Dr. A.P.J. Abdul Kalam University MCA I SEM (Second Year) Communication Skills [MCA105] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

First Semester Main Examination, Dec-2020

Communication Skills [MCA105]

Time: 3:00 Hrs Max Marks 70

Note : Attempt any five questions.

All question carry equal marks.

Q.1 (a ) Create a telephonic conversion between two friends discussing impending

examination.

 (b) What are the differences between creative writing and technical writing?

Q.2 (a) What are the important points you will remember while conducting an oral

presentation?

(b)Define the concept of negotiation. Why negotiation necessary in decision

making process?

Q.3 (a) What is report writing? What is the structure of formal report?

 (b)What are the characteristics found in oral and written communication?

Q.4 (a) Describe in detail the communication process model and explain the steps of

coding and decodingin this process.

 (b) Discuss the importance of listening in communication?

Q.5 (a) What are the guidelines for pre interview preparation explain?

(b)Write an application for the post of Senior Manager with resume.Q.6 (a) What

is oral communication? How can oral communication be made more effective?

(b) What is written communication? Give advantages and disadvantages of

written communication.

Q.7 (a) What is media of communication? Explain.

 (b) What do you understand by term noise in communication system?

Q.8 Write short note on:

(i) Bibliography

(ii) Index

(iii) Abstract

(iv) Summary

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Dr. A.P.J. Abdul Kalam University MCA I SEM (Second Year) Information Technology [MCA104] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

First Semester Main Examination, Dec-2020

Information Technology [MCA104]

Time: 3:00 Hrs Max Marks 70

Note : Attempt any five questions.

All questions carry equal marks.

Q.1 (a) Compare and describe compiler interpreter and assembler?

 (b) What is indexing? Discuss dense index and sparse index with example.

Q.2 (a) Describe the advanced macro facilities and illustrate their use.

 (b) What is TCP/IP model? Explain the layering concept of TCP/IPmodel.

Q.3 (a) What is the basic concept of IT? Explain in the term of data and data

processing model?

 (b) What is the File Organization, explain types of file organization?

Q.4 (a) What do you understand by insertion & deletion of memory?

Explain allocation technique in memory?

(b) Explain Code Optimization. What are the ways in which code

optimization can be archived?

Q.5 (a) What are the different scientific applications of information technology?

 (b)What is assembler? Why it is different form interpreter?

Q.6 (a) What is linker explain its working and explain why MS DOS linker is

necessary?

 (b) Explain sequential file system organization in FAT system?

Q.7 (a) What are the different characteristics of computers and

compare the characteristics according to computer generation?

(b) What are indexed Sequential File? Explain its Structure. Why Overflow

area is required in indexed Sequential files?

Q.8 Write short note on:

(i) CPU storage devices

(ii) Assembly languages

(iii) Network communication devices.

(iv) World Wide Web

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Dr. A.P.J. Abdul Kalam University MCA I SEM (Second Year) Operating System and Architecture [MCA103] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

First Semester Main Examination, Dec-2020

Operating System and Architecture [MCA103]

Time: 3:00 Hrs Max Marks 70

Note : Attempt any five questions.

All question carry equal marks.

Q. (a) What is operating system? Explain briefly about various types of operating

system.

(b)What is thread and what are the differences between user-level threads and

kernel supported threads?

Q.2 (a) Explain different types of schedules along with the purpose of each.

 (b)Write a Semaphore solution for dining philosopher's problem.

Q.3 (a) Briefly explains the following: i) Mutual exclusion ii) Critical section

problem

(b)What is Deadlock? What are the four necessary conditions for a deadlock

Occur?

Q.4 (a) Define Distributed Shared Memory.

 (b) Write in brief about DMA.

Q.5 (a) What is meant by thrashing? Explain various causes of thrashing.

 (b) Differentiate between external and internal fragmentation.

Q.6 (a) Differentiate among the following:

 (i) Physical address and logical address

 (ii) Paging and segmentation

(b) What is paging? Explain Paging Principle. How is it different from

Segmentation?

Q.7 (a) Define spooling and for it explain its working with necessary diagram?

(b) Discuss various security threats in file system of OS. What is

fragmentation? Why it is needed? Explain differences between

external and internal fragmentation.

Q.8 Write short note on the following:

 (i) Turnaround Time

 (ii) Process management in LINUX

 (iii) Key feature of windows

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Dr. A.P.J. Abdul Kalam University MCA I SEM (Second Year) Statistical Mathematics [MCA102] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

First Semester Main Examination, Dec-2020

Statistical Mathematics [MCA102]

Time: 3:00 Hrs _ Max Marks 70

Note: Answer any five questions. All questions carry equal marks.

Scanned Copies:

Dr. A.P.J. Abdul Kalam University MCA I SEM (Second Year) Programming in C and Data Structure [MCA101] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

First Semester Main Examination, Dec-2020

Programming in C and Data Structure [MCA101]

Time: 3:00 Hrs Max Marks 70

Note : Answer any five questions. All question carry equal marks.

Q.1 (a) What are the characteristics of a good program? Explain each

characteristic by taking suitable example.

 (b) Implement the push and Pop operation on a stack.

Q.2 (a) Differentiate between structure and union.

 (b) Explain the working of binary search.

Q.3 (a) What do you understand by Top down design, Bottom-up design? Give

the name of language that used this approach.

 (b) Write an algorithm to insert a node into a binary search tree.

Q.4 (a) What is the various data type in C? Explain mix mode operation and

automatic type conversion?

(b) What is doubly linked list? Compare doubly linked list and singly linked

list?

Q.5 (a) Describe Kruskal’s minimum cost spanning tree algorithm?

(b) Write a program to evaluate a postfix expression using a linked stack

implementation.

Q.6 (a) What is the Difference between call by value and call by reference? Give

any example?

(b) What do you understand by Type conversion & type casting? Compare

with example.

Q.7 (a) Differentiate between Testing and Debugging with example?

(b) Explain if-else, for, while, do-while statement with the help of any

program

Q.8 Write short note on the following:

 (i) Operator Overloading

 (ii) Tree

 (iii) Shorting

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