Download "Fundamentals of Mathematical Statistics " PDF Compulsory Question Paper 2021 for BCA 1st Semester Previous years Examination.

BCA - Bachelor of Computer Applications
1st Semester Examination
Fundamentals of Mathematical Statistics 

Paper: BCA-16-102

Time: 3 Hours] [Max. Marks: 65

Note:- Candidate is required to attempt five questions in all including Q. No. 9 (which is compulsory) and attempt the remaining four questions by selecting one question from each Section.

Download "Fundamentals of Mathematical Statistics " PDF Question paper.

Section-A

1. Define Statistics. List its various functions. Discuss various types of statistical techniques. Explain the various stages involved in a statistical investigation.

2. (a) If average marks obtained by boys and girls are 68.4 and 71.2 marks respectively and average marks of whole class is 70.0 marks. Find ratio of number of boys to number of girls in class.

(b) What do you understand by Harmonic Mean? List its merits and demerits. Find harmonic mean for the following frequency distribution:

Wages in Rs. No. of Workers

40-50 12

50-60 10

60-70 15

70-80 17

80-90 8

90-100 3

Section-B

3. (a) What do you mean by Partition Values ? In what respect they are different from median? Explain any three partition values with their formulas. 

(b) The median of the following data is 20.75. Find the missing frequencies x and y if total frequencies is 100:

Class Interval Frequency

0-5 7

5-10 10

10-15 x

15-20 13

20-25 y

25–30 10

30-35 14

35-40 9

4. (a) The mean and standard deviation of 100 items were calculated as 50 and 6 respectively. Later on, it was discovered that a value 65 misread as 56. Find out correct mean and standard deviation.

(b)Find out mode for the following data:

Marks No. of Students

10-19 10

20-29 12

30-39 18

40-49 30

50-59 16

60-69 6

70–79 8

Section-C

5. (a) Calculate Karl Pearson coefficient of correlation and interpret the result, between the values of X and Y given below. Take A = Assumed mean from X series = 69; B = Assumed mean from Y series = 112.

 

(b) Rank correlation of marks obtained by 10 students was found to 0.2. It was later discovered that difference in ranks in two items was wrongly taken as 9 instead of 7. Find the correct value of coefficient of rank correlation.

6. (a) What is a Scatter Diagram ? How does it help us in studying the correlation between two variables, in respect of both nature and extent?

(b) What are the advantages of Spearman's rank no correlation over Karl Pearson correlation coefficient? Calculate rank correlation from the following scores:

 

Section-D

7. What is Regression Analysis? What is the difference between correlation and regression analysis? Explain the method of least square to fit a straight line which is the best fit.

8. From the following data, obtain the two regression equation:

 

Section-E

(Compulsory Question)

9. (a) Define interquartile range.

(b) Define Bivariate frequency distribution.

(c) What is the relationship between standard deviation and coefficient of variation?

(d) Mention any two limitations of regression analysis.

(e) Define mean deviation.

(f) The mean and mode in a moderately symmetrical distribution are 24.6 and 26.1 respectively. Find the median.

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Download "English" PDF Compulsory Question Paper 2021 for BCA 1st Semester Previous years Examination.

BCA - Bachelor of Computer Applications
1st Semester Examination
English - Compulsory

Paper - A

Paper: BCA-16-101

Time: 3 Hours] [Max. Marks: 65

Note: - Attempt all the questions.

Download "English - Compulsory-A" PDF Question paper.

Section-A 

1. Write a note on the title of the story "The Tell-Tale Heart'. Bring out its meaning and significance.

Or 

What impression do you form of the character of Hughie Erskine in story "The Model Millionaire'. 

2. How did Jawahar Lal Nehru like, as a child, the behaviour of English towards Indians as described in 'My Childhood? What light does B. K. Nehru throw on the role of John F. Kennedy as national and world leader? 

3. (a) Give a summary of the poem :

Lucy or on the morning of Christ's Nativity 

(b) Give short answers of any two of following questions: 

(i) What does the poet say about the nature of men in poem 'Sight No More, Ladies'? 

(ii) Give in your words, Central idea of poem ‘When I Consider Life. 

(iii) What did Lord Ullin see on reaching then shore?

(c) Explain with reference to the context:

No war or battle's sound 

Was heard the world around 

The idle spear and shield were high uphung, 

The hooked chariotstood

Unstained with hostile blood.

Or

She dwelt among the untrodden ways

Beside the springs of Dove, 

A maid whom there were none to praise 

And few to love.

Section-B 

4. Change the form of any five of following words as instructed and use the changed form in sentences of your own: 

Happy (adverb), Beauty (Adjective), Tell (noun), Examination (verb), Retirement (verb), know (noun), Gold (adjective), Direct (adverb).

5. Use any five of the following words/Idioms in sentences: Manual, Trifles, Fluently, Endeavour, Nightmare, Above all, Tears and tatters, Apology.

6. Translate the following passage into English:

स्वास्थ्य एक बड़ा वरदान है। परन्तु जब तक मनुष्य निरोग रहता है वह इस बरकत की कद्र नहीं करता। जब कोई मामूली सा रोग उसको घेर लेता है तो वह उसके महत्त्व को अनुभव करता है। अगर आपकी सेहत अच्छी है तो आप खाने-पीने, चलने और काम करने का आनन्द उठा सकते हो। जो लोग रोगी रहते हैं उनका जीवन उनके लिए एक मुसीबत बन जाता है।

Punjabi Version 

ਸਿਹਤ ਇੱਕ ਵੱਡੀ ਦਾਤ ਹੈ। ਪ੍ਰੰਤੂ ਜਦੋਂ ਤੱਕ ਮਨੁੱਖ ਨਿਰੋਗ ਰਹਿੰਦਾ ਹੈ,ਉਹ ਇਸ ਬਰਕਤ ਦੀ ਕਦਰ ਨਹੀਂ ਕਰਦਾ। ਜਦੋਂ ਕੋਈ ਮਾਮੂਲੀ ਜਿਹਾ ਰੋਗ ਉਸ ਨੂੰ ਘੇਰ ਲੈਂਦਾ ਹੈ ਤਾਂ ਉਹ ਇਸ ਦੇ ਮਹੱਤਵ ਨੂੰ ਅਨੁਭਵ ਕਰਦਾ ਹੈ। ਜੇ ਤੁਹਾੜੀ ਸਿਹਤ ਚੰਗੀ ਹੈ ਤਾਂ ਤੁਸੀਂ ਖਾਣ-ਪੀਣ ਚੱਲਣ ਅਤੇ ਕੰਮ ਕਰਨ ਦਾ ਆਨੰਦ ਮਾਣ ਸਕਦੇ ਹੋ। ਜਿਹੜੇ ਲੋਕ ਰੋਗੀ ਰਹਿੰਦੇ ਹਨ, ਉਹਨਾਂ ਦਾ ਜੀਵਨ ਉਹਨਾਂ ਲਈ ਮੁਸੀਬਤ ਬਣ ਜਾਂਦਾ ਹੈ।

Or

For Foreign Students 

Draft paraphrasing of following passage:

I think I would turn and live with animals, 

They are so placid and self-contained, 

I stand and look at them long and long,

They do not sweat and whine about their condition. 

7. Write a letter to the editor of a newspaper expressing your views on Rising Prices.

Or 

Draft a letter to a Bank for a Loan for your business concern.

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Download "Computing Software (OLD)" PDF Question Paper 2021 for BCA 1st Semester Previous years Examination.

BCA - Bachelor of Computer Applications 1st Semester
BCA-104: Computing Software (OLD) 

Time allowed: 3 Hours] [Max. Marks: 90

NOTE: Attempt five questions in all, including Question No. IX (Unit-V) which is compulsory and selecting one question each from Unit I-IV.

Download "Computing Software (OLD)" PDF Question paper.

UNIT -I 

I. a) Write Short notes for System software and generation of languages. b) Discuss units of measurements of storage and computer architecture and its organization.

II. a) Differentiate between internal and external commands. Give three examples of each type of command.

b) Discuss batch files and write code one batch file that include atleast three commands. What are roles of CONFIG.SYS and AUTOEXEC.BAT?

UNIT -II 

III. a) What are 'recycle bin' and 'windows explorer' in windows? List six common programs of windows control panel.

b) Write atleast five operations on windows folder. Write process to change icons in windows.

IV. a) Discuss autotext and mail merge in MS-word with examples.

b) Write steps for find and replace text, adding headers and spell check in MS-word.

UNIT – III

V. a) Define macro in MS-excel. Write steps to create a macro in MS-excel. 

b) Discuss steps to create line, bar and pie charts in MS-excel.

VI. a) What is slide transition in MS-PowerPoint? Write steps to create a presentation include auto slide transitions. 

b) Discuss records managements in MS-excel including their addition, deletion and filtering.

UNIT -IV 

VII. a) Write HTML code to include an image and a table. 

b) Discuss WWW and the services provided on internet in detail.

VIII. a) Write HTML code that includes hyperlinks, frames and forms. 

b) Write short notes on front page and Dreamweaver.

UNIT-V

IX. Attempt the following:

a) What are rm, rmdir, Del commands?

b) Write steps to run 'BAT' and 'EXE' files in windows. 

c) List three system and three application softwares. 

d) Differentiate between save and save as' options in MS-PowerPoint. 

e) Write formula in MS-excel to find records having value greater than 50. 

f) List shortcut keys for 'undo' and 'redo' in windows.

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Download "Fundamentals of Mathematical Statistics" Question Paper for BCA 1st Semester, Previous Years Question Paper for Students.

BCA-Bachelor of Computer Applications 1st Semester
Fundamentals of Mathematical Statistics

Paper : BCA-16-102

Time Allowed: Three Hours Maximum Marks: 65 

Note :-(1) Attempt one question from each unit and compulsory Question No. 9. 

(2) Use of a non-programmable calculator is allowed.

UNIT-I 

1. (a) Define Statistics. Explain various statistical techniques in detail. 7

(b) Differentiate among Arithmetic, Geometric and Harmonic Mean in detail  6

2. (a) What do you understand by Statistics ? Explain its uses and limitations in detail. 7

(b) Why Harmonic mean is calculated? Explain the methods for calculating simple HM for Discrete and Continuous series. 6

UNIT-II

3.  (a) Determine the value of Median: 7

 

(b) How mean deviation, standard deviation, and variance are calculated? Explain. 

    

4. (a) Calenlate quartiles (lower, upper) and 9 decile : 7

 

 (b) How do you compute the "Inter Quartile" and "Percentile" range? Explain 

UNIT-III 

5. (a) Why correlation analysis is required ? Explain "Scatter Diagram" and "Graphic Method" techniques in detail. 

 (b) Calculate Karl Pearson's coefficient of correlation using method of your choice : 

 

6. (a) Define Correlation Analysis. Explain various types of Correlation in detail.

(b) Find the coefficient of concurrent deviation :

 

7. UNIT-IV 

(a) What is Regression Analysis? Explain its objectives. Also, draw the difference between Correlation and Regression. 

(b) Find regression equation X = a + bY for :

8. (a) What is Regression Coefficient ? Find both the Co-efficients : 

 

(b) Define Regression. Explain its uses andlimitations. (Compulsory Question) 

9. Explain : 

(a) Central Tendency                 2

(b) Weighted Arithmetic Mean 2

(c) Weighted Geometric Mean 2

(d) Tabulation of Data 2

(e) Hexiles         2

(f) Rank Correlation 2

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Download "English (Compulsory)-A (Old)" Question Paper for BCA 1st Semester, Previous Years Question Paper for Students.

BCA- Bachelor of Computer Applications 1st Semester

Paper: English (Compulsory)-A (Old) 

Time allowed: 3 Hours Max. Marks: 65

NOTE: Attempt all questions

SECTION-A 

I. Bring out in your words the significance of the story, "The Tell-Tale Heart".

Or

Draw a character sketch of Baron Hausberg on the basis of Oscar Wilde's story, The Model Millionaire? 10

II. How was the assassination of President John F Kennedy received by the world?

OR

What did Jawaharlal Nehru, as a child, think about the behavior of the English towards Indians? 10

III. Give the summary of the poem: 

Lord Ullin's Daughter pound?

Or

(b)On the Morning of Christ's Nativity  5

(b) Give short answers to any two of the following questions:

(i) Give the central idea of the poem "Sigh No More Ladies' 

(ii) What is the poet tired within the poem, When 1 Consider Life"? 

(iii) Why did the Chieftain of Ulva's isle offer the boatman a silver 5

(c) Explain with reference to the context: 

My mother when I leam'd that thou wast dead, 

Say, wast thou conscious of the tears I shed? 

Hover'd thy spirit o'er thy sorrowing son, 

Wretch even then, life's journey just begun? 

Perhaps thou gay'st me, though unseen, a kiss 

Perhaps a tear, if souls can weep in bliss. 

Ah that maternal smile! It answer - Yes

OR

She lived unknow, and few could know 

When Lucy ceased to be; 

She is in her grave, and, oh, 

The difference to me!

SECTION-B 

IV. Change the form of any five of the following words as instructed and use the changed form in sentences on your own:

Patient (noun), sufficient (verb), noise (adjective), digest (adjective), rich (verb), scc (noun), luck(adverb), hesitate (adverb) (10)

V. Use any five of the following in sentences of your own: - 

Distinct, maiden, sprightly, extravagance, a hearty meal, mortification, obligatory, fear-ridden (10)

VI. Translate the following passage into English:

आजकल नवयुवक बेचैन और दुखी है। उनकी आवश्यकताएंबद गई है और उनके साते-सहने का सर ऊँचा हो गया है। वे अधिक वेतन वाली नौकरियां चाहते है। कुछ उच्च शिक्षा प्राप्त करने के लिए दूसरे देशों में जाते है। कुछ को व्यापार आरम्भ करने के लिए अधिक धग की आवश्यकता है। पुरानी रीतियों के लोगों के इस बोझ को और भी बढ़ा दिया है। हमें मानसिक दुख से रहित होने के लिए अपने दृष्टिकोण को बदलना चाहिए। आम बलिदान मा सिद्धान्त हमारा पश-प्रदर्शन करने वाला आदर्श होरा चाहिए। हमें अपनी इच्छाओं और आवश्यकताओं को सीमित

ਅੱਜ ਝ ਨਵਾਵਕ ਖੇਚੈਨ ਅਤੇ ਦੁਖੀ ਹਨ, ਉਨ੍ਹਾਂ ਦੀਆਂ ਲੋੜ ਵਪ ਚਖੀਆਂ ਹਨ ਅਤੇ ਉਨ੍ਹਾਂ ਦੇ ਰਹਿਣ-ਸਹਿਣ ਦਾ ਪੈਰ ਉੱਚਾ ਹੋ ਗਿਆ ਹੈ। ਉਹ ਦੇ 35ਖਾਹ ਵਾਲੀਆਂ ਨੌਕਰੀਆਂ ਚਾਹੁੰਦੇ ਹਨ। ਕੁਝ ਉੱਚ-ਖਿਆ ਪ੍ਰਾਪਤ ਕਰਨ ਦੇ ਲਈ ਦੂਸਰੇ ਦੇਸ਼ਾਂ ਵਿੱਚ ਜਾਂਦੇ ਹਨ ਉੱਪ ਨੂੰ ਵਪਾਰ ਆਰੰਭ ਕਰਨ ਦੇ ਲਈ ਯੋਰੋ ਧਨ ਦੀ ਲੋੜ ਹੈ। ਪੁਰਾਣੀਆਂ ਵੀਡਾ ਨੇ ਲੋਕਾਂ ਦੇ ਇਸ ਬੱਝ ਨੂੰ ਹੋਰ ਵੀ ਯਾ ਦਿਤਾ ਹੈ। ਸਾਨੂੰ ਇਸ ਮਾਨ ਦੂਖ ਤੋਂ ਰਹਿਤ ਹੋਣ ਦੇ ਲਈ ਆਪਣੇ ਦ੍ਰਿਸ਼ਟੀਕੋਣ ਨੂੰ ਬਦਲਣਾ ਚਾਹੀਦਾ ਹੈ। ਆਤਮ ਬਲੀਦਾਨ ਦਾ ਸਿਧਾਂਤ ਮਾੜੀ ਘੋਝਪ੍ਰਦਰਸ਼ਨ ਕ3ਨ ਵਾਲਾ ਨਿਯਮ ਹੋਣਾ ਚਾਹੀਦਾ ਹੈ ਅਤੇ ਸਾਨੂੰ ਆਪਣੀਆਂ ਜ਼ਰੂਰਤਾਂ ਅਤੇ ਇੱਛਾਵਾਂ ਨੂੰ ਸੀਮਤ ਕਰਨਾ ਚਾਹੀਦਾ ਹੈ।

(For foreign students only) 

Paraphrase the following passage:

In the glow of the glorious weather, 

In the sweet-scented, sensuous air. 

My burdens seem light as a feather 

They are nothing to bear (5)

VII. Write a letter to the Editor of a newspaper suggesting ways to ensure the safety of women in the city

Or

Write a letter to your bank asking for overdraft facilities in your account. (5)

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Download "English (Compulsory) - A" Question Paper for BCA 1st Semester, Previous Years Question Paper for Students.

BCA-Bachelor of Computer Applications 1st Semester

English (Compulsory) - A

Paper: BCA-16-101

Time Allowed: Three Hours]  [Maximum Marks: 65 

Note:- Attempt all parts of the questions together.

SECTION-A 

1. Explain how Baron Hausberg was both a millionaire model and a model millionaire.

OR 

How has Edgar Allan Poe created an atmosphere of horror in his story 'The Tell-Tale Heart'? 10

2. How does Mahatma Gandhi bring out of the power and efficacy of Prayer in his essay 'Prayer?

OR 

How does B.K. Nehru pay a glowing tribute to John F Kennedy's vision which went far beyond his own nation? 10

3. (a) Give the summary of the poem 

Sigh No More, Ladies

OR 

When I Consider Life. 5

(b) Give short answers of any two of the following questions :

(i) How was the birth of Christ a blessing for mankind? (On the morning of Christ's Nativity) 

(ii) What did Lord Ullin see on reaching the shore? 

How did he react to the situation? (Lord Ullin's Daughter) 

(iii) How were all plans of Nature, to train and educate Lucy, upset? (Lucy) 5

(c) Explain with reference to the context :

Faithful remembrances of one so dear, 

Oh welcome guest, though unexpected, here! 

Who biddist me honour with an art less song, 

Affectionate a mother lost so long.

OR 

I travelled among unknown men, 

in lands beyond the sea, 

Nor, England! did I know till then

What love I bore to thee. 

"Tis past, that Melancholy dream. 5

SECTION—B 

4. Change the form of any five of the following words as instructed and use the changed form in sentences of your own:

Speak (Noun), 

Growth(Verb), 

Luck(Adverb), 

Attract(Adjective), 

Serve(Noun), 

Power(Adjective), 

Toleration(Verb), 

Happy(Adverb),

5. Use any five of the following words and Idioms in sentences. 10

Constant, To cut off, Bounties, Kindle, As a rule, On behalf of, Extinguish, Folklore.

6. Translate the following Passage into English: 

पुस्तकें भी एक वरदान हैं। यह दुःख में, सुख में, बचपन में, जवानी में और बुढ़ापे में हर जगह हमारा साथ देती हैं। जब कष्टों और मुसीबतों के बादल हमारे जीवन को अंधकारमय बना देते हैं तब यह रोशनी के मीनार की तरह हमें रास्ता दिखाती हैं। पुस्तकें वे मित्र हैं जो जरूरत के समय हमारा साथ देती हैं। यह हमारा मनोरंजन भी करती है और हमारा ज्ञान भी बढ़ाती हैं।

OR 

Translate the following Passage into English :

ਪੁਸਤਕਾਂ ਵੀ ਇੱਕ ਵਰਦਾਨ ਹਨ। ਇਹ ਦੁੱਖ ਵਿੱਚ, ਸੁੱਖ ਵਿੱਚ, ਬਚਪਨ ਵਿੱਚ, ਜਵਾਨੀ ਅਤੇ ਬੁਢਾਪੇ ਵਿੱਚ ਹਰ ਥਾਂ ਸਾਡਾ ਸਾਥ ਦਿੰਦੀਆਂ ਹਨ। ਜਦੋਂ ਕਸ਼ਟਾਂ ਅਤੇ ਮੁਸੀਬਤਾਂ ਦੇ ਬਦੱਲ ਸਾਡੇ ਜੀਵਨ ਨੂੰ ਅੰਧਕਾਰ ਮਈ ਬਣਾ ਦਿੰਦੇ ਹਨ ਤਾਂ ਇਹ ਰੋਸ਼ਣੀ ਦੇ ਮੀਨਾਰ ਦੀ ਤਰ੍ਹਾਂ ਸਾਨੂੰ ਰਸਤਾ ਦੱਸਦੀਆਂ ਹਨ। ਪੁਸਤਕਾਂ ਉਹ ਮਿੱਤਰ ਹਨ ਜੋ ਜ਼ਰੂਰਤ ਦੇ ਵੇਲੇ ਸਾਡਾ ਸਾਥ ਦਿੰਦੀਆਂ ਹਨ। ਇਹ ਸਾਡਾ ਮਨੋਰੰਜਨ ਵੀ ਕਰਦੀਆਂ ਹਨ ਅਤੇ ਗਿਆਨ ਵੀ ਵਧਾਉਂਦੀਆਂ ਹਨ।

OR

(For Foreign Students) 

Draft paraphrasing of the following passage :

Give me the strength to raise my mind 

high above daily trifles, 

And give me the strength to surrender

My strength to thy will with love. 5

7. Write a letter to the Deputy Commissioner of your district pointing out the bad conditions of Cinema Houses in the City.

OR 

Write a letter to the Editor of a newspaper against the use of unfair means by students in Examination. 5

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Download "Computer Fundamentals and Computing Software" Question Paper for BCA 1st Semester, Previous Years Question Paper for Students.

 Bachelor of Computer Applications 1st Semester
Computer Fundamentals and Computing Software

Paper: BCA-16-103 

Time Allowed: Three Hours] [Maximum Marks: 65

Note: - (1) The question paper consists of FOUR units.

(2) The students are required to attempt ONE question from each unit and the compulsory question. 

(3) All questions carry equal marks.

SECTION—A 

1. (a) Describe various input devices of the computer system. 7 

(b) What are the different types of printers? Explain the working of the same. 6

2. (a) Mention different secondary storage devices. Explain in detail any three of them. 6

(b) Differentiate between compiler and assemblers. 7

SECTION—B 

3. (a) Write a note on following internal commands: 6

( a)  TYPE (b) VER (c) VOL  

(b) What is the role of Wildcards characters in DOS? Discuss giving example. 7

4. (a) Write a note on the following external commands: 6

(i) DELTREE (ii) RESTORE (iii) SCANDISK 

(b) What are the different types of windows? Discuss in detail. 7

SECTION—C 

5. (a) What is a template in Word Processing Package ? How is it used to create a document? 7

(b) Describe the Check Spelling and grammar option in Word. How is it useful? 6

6. (a) What are the different options to format text in a word processing package ? Discuss in detail. 7

(b) Mention the steps to create a table, list for a document in word. 6

SECTION-D 

7. (a) What are the different options to view a spreadsheet? Also discuss the various options to enter text in a cell.  7

(b) Define macro in spreadsheet package. How to create and run a macro ? 6

8.(a)What are the printing options available in spreadsheet package? How to sort the records in a spreadsheet doc? 7

(b) Mention the steps to create a presentation. How to incorporate animation using presentation ?6

Compulsory Question

9. Attempt the following questions briefly: 

(a) Define BIT and BYTE 2

(b) Define the characteristics of computer. 2

(c) What is difference between warm boot and cold boot? 2

(d) Differentiate between application software and system software 2

(e) How to create header and footer in Word ? 2

(f) Mention the steps to create indexes and bibliographies. 3

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