ENGLISH LANGUAGE COMMUNICATION SKILLS 1sem

JAN 2010 MCA 1 SEM QUESTION PAPER(JNTUK-REGULAR)

Time: 3 Hours Max Marks: 60

Answer any FIVE questions All questions carry EQUAL marks



I

(a) correct the following sentences.

i. Neither of the sisters are good at singing.

ii. He ordered for three cups of coffee.

iii. Look at the flock of bees around the hive.

iv. Of all the children, Suma is closer to her father.



(b) Write two sentences each making use of these patterns

i. Subject + Verb + Complement

ii. Subject + Verb + I.O + D.O



(c) Fill in the blanks with the correct verb forms

i. Most snakes ________(lay) eggs, but the python ________(give) with to young

ones.

ii. Rajiv_______(have) two children, who _______(go) to an English medium

school.

iii. Swetha______(has) played tennis for the last the two hours.

iv When the principal_____(go) into the classroom, he________(see) the teacher

correcting test papers. The students _______(study) for the next day’s test.



II

(a) Write about Non-Verbal communication.

(b) Bring out the differences between formal and informal ways of conversations.



III

(a) Write the Synonyms of the following.

i. Concise

ii. Benign

iii. Adamant

iv. Tedious



(b) Fill in the blanks with suitable words

i. Can you _________ how this electric pump works.

ii. Could you ____________ the child’s shoe laces please.

iii. They worry a lot __________ you.

iv The _________ in temperature will affect all life on the planet.



(c) Write a paragraph on “A stitch in times saves nine”.



IV

(a) Discuss the features of video conferencing.

(b) What are the expected qualities of a chair person?



V

(a) Discuss the types of interviews.

(b) Give the ways to deal with open and loaded questions.



VI

(a) Discuss the problem of stage fright. Suggest some measures to overcome it.

(b) Write down the advantages of written communication over oral communication.



VII

(a) Write a letter to a Railway company, complaining that your furniture has been damaged

in transit, and claiming damages.

(b) What are the advantages of e correspondence?



VIII Write short notes on

(a) Types of Report.

(b) Components of Report





JAN2010 MCA 1 SEM QUESTION PAPERS(JNTUK-SUPPLY)

Time: 3 Hours Max Marks: 60

Answer any FIVE questions All questions carry EQUAL marks



I a) Correct the following sentences

i) The state of affairs were causing anxiety.

ii) I have an important work to do.

iii) I wish I was the king.

iv) The picture was hanged on the wall.



b) Fill in the blanks with suitable verb forms

i) I ___________ (buy) a new bicycle last week.

ii) This paper _____________(appear) twice weekly.

iii) I __________(study) English for five years.

iv) I __________(see) Rahim at the zoo.



c) Make two sentences on each of the patterns

i) Subject + Verb + Direct Object

ii) Subject + Verb + That Clause



d) Explain the following idioms and phrases. Use in your own sentences.

i) To eat humble pie

ii) Look down

iii) Put out

iv) Turn a deaf ear to.



II a) What are the competencies required for Verbal Communication?

b) What are the elements of Non Verbal Communication?



III a) Explain the meaning of the roots:

i) Intra-

ii) Mega

iii)Bi-

iv) Poly



b) Give one word substitutes of the following

i) A Coin collector

ii) Belief in one God

iii) A beginner in an art or occupation

iv) Government in the hands of one ruler



c) Write the antonyms of the following

i) Benevolent

 ii)P Vulnerable

iii) Deny

iv) Safe



d) Fill in the blanks with suitable words

i) Modern science has made __________ advance.

a) incredible b) illegible c) legitimate d) objective          [ ]



ii) I saw a ________ of sheep in the field.

a) group b) fleet c) flock d) herd                                  [ ]



iii) A _______ man will never stoop to meanness.

a) sensible b) bad c) cunning d)insane                          [ ]



iv) Many classes of animals have become ________ because of rapid

urbanization.

a) Dead b) unavailable c) extinct d) lost.                      [ ]



IV

a) What are the forms of oral presentation?

b) Bring out the differences between oral and written presentation



V

a) Write some of the pre-interview preparation techniques

b) Discuss the type of interview questions



VI

a) Discuss the features of effective writing skills

b) Write a paragraph on watching television does more harm than good to viewers



VII

a) Write a letter to the manager of the bank where you hold an account, asking for a

statement of accounts for the last three months?

b) Discuss the advantages of e-correspondence?



VIII Write short notes on:

i) Technical Report Writing

 ii) Synopsis







ACCOUNTING AND FINANCIAL MANAGEMENT -I sem

JAN 2010 MCA I SEM QUESTION PAPERS(JNTUK-REGULAR)
Time: 3 Hours Max Marks: 60


Answer any Five Questions All questions carry EQUAL marks



1. What are the basic Accounting Concepts? Explain the debit and credit principles.



2. Is it necessary to prepare the Trail Balance before preparing the Financial Statements?

Why the trail balance will not agree? Explain the reasons.



3. What is leverage ratio? How do you understand financial leverage through debt-equity

ratio?



4. The credit purchase of a company is Rs. 2, 00,000. The amount payable to the creditors

at the beginning and end of the year is Rs.42, 500 and Rs. 57,500respectively. Determine

the creditors turnover ratio and creditors payment period.



5. How do differentiate the Financial Accounting from Cost Accounting and Management

Accounting?



6. What is Standard Costing? Explain various types of Material variances.



7. Find out break-even point from the following:

(a) Fixed cost Rs. 20,000 variable cost Rs.2 per unit, selling price Rs.4 per unit

(b) Sales Rs.6, 000 variable cost Rs.3, 600 picture cost Rs .2, 000.

(c) Sales Rs.4, 000 variable cost Rs.2, 400 profit Rs.400.



8. From the following particulars determine funds from operation:

Rs

Net loss 10,000

Depreciation on machinery 15,000

Amortisation of good will 10,000

Loss on sale of plant 5,000

Profit on sale of land 8,000

Provision for bad debts 1,000





JAN 2010 MCA I SEM QUESTION PAPERS(JNTUK-SUPPLY)

Time: 3 Hours Max Marks: 60

Answer any FIVE questions All questions carry EQUAL marks



1. Explain “Funds from operation”, How it is computed?



2. What is the difference between profit Maximization and Wealth Maximization?



3. Differentiate the Master files and Transaction files?



4. What is Double entry system? How it is different from the single entry system? Explain

the advantages in Double Entry system over Single Entry system.



5. Explain the role of accountant in modern organization. What are accounting conventions

are to be followed while preparing the Final Accounts?



6. What are the elements of costs? Explain the terms with appropriate examples.



7. (a) The Fixed cost for the year is Rs.40, 000. Variable cost per unit for the single product

being made is Rs.2. Each unit sells at Rs.10.You are required to calculate the break -even

points.

(b) It has been found that Rs.80, 000 will be the likely sales turnover for the next budget

period. The cost and the selling price remain the same. Calculate the estimated

contribution.

(c) A profit target of Rs.30, 000 has been budgeted. Calculate the turn over required



8. Find out break-even point from the following:

(a) Fixed cost Rs.20, 000 variable cost Rs.2 per unit, selling price Rs.4 per unit.

(b) Sales Rs.6000 variable cost Rs.3, 600 picture cost Rs.2, 000.

(c) Sales Rs.4000 variable cost Rs.2, 400 profit Rs.400.







JAN 2010 MCA I SEM QUESTION PAPERS(JNTUK-SUPPLY)
Time: 3 Hours Max Marks: 60


Answer any FIVE questions All questions carry EQUAL marks



1. What is the Double entry system? How it is different from the single entry system?

Explain the advantages in Double Entry system over Single Entry system.



2. Explain the role of accountant in modern organization. What are the accounting

conventions are to be followed while preparing the Final Accountants.



3. What are the elements of costs? Explain the terms with appropriate examples.



4. What is the difference between Trail Balance and Balance Sheet?



5. What are the various stages of Accounting Process? Explain various basic Accounting

Concept which effect the Double Entry System.



6. What is Standard Costing? How you calculate Material Variances



7. From the following particulars determine funds from operation:

Rs

Net Loss 10,000

Depreciation on machinery 15,000

Amortization of good will 10,000

Loss on sale of plant 5,000

Profit on sale of land 8,000

Provision for bad debts 1,000



8. From the following particulars ,find out the new selling price per unit if B.E.P. is to be

brought down to 9,000 units

Variable cost per unit = Rs.125

Fixed expenses = Rs.2, 70,000

Selling price per unit = Rs .150

PROBABILITY AND STATISTICAL APPLICATIONS





JAN 2010 MCA I-SEM QUESTION PAPERS(JNTUK-REGULAR)
Time: 3 Hours Max Marks: 60
Answer any FIVE questions All questions carry EQUAL marks


1. (a) State and Prove the Bayes Theorem.
(b) A and B enter into a bet according to which ‘A’ will get Rs.200 if it rains on that day
and will lose Rs.100 if it does not rain. The probability of raining on that day is 0.7.
What is mathematical expectation of A?


2. (a) Define Binomial distribution and derive the first four moments of a binomial
distribution
(b) The diameter of an electric cable is assume to be a continuous variate with P.d.f.
f(x) = 6x(1-x),
0 x 1. Verify that the above is P.d.f. also find the mean and variance


3. Define a normal Random Variable & derive the properties of normal distribution


4. (a) Derive the Characteristic function of a Poisson distribution
(b) State & prove the Central limit theorem


5. (a) Define a Student ‘t’. Explain the t-test for single mean .
(b) A sample of 400 male students is found to have a mean height of 171.38 cms . Can it
Reasonably regarded as a sample from a large population with mean height 171.17 cms
and standard deviation 3.30 cms?(use 5% level of significance)


6. (a)Explain the F-test for equality of population variances.
(b)Elapsed times for a synthetic job were measured on two different computer systems.
The sample sizes for the two cases were 15 each and the sample means and sample
Variances were computed to be
x =104 seconds y=114 seconds
Sx2 =290 Sy2=510
Test the hypothesis that the population means μx=μy, against the alternative μx < μy.


7. (a) Explain the principle of Least-Squares.
(b) Fit a Second degree curve for the following data
X : 2 3 4 5 6 7
Y: 5 9 18 26 35 50


8. (a)Explain the role of P-charts in statistical quality control
(b) Explain the characteristics of M/M/1 model




JAN 2010 MCA I-SEM QUESTION PAPERS(JNTUK-SUPPLY)
Time: 3 Hours Max Marks: 60


Answer any FIVE questions All questions carry EQUAL marks



1. (a) If the probability that a communication system will have high fidelity is 0.91 and the

probability that it will have high fidelity and selectivity is 0.17. What is the probability

that a system with high fidelity will also have high selectivity?

(b) State and prove Bayes theorem.



2. (a) A continuous random variable has the probability density function









Determine (i) k (ii) Mean (iii) Variance

(b) Find the mean and variance of the uniform probability distribution

given by f(x)=1/n for x=1,2,3,…..n



3. (a) Find the Poisson approximation to the binomial distribution.

(b) A random sample of size 100 is taken from an infinite population having mean 76

and variance 256. What is the probability that sample mean lies between 75 and 78.



4. (a) A normal population has a mean of 0.1 and standard deviation of 2.1. Find the

probability that mean of a sample of size 800 will be negative?

(b) A random sample of size 36 from a normal population has the mean 47.5 and standard

deviation 8.4. Doe this information support or refuse the claim that mean of the

population is 42.1.



5. (a) Describe the method of maximum likelihood for the estimation of unknown

parameters. State the important properties of maximum likelihood estimators.

(b) A coin is tossed 950 times and head turned up 180 times. Is the coin biased?



6. What is meant by (a) a test of null hypothesis? (b) Type I and type II errors (c) Explain

the terms one-tail and two-tail tests?



7. (a) In a random sample of 400 industrial accidents, it was found that 231 were due to

least unsafe working conditions. Construct a 99% confidence interval for the

corresponding proportion.

(b) Obtain a relation of the form y= a.b x for the following data by the method of least

squares.

x  2     3     4       5       6

y 8.4 15.1 33.1 65.2 127.4



8. (a) The following data pertain to the number of jobs per day and the central processing

unit time required.

No. of jobs  1  2  3  4  5

CPU time     2  5  4  9 10

Fit a straight line. Estimate the mean CPU time at x= 3.5

(b) Find the correlation coefficient of the following data

x 10 12 18 24 23 27

y 12 20 12 25 35 10





JAN 2010 MCA I-SEM QUESTION PAPERS(JNTUK-SUPPLY)

Time: 3 Hours Max Marks: 60
Answer any FIVE questions All questions carry EQUAL marks



1. a) Two aeroplanes bomb a target in succession. The probability of each correctly scoring

a hit is 0.3 and 0.2 respectively. The second will bomb only if the first misses the target.

Find the Probability that (i) target is hit (ii) both fails to score hits?

b) State and prove Baye’s theorem?



2. a) Define random variable, discrete probability distribution, continuous probability

distribution and Cumulative distribution?

b) A random variable X has the following probability function:

X 4 5 6 8

P(x) 0.1 0.3 0.4 0.2

Determine (i) Expectation (ii) Variance (iii) Standard Deviation?



3. a) Fit a Poisson distribution for the following data and calculate the expected frequencies?

x 0 1 2 3 4

f(x) 109 65 22 3 1

b)If the masses of 300 students are normally distributed with mean 68kgs and standard

deviation 3kgs, how many students have masses

(i) Greater than 72kg

(ii) Less than or equal to 64kg

(iii) Between 65 and 71kg inclusive?



4. a) A random sample of size 100 is taken from an infinite population having the mean =

76 and the variance 2 = 256. What is the probability that will be between 75 and 78?

b) The mean voltage of battery is 15 and S.D. is 0.2. Find the probability that four such

batteries connected in series will have a combined voltage of 60.8 or more volts?



5. a) Experience had shown that 20% of a manufactured product is of the top quality. In one

day’s production of 400 articles only 50 are of top quality. Test the hypothesis at 0.05

level?

b) An ambulance service claims that it takes on the average less than 10 minutes to reach

its destination in emergency calls. A sample of 36 calls has a mean of 11 minutes and the

variance of 16 minutes. Test the significance at 0.05 level?



6. a) In one sample of 8 observations the sum of the squares of deviations of the sample

values from the sample mean was 84.4 and in the other sample of 10 observations it was

102.6. Test whether this difference is significant at 5% level?

b) Find the maximum difference that we can expect with probability 0.95 between the

means of samples of sizes 10 and 12 from a normal population if their standard

deviations are found to be 2 and 3 respectively?



7. a) Obtain the rank correlation coefficient for the following data

X 68 64 75 50 64 80 75 40 55 64

Y 62 58 68 45 81 60 68 48 50 70

b) Consider the following data on the number of hours which 10 persons studied for a test

and their scores on the test:

Hours Studied(x)   4   9 10 14   4  7  12 22  1 17

Test Score (y)     31 58 65 73 37 44 60 91 21 84



8. What is meant by Statistical Quality Control? The following data provides the values of

sample mean and the Range R for ten samples of size 5 each. Calculate the values for

central line and control limits for mean-chart and range-chart, and determine whether the

process is in control.

Sample

No              1     2      3      4      5     6     7       8     9     10

Mean        11.2 11.8 10.8 11.6 11.0 9.6 10.4  9.6 10.6 10.0

Range (R)    7     4      8      5      7    4      8       4    7      9

DISCRETE STRUCTURES AND GRAPH THEORY

JAN 2010-MCA I SEM QUESTION PAPER(JNTUK)

Time: 3 Hours Max Marks: 60

Answer any FIVE questions All questions carry EQUAL marks



1. a) Find the conjunctive normal form and disjunctive normal forms for

i) p (p¢Úq¢)

ii) (pÚq¢)® q

b) Determine the contra positive of the each statement

i) If john is a poet, then he is poor.

ii) Only if Marc studies well he pass the test



2. a) Express the following statements using quantifiers. Then construct the

negation of the statement

i) Every bird can fly

ii) Some birds can talk

b) Prove that if n is an integer and n3+5 is odd then n is even.



3. Let R be a binary relation on the set of all positive integers such that

R = { (a,b)/ a-b is an add positive integer}

Is R Reflexive? Symmetric? Antisymmtric? Transitive? An equivalence

relation? A partial ordering relation?



4. a) let (A, *) be a semi group. Show that, for a, b, c in A, if a*c=c*a and

b*c=c*b, then (a*b)*c = c* (a*b)

b) Let f and g be homomorphism from a group (G, +) to a group (H,*). Show

that (C,+) is a subgroup of (G,+), where C={ xÎ G\ f(x)=g(x)}



5. a) Find the sum of all four digit numbers that can be obtained by using (without

repetition) the digits 2, 3,5 and 7.

b) Enumerate the number of ways of placing 20 indistinguishable balls in to 5 boxes

where each box is non empty.



6. a) Solve the recurrence relation tn = 4(tn-1 – tn-2 ) subject to initial condition

tn=1 for n=0 and n=1

b) What is an nth order linear homogenous recurrence relation with constant

coefficients? Give examples



7. a) What are the necessary and sufficient conditions to specify that two

graphs are isomorphic. Explain with an example.

b) Briefly explain Prim’s algorithm for minimum spanning trees.



8. Give example for each of the following

i)Graph having Euler’s circuit

ii)Graph having Hamiltonian circuit

 
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