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This video tutorial will tell you how to use the math type to write the questions in computer

Virtual University Preparation is very easy way. The most importatnt points are given below.

Find the paper here and post your paper at

www.vuhelp.com/forum inside the exam forum.

Time Allowed: 90 Minutes

Please read the following instructions carefully before attempting any

question:

1. This examination is closed book, closed notes, closed neighbors.

2. Answer all questions.

a. There is no choice.

b. You will have to answer correctly all questions in this

examination to get the maximum possible marks.

3. Do not ask any questions about the contents of this examination

from anyone.

a. If you think that there is something wrong with any of the

questions, attempt it to the best of your understanding.

b. If you believe that some essential piece of information is

missing, make an appropriate assumption and use it to solve

the problem.

4. Choose only one choice as your answer in the multiple choice

questions.

a. If you believe that two (or more) of the choices are the correct

ones for a particular question, choose the best one.

b. On the other hand, if you believe that all of the choices

provided for a particular question are the wrong ones, select

the one that appears to you as being the least wrong.

**WARNING: Please note that Virtual University takes serious note of unfair

means. Anyone found involved in cheating will get an `F` grade in this course.

Question No. 1 Marks : 2

Which of the following is most affected by voice?

QAM

ASK

FSK

PSK

Question No. 2 Marks : 14

One of the disadvantages of using point to point (Mesh) network is that the number of

connections grows more rapidly as the number of computers increase. Find the number

of connections needed to be used in point to point (Mesh) topology in network of 10 and

than 40 computers. Also find that how many I/O ports are needed for each device in both

cases. Also write formulas used to solve this question?

Question No. 3 Marks : 10

Write details of the following functions of data link layer with respect to OSI model.

a) Physical Addressing.

b) Access Control.

Question No. 4 Marks : 2

The __________ layer is the layer closest to the transmission medium.

Physical

Data Link

Network

Transport

Question No. 5 Marks : 2

The information to be communicated in a data communication system is the

___________.

Medium

Protocol

Message

Transmission

Question No. 6 Marks : 2

In ________________ transmission a timing of signal is unimportant.

Synchronous

Asynchronous

Both

None of these

Question No. 7 Marks : 10

We want to digitize the human voice. What is the bit rate, assuming 8 bits per sample?

Also write formulas used to solve this question.

Question No. 8 Marks : 16

Encode the given bit stream using Manchester encoding scheme.

0 0 0 1 1 1 0 0

Question No. 9 Marks : 2

Amount of time a signal needs to complete one cycle is ____________

Frequency

Period

Phase

Bandwidth

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Find the paper here and post your paper at

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Midterm paper patron of cs601

Please read the following instructions carefully before attempting any question:

1. This examination is closed book, closed notes, closed neighbors.

2. Answer all questions.

a. There is no choice.

b. You will have to answer correctly all questions in this examination to

get the maximum possible marks.

3. Do not ask any questions about the contents of this examination from

anyone.

a. If you think that there is something wrong with any of the questions,

attempt it to the best of your understanding.

b. If you believe that some essential piece of information is missing, make

an appropriate assumption and use it to solve the problem.

4. Choose only one choice as your answer in the multiple choice questions.

a. If you believe that two (or more) of the choices are the correct ones for

a particular question, choose the best one.

b. On the other hand, if you believe that all of the choices provided for a

particular question are the wrong ones, select the one that appears to

you as being the least wrong.

**WARNING: Please note that Virtual University takes serious note of unfair means.

Anyone found involved in cheating will get an `F` grade in this course.

For Teacher's use only

Question 1 2 3 4 5 6 7 8 Total

Marks

Question No: 1 ( Marks: 15 )

Briefly explain Transmission Tasks.( to the point and brief)

Question No: 2 ( Marks: 10 )

Explain briefly the mechanical and functional specifications of EIA 232.

Question No: 3 ( Marks: 20 )

Compare Digital Data Transmission methods and Bipolar encoding techniques.

Question No: 4 ( Marks: 2 ) - Please choose one

A null modem is used between two DTE.

.

True

.

False

Question No: 5 ( Marks: 2 ) - Please choose one

Serial transmission is more speedy then parallel transmission.

.

True

.

False

Question No: 6 ( Marks: 2 ) - Please choose one

Transport layer is responsible for

.

entire message delivery

.

each packet delivery

.

End to end delivery

Question No: 7 ( Marks: 2 ) - Please choose one

Which transmission method is less costly

.

serial

.

parallel

.

synchronous

Question No: 8 ( Marks: 2 ) - Please choose one

DB25 and DB9 are the mechanical specifications of

.

RS232

.

EIA232

.

EIA 530

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Vuexpert

Find the paper here and post your paper at

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1. This examination is closed book, closed notes, closed neighbors.

2. Answer all questions.

a. There is no choice.

b. You will have to answer correctly all questions in this examination to

get the maximum possible marks.

3. Do not ask any questions about the contents of this examination from

anyone.

a. If you think that there is something wrong with any of the questions,

attempt it to the best of your understanding.

b. If you believe that some essential piece of information is missing, make

an appropriate assumption and use it to solve the problem.

You are allowed to use only MS Word for drawing Diagrams and Symbols.

**WARNING: Please note that Virtual University takes serious note of unfair means.

Anyone found involved in cheating will get an `F` grade in this course.

For Teacher's use only

Question 1 2 3 4 5 6 7 8 9 10 Total

Marks

Question 11 12 13 14 15 16 17 18

Marks

Question

Marks

Question No: 1 ( Marks: 1 ) - Please choose one

Length of a null string is supposed to be 1.

.

True

.

False

Question No: 2 ( Marks: 1 ) - Please choose one

There is no difference between Word and String

.

True

.

False

Question No: 3 ( Marks: 1 ) - Please choose one

There may be two RE representing the same language.

.

True

.

False

Question No: 4 ( Marks: 1 ) - Please choose one

NFA – null can be considered as TG and vise versa.

.

True

.

False

Question No: 5 ( Marks: 1 ) - Please choose one

. = {aA, b}, length(aAbaAaAb) = 5.

.

True

.

False

Question No: 6 ( Marks: 1 ) - Please choose one

If s=abcd is a string defined over . = {a,b,c,d} then reverse of s is dcba.

.

True

.

False

Question No: 7 ( Marks: 1 ) - Please choose one

The language equal means number of a’s and b’s are equal with no null string.

.

True

.

False

Question No: 8 ( Marks: 1 ) - Please choose one

Palindrome is a regular language.

.

True

.

False

Question No: 9 ( Marks: 1 ) - Please choose one

If s = babab then palindrome of s = rev(s).

.

True

.

False

Question No: 10 ( Marks: 1 ) - Please choose one

TG must have only one start state.

.

True

.

False

Question No: 11 ( Marks: 1 ) - Please choose one

If a language can be accepted by FA then it can be accepted by a TG as well.

.

True

.

False

Question No: 12 ( Marks: 1 ) - Please choose one

Length of output string is 1 less then that of input string is mealy machine.

.

True

.

False

Question No: 13 ( Marks: 1 ) - Please choose one

Formal languages are called Semantic languages.

.

True

.

False

Question No: 14 ( Marks: 1 ) - Please choose one

Every NFA can be converted to an FA

.

True

.

False

Question No: 15 ( Marks: 1 ) - Please choose one

In mealy machine output character are mentioned on the transition.

.

True

.

False

Question No: 16 ( Marks: 8 )

Differentiate between the following terms:

• Mealy and Moore machine.

• NFA and FA.

Question No: 17 ( Marks: 5 )

Build an FA corresponding to NFA given below.

b

b

a

+q3

q1

q0

Question No: 18 ( Marks: 7 )

Build an NFA equivalent to FA1U FA2, where FA1, FA2 are given below.

FA1

a,b

a

b

a

b

p- + q

FA2

a

1–

3

6+

2

3

4

5

a

a

a,b

b

b

b

a b

b

a

If you have any kind of paper kindly do send us at

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regards

Vuexpert

Find the paper here and post your paper at

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Paper patron of CS402 Theory of Automata

Question No. 1 Marks : 1

If s=abcd is a string defined over . = {a,bc,d} then reverse of s is dcba.

True

False

Question No. 2 Marks : 10

Find the regular expression associated to the following FA. Show all steps.

[Hint: use FA to GTG and GTG to RE.]

Question No. 3 Marks : 1

. = {aa, b}, length(aaaabaabb) = 5.

True

False

Question No. 4 Marks : 1

Every NFA can be converted into FA.

True

False

Question No. 5 Marks : 1

There can be more than one start states in TG.

True

False

Question No. 6 Marks : 1

A regular language can not be infinite.

True

False

Question No. 7 Marks : 10

a) Write the recursive definition of the following language. [6]

L = Defining the language {a2n b4n }, n=1,2,3,… , of strings defined over Ó={a, b}

b) Write a regular expression of the language having strings that either start or end with

“00” and have no more zeroes. Where the alphabet is {0, 1}. [4]

Question No. 8 Marks : 1

Kleene star of {1} generates {1, 11, 111, 1111, 11111 ……}.

True

False

Question No. 9 Marks : 10

a) Define NFA-null. [4]

b) Draw DFA for the following NFA. [6]

Question No. 10 Marks : 1

If a regular language is empty then we denote it like L = . (fi).

True

False

Question No. 11 Marks : 1

Recursive method for defining language is only for regular languages.

True

False

Question No. 12 Marks : 1

aa* = a+ ?

True

False

Question No. 13 Marks : 1

The language equal means number of a’s and b’s are equal with null string.

True

False

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Paper patron of MTH302 - BUSINESS MATHEMATICS & STATISTICS

Find the paper here and post your paper at

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3- Attempt all the questions on one Excel Worksheet (use only sheet 1) to solve all

the questions. More than one sheet is not acceptable. If you solve any question on

sheet2, sheet3 and so on, it will not be graded.

4- Solve the questions on excel worksheet in usual manner i.e. from upward to downward

not from left to right.

5- Variables (say x, y, and z) are given in the questions you can assign any value to variable

within the range mentioned in the questions.

(e.g. A man sells shirts of Rs x and he gets a profit of 10%. Then find the profit. (25000<30000)

Solution: Here we can take x as any value between 25000 to 30000.

Take x = 26000

Profit = 26000*10/100 = 2600 Rs Answer

Or

Take x = 26500

Profit = 26500*10/100 = 2650 Rs Answer )

6- Attempt all questions. Marks are written adjacent to each question.

7- Do not ask any questions about the contents of this examination from anyone.

If you think that there is something wrong with any of the questions, attempt it to the best

of your understanding.

If you think that some essential piece of information is missing, make an appropriate

assumption and use it to solve the problem.

8- Write all steps, missing steps may lead to deduction of marks.

9- The main restriction for Take Home Exams is that it must be your own work–you must

attempt it by yourself without any outside help. You can't copy chunks of text directly from

textbooks or notes. This counts as plagiarism.

10- If you do not solve paper on Excel Sheet, you will get a zero mark. So paper on Word

files or any format other than Excel will not be graded.

**WARNING: Please note that Virtual University takes serious note of unfair means.

Anyone found involved in cheating shall get an `F` grade.

For Teacher's use only

Question 1 2 3 4 Total

Marks

Question No: 1 ( Marks: 25 )

Things to remember

Successive Discount is the discount which is calculated on the previously discounted value.

Cash Discount is the discount offered by an agreement in favor of returning the credit in

time.

In the marketing chain described in lectures, there are more than one person between the

manufacturer and the end user. Let us define this chain as

Manufacturer Distributor Wholesaler Retailer Buyer

Suppose you are CEO of a manufacturing company of plastic canes, bottles, and boxes and being

CEO, you have to take all the decisions. Today, you have received an order of x units from one of

your regular clients. You have to consider operating expenses, Gross profit, and depreciation

allowance of the assets. (990<1010)

To carry out this order you buy raw material costing Z and by agreement after paying 20% in cash

if rest of the amount will be paid within 20 days of delivery, you will get 3% discount. If you delay

it you will be liable to pay 14% annual interest on the amount you were liable to pay. Suppose, the

whole product you sell as a retailer is making more net profit of 5% (more than expected) on sale

price. (1000000<1200000)

Since, you as a manufacturer cannot directly approach to end user you have to follow marketing

chain described above.

Each identity in the marketing chain excluding you (Manufacturer) in the year2006, assigns the

mark up rates i.e. 6%,7%,8% by the distributor, wholesaler and retailer respectively on their cost.

This year, the default change in markup rates will be same as done by you (i.e. 10% explained

later). But each identity in marketing chain is also adding its own markup on its last year’s selling

price. Let this markup uniform for each as 2% i.e. a total of 12%.

Your product available in a large quantity at one of your outlets is troubling you as a Retailer. Then

you decide to carry out successive discounts with specific time intervals. During the first week, the

discount rate was 9% on the tag price. During the second week, it was 12% and then 18% in third

week.

a) Now separately assign each expense a certain percentage not exceeding 20%. Last year

average sale price of product was Y rupees per unit which could be 10 % more than this

year as markup due to the increased goodwill of your company. Calculate each expense on

the increased sale price. Find the sale price that you will offer as manufacturer. (65<75)

b) If you deposit the amount you were liable to pay for raw material with net profit you earned

as Retailer into a saving account which pays 13% annual interest. Whether the amount

should be returned now or deposited for 10 years? Construct the data properly defining

each step then justify your answer logically.

c) Formulate the sale prices offered by each identity in marketing chain for the year 2006 and

2007.

d) Since you have obtained the list price as a Retailer find the sale price after successive

discounts weekly. If the rates are considered as series discounts, then find single discount

rate that is equivalent to the series. Also find the net price of the unit at that rate considering

the original retailer’s price.

Question No: 2 ( Marks: 5 )

Sub scenario

Being the owner of this manufacturing plant you have a complete hierarchy of employees

consisting of MD (Managing Director) 3 Supervisors and 21 skilled laborers. You can pay only

30% of the profit as salaries of your employees. The profit you earned is supposed to be Z. If the

gross salary of the skilled labor is x, which of supervisor is two times than that of laborer and that

of MD is three times than that of laborer. Calculate the Gross salary of each of the person working

at your plant. Formulate complete pay roll i.e allowances and benefits that you will offer.

(1000000<1200000)

Question No: 3 ( Marks: 5 )

You took a loan of L and have to pay it off at 12% annual interest rate in payments of 12 years.

First, calculate the payment per period at the end of each period. Now when you pay it back with

interest in this manner, you will be paying a certain part of Principal amount as well as interest at

each payment. Here you are required to find interest and principal amount paid at each payment

period. Show it in columns and in the end find the cumulative interest and principal you paid. Keep

this thing in mind that the entity that gives you loan will take interest at the outstanding loan after

each period. (200000<210000)

Question No: 4 ( Marks: 10 )

Five diabetic patients in a hospital each require three kinds of insulin injections each day. The

amount of the 1st kind of insulin given to five patients is 10 units, 40 units, 30 units, 20 units and

10 units respectively. The amount of the 2nd kind of insulin given to five patients is 20 units, 20

units, 10 units, 10 units and 10 units respectively. The amount of the 3rd kind of insulin given to

five patients is 30 units, 5 units, 5 units, 20 units and 10 units respectively. If patient 1 plans to stay

x days, patient 2 stays 3x days, patient 3 stays 2x days, patient 4 stays x days, and patient 5 stays x

days. (5<11)

Find the matrix made by insulin of 5 patients and calculate its inverse if possible. How much of

each type of insulin must the medical staff have on hand?

If you have any kind of paper kindly do send us at

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regards

Vuexpert

Find the paper here and post your paper at

www.vuhelp.com/forum inside the exam forum.

Maximum Time Allowed: (One& half hour)

Please read the following instructions carefully before attempting any of the

questions:

1. Attempt all questions. Marks are written adjacent to each question.

2. Do not ask any questions about the contents of this examination from anyone.

a. If you think that there is something wrong with any of the questions, attempt it

to the best of your understanding.

b. If you believe that some essential piece of information is missing, make an

appropriate assumption and use it to solve the problem.

c. Write all steps, missing steps may lead to deduction of marks.

d. Attempt all the questions on Excel sheet and use only one excel sheet to solve

all the questions. More then one sheets are not acceptable

e. Solve the questions on excel sheet in usual manner i.e. from upward to

downward not from left to right.

**WARNING: Please note that Virtual University takes serious note of unfair

means. Anyone found involved in cheating will get an `F` grade in this course.

For Teacher’s use only

Question Q1 Q2 Q3 Q4 Total

Marks

Question No: 1 Marks 15

Short Questions:

Uses, suitable excel function, to complete these short questions.

i) Find the utility and provident fund, if the basic salary is 35000 (3.5)

ii) Find average using Excel Function of these values 51,27,9,17 (3.5)

iii) Calculate the determinant of (4)

1 3 2

3 2 0

4 5 6

. .

..

. .

. .

..

iv) Ali buy ice cream for 10 Rs, he wants to sell to his friend for 15 Rs, What is the markup in Rs?

(4)

Question No: 2 Marks: 10

If FC=4345Rs, VC=Rs 165, S=194, Capacity=410 units. What unit sale will generate NI of Rs. 2500? Note

that unit sold is 141.

Question No: 3 Marks:10

Find multiplication of A & B and inverse of the matrix A, written below.

A = , B =

2 0 1

3 4 5

1 3 1

. .

..

. .

. .

..

1 0 1

0 4 0

2 1 3

. .

. .

. .

. .

. .

Question No: 4 Marks : 5

The annual rate of interest is 9%. The period of the loan is 27 years. The present value is, 1150000

Rs. Calculate using CUMIPMT Excel function total interest paid in the second year of payments, for

periods 10 through 25.What is the interest paid in a single payment in the first month?

n No: 3

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