston, Kansas. He had typical flu-like symptoms—a low-grade fever, mild sore throat, slight headache, and muscle aches. He was ordered to rest in bed. By noon of the same day, 107 soldiers at the base were sick with similar symptoms. Within two days, 522 people were sick. Military posts have always been fertile ground for outbreaks of contagious disease. Barracks bring people from many regions into close quarters under high stress. So it wasn't a surprise that ground zero of this epidemic was a military installation, or that the disease was next reported, on March 18, at several Army camps in Georgia.

The symptoms were mild, with few deaths. But the numbers of ill were high -- 2,900 cases out of 28,586 troops at the Georgia camps. The epidemic then hop-scotched from one military post to another in the eastern and southern United States, spilled into the civilian population, and reached the West Coast in late April, where an outbreak was recorded at San Quentin Prison. Influenza hit large cities exceptionally hard: in Philadelphia, 158 out of 1,000 people died; 148 out of 1,000 in Baltimore; and 109 out of 1,000 in the nation’s capital.

The good news (if there was any) was that the disease peaked within two to three weeks after appearing in a given city. By then, however, it had already made a bigger and more fateful leap, across the Atlantic Ocean with hundreds of thousands of American soldiers going to join the Great War. Outbreaks were noted at an Army camp in Bordeaux, France, and in the port city of Brest in early April. By the end of the month it was at the Western Front, in the American, British, French and German armies. In May it arrived in England with troops returning from France. That month saw an outbreak in Madrid and Seville that caused a total death rate about twice normal for that time of year.

This epidemic, with roots in Asia and the United States, had become a pandemic (an epidemic that is spread worldwide). Spain was a neutral country during World War I. Because its news reports were uncensored, the Spanish outbreak received wide publicity, ultimately lending its name to both the pathogen and the pandemic itself. Even at the time, however, experts realized the name "Spanish flu" was entirely misleading as an indicator of the germ's origin.

The epidemic continued to move north and east, getting as far as Scandinavia and Poland. This "spring wave" reached India, arriving in Bombay on May 31 with a troop transport. Puerto Rico, part of the Brazilian coast, Indonesia, Australia and New Zealand experienced outbreaks in June. Influenza tends to be seasonal, as the virus survives longest in cool, dry air and is most easily spread when people are crowded together -- all conditions favored by winter. It was unusual for the first wave of the 1918 pandemic to last as long as it did, and not surprising when things slowed down in August.

i). From where do most experts think that the influenza virus of 1918-1919 originated, and how was it passed to humans? 

ii). Why are military bases considered “ground zero” for epidemic outbreaks?

iii).Why did the virus become known as the “Spanish flu?”

iv). At what major American port did the fall wave of the influenza pandemic strike first?

v). Did each country affected by the flu suffer the same death rate?

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Question:

Create a file in LibreOffice Calc showing marks of students obtained in a semester with separate columns for assignments and semester end exam. Sort the file alphabetically and ascending order of marks. Add a bar chart representing the data.

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Question:

Prepare a presentation on a topic of your interest using LibreOffice Impress. The presentation must have atleast 4 slides with a title slide. In the second slide a bulleted list is to be provided. In the third slide insert an image with text description. In the final slide insert a table. Use animation schemes for header and the text and transition effects in each slide.

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Question:

Prepare a one page of your resume using LibreOffice Writer with a table for qualifications and experience. Table must be embedded in the document. Table must centre aligned in the text with the content left justified. Top row text must be in a bold face and use colours and shading in the row to distinguish it from other rows.

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Question:

Consider the following PROLOG program say the knowledge base is:

Sister (sue, bill)

Parent (ann, sam)

Parent (joe, ann)

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Question:

What will bethe output of the function when invoked with See Answer →

Question:

Express the following knowledge as a semantic network structure with Interconnected nodes and labeled arcs. “Ram is Vice President of ABC Company. He is married to Raj and has a male child RamRaj.RamRaj Goes to school. Ram plays golf and owns a silver color German made car Mercedez Benz”

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Question:

Explain the difference between Forward and Backward Chaining. Under which situation which mechanism is best to use, for a given set of problems?

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Question:

Methods to deal with Uncertainty in knowledge systems

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Question:

Non Deductive Inference rule

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Question:

Expert systems

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Question:

What is meant by ‘Closed Word Assumption’? Where is it used in AI?

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Question:

(iii) Logical consequence

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Question:

(iv) Equivalence

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Question:

(iii) Valid

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Question:

(ii) Contradiction

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Question:

(i) Satisfiable

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Question:

What is meant by ‘Closed Word Assumption’? Where is it used in AI?

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Question:

Compare and contrast the following:

(i) Frames and scripts

(ii) Informed search and uniformed search

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