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22102137 merged - failure is not the end
Bachelor of Computer Applications (BCA2020)
Mahatma Gandhi University
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QP CODE: 22102137 Reg No : .....................
Name : .....................
B/BCA DEGREE (CBCS) REGULAR / IMPROVEMENT / REAPPEARANCE
EXAMINATIONS, JULY 2022
First Semester
Core Course - CS1CRT01 - COMPUTER FUNDAMENTALS AND DIGITAL
PRINCIPLES
(Common to B Computer Applications Model III Triple Main, Bachelor of Computer Applications) 2017 Admission Onwards 3BA57B7A Time: 3 Hours Max. Marks : 80 Part A Answer any ten questions. Each question carries 2 marks.
- Distinguish between data and information.
- What does an image scanner do?
- Explain Network Operating system.
- What is CAN?
- What are the rules for binary addition?
- What are BCD numbers?
- Prove AB +A ̅ C+BC=AB +A ̅ C
- State the Principle of Duality.
- Define Maxterm.
- What is the need of a half adder?
- List out two types of multiplexing.
- What is a register? (10×2=20) Part B Answer any six questions. Each question carries 5 marks.
22102137
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Explain any two high quality printer.
Explain the working of Internet.
Explain any two internet based applications.
How to represent decimal numbers 0 to 15 in 4-bit binary form.
Perform the Subtraction using 2’s complement method (a) 00111010 - 00011011 (b) 00010010 - 111101111
Draw Kmap and simplify the following boolean expression. f(A,B,C,D)=∑(3,4,5,6,7,11,12,13,14,15)
What are parity bits? Explain its use.
Explain Octal to Binary encoder.
Explain the J-K flip flop with proper circuit diagram & truth table. (6×5=30) Part C Answer any two questions. Each question carries 15 marks.
Explain the different types of computers for individual users.
Explain with examples; Conversion-From Decimal to (a) binary (b) octal ( c) hexadecimal
Using Kmap simplify f=∏M(2,8,9,10,11,12,14) Realize the reduced expression using NOR gates.
What is a flip flop? Explain any three types of flip flops. (2×15=30)
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(10×2=20)
Part B Answer any six questions. Each question carries 5 marks.
Explain high level language along with its merits and demerits.
Write notes on a) Characteristics of a good programming language. b) Factors for selecting a language for coding an application.
Why do you mean by type modifier? What are the different type conversions possible in C? Explain with example.
Explain printf() and scanf() statements in C.
Write a C program to perform the functions of arithmetic operations of a calculator using switch statement.
What are the possible arithmetic operations with pointers? Explain with suitable example.
Explain how to pass array as argument to function with example.
How recursion differ from iteration? Give example.
Write short note on typedef statement and its use in defining user defined data types. (6×5=30) Part C Answer any two questions. Each question carries 15 marks.
Explain with examples (a)Algorithm and its characteristics (b) Flow chart with its advantages and disadvantages.
What are the different types of operators supported by C? Explain each.
Write a C program to pass an array of integers to a function and find its sum of elements.
What is arrays of structures? Explain with example. (2×15=30)
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QP CODE: 22102353 Reg No : ..................... Name : ..................... B/BCA DEGREE (CBCS) REGULAR / IMPROVEMENT /REAPPEARANCE EXAMINATIONS, JULY 2022 First Semester Complementary Course - MM1CMT03 - MATHEMATICS - DISCRETE MATHEMATICS (I) (Common to B Computer Science Model III, Bachelor of Computer Application,B Cyber Forensic Model III) 2017 Admission Onwards FB3972CA Time: 3 Hours Max. Marks : 80 Part A Answer any ten questions. Each question carries 2 marks.
- Define simple and compound propositions with examples.
- What are the negations of the statements
- Define an argument, premises and conclution.
- Stat Divition algoritham. also write the quotient and remainder when 101 is divided by 11
- Show that 899 is prime.
- State Goldbach's conjecture.
- Define a relation from a set A toB. Give an example
- Draw the diagraph of the relation R= {(1,1), (1,3), (2,1), (2,2), (2,4), (3,1), (3,4), (4,2),(4,3),(4,4) } on the set {1,2,3,4}.
- Determine wheather (P(S), C ) is a lattice, where S is a set. (10×2=20) Part B Answer any six questions. Each question carries 5 marks.
∀x( x 2 > x)and∃x( x 2 = 2)
Define set. Give any two methods for representing sets. Let Ai = {1, 2, 3, ..., i} for i = 1,2,3,... Then find ∪n i=1 Ai and ∩n i=1 Ai Prove or disprove ⌈x + y⌉ = ⌈x⌉ + ⌈y⌉for all real numbers x and y.
22102353
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QP CODE: 22102354 Reg No : .....................
Name : .....................
BCA DEGREE(CBCS) REGULAR / IMPROVEMENT / REAPPEARANCE
EXAMINATIONS, JULY 2022
First Semester
Bachelor of Computer Applications
Complementary Course - ST1CMT31 - BASIC STATISTICS AND INTRODUCTORY
PROBABILITY THEORY
2017 Admission Onwards 9E350A Time: 3 Hours Max. Marks : 80 Part A Answer any ten questions. Each question carries 2 marks.
- What is Box plot?
- Mean of a series is given to be 30 constant 5 is added to all elements of the series. What is the mean of the new series?
- What is mean deviation?
- What is a line of best fit?
- If r=0, PE=0, find the value of n
- Why there be two regression lines in case of simple regression?
- Write down the sample space of throwing two coins and a die.
- In a class there are 30 boys and 20 girls. From the class one name is picked up at random is the probability that it is a boy's name
- Define conditional probability
- Define Random variable
- If V(x)=2 find V(2x+5)
- What are the properties of mgf.
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(10×2=20)
Part B Answer any six questions. Each question carries 5 marks.
- How will you construct a frequency curve for the following data?
Class 5-10 10-15 15-20 20-25 25- frequency 4 15 24 9 2
Explain various partition values will you find it.
What is coefficient of variation?Mention its uses.
Explain how will you fit a power curve using the method of curve fitting.
Find the mean of variables X and Y given the following: Regression equation of Y on X: 2y-x-50= Regression equation of X on Y: 3y-2x-10=
A problem in Statistics is given to three students A,B and C whose chances of solving it are 1/2,1/3 and 1/4 is the probability that the problem will bw solved if they try independently.
Probabilities that a husband and wife will be alive 20 years from now is given by 0 and 0 respectively the probability that in 20 years (1) both will alive (2) neither will alive.
The distribution function of a random variable is F(X)=(3x 3 -x 4 )/4 in the range 0<x<2. Find the pdf.
If f(x)=Ae-x/5 :x> =0 otherwiswe is a pdf. Determine A and find its mean. (6×5=30) Part C Answer any two questions. Each question carries 15 marks.
An analysis of monthly wages paid to workers in two companies A and B gives the following results:
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22102137 merged - failure is not the end
Course: Bachelor of Computer Applications (BCA2020)
University: Mahatma Gandhi University
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