mca3030 smu mca winter 2015 (april/may 2016 exam) IIIrd sem assignment

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Winter 2015 ASSIGNMENT

PROGRAM MCA (REVISED FALL 2012)

SEMESTER THIRD

SUBJECT CODE & NAME MCA3030-LINUX OS

CREDIT 2 BK ID B1563 MAX. MARKS 30

1. Explain briefly the history of Linux. List and explain different Linux distributions. 6+4 = 10

Ans: History of Linux: About 30 years ago, computers were very expensive and the cost per unit of computing power was very high. Software was used for a specific purpose. Software that ran on one system generally did not

2. Explain briefly the shell variables and their environment. What are the rules for naming variables? 5+5 = 10

Ans: The Shell Variables and Their Environment: When you login, Linux will create certain parameters for your login shell. These parameters can be in the form of features or variables. Linux provides a predefined set of variables for both system and shell use and

these variables are allocated system values which in effect sets the parameters. Linux sets up parameter shell variables which are used to configure the user shell. When you login, the system defines most of the parameter shell variables. The shell automatically creates some of the parameter shell variables. The initialization scripts

3 Describe the following:

a) GNOME desktop

b) X Window system

5+5 10

Answer:

A)    GNOME desktop

GNOME desktop environment is written in C. It is based on the GTK + widget sets. The name GNOME was initially an acronym for GNU Network Object Model Environment, however, that derivation currently does not

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mca3020 smu mca winter 2015 (april/may 2016 exam) IIIrd sem assignment

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Winter 2015 ASSIGNMENT

PROGRAM MCA(REVISED FALL 2012)

SEMESTER THIRD

SUBJECT CODE & NAME MCA3020- ADVANCED DATABASE MANAGEMENT SYSTEM

CREDIT 4 BK ID B1649 MAX. MARKS 60

Q. No.  1 Differentiate DBMS and RDBMS 5+5 10

Answer:

DBMS

DBMS is defined as the software program that is used to manage all the databases that are stored on the network or system hard disk. There are different types of database management systems and

2 Differentiate 3NF and BCNF 5+5 10

Answer:

For understanding the differences between BCNF and 3NF, we must again carefully look back to the definition of 3NF and BNF.

According

3. Explain Buffer Management in detail. What are the roles of a buffer manager 5+5 10

Answer:

Buffer Management

We have assumed that operators on relations have some number of main-memory buffers that they can utilize to store required data. Actually, these buffers are not often allocated in advance to the

4 Describe five different lock modes. 5*2 10

Answer:

The lock modes are as bellow:

1.       Shared Locks: In case of Row-level shared locks, various users are permitted by shared locks to read data, but no user is permitted to change that data. In case of Table-level, various users are permitted by shared locks to carry out read and write operations on the table, but any user is

5 Differentiate homogeneous and heterogeneous Database. 5+5 10

Answer:

Differences between Homogeneous and Heterogeneous Database:

When the database technology is the same at each of the locations and the data at the several locations

6 Write short notes on ODMG standards. What are the various components of ODMG-93? 5+5 10

Answer:

ODMG-93 standard. It provides an inclusive framework for designing an object database, writing

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mca3010 smu mca winter 2015 (april/may 2016 exam) IIIrd sem assignment

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Winter 2015 ASSIGNMENT

PROGRAM MCA (REVISED FALL 2012)

SEMESTER THIRD

SUBJECT CODE & NAME-MCA3010- FINANCIAL MANAGEMENT AND ACCOUNTING

CREDIT 4 BK ID B1624 MAX. MARKS 60

Q. No. 1 Explain the process involved in accounting. What are the objectives of accounting?10

Answer:

Accounting Process:

1.       Identifying the transactions and events – This is the first step in the accounting process. It recognises the transactions of financial character that are essential to be recorded in the books of accounts

Q.2 Briefly explain the role of management accounting. Also describe the functions of management accounting.10

Answer:

Roles of Management Accounting:

Management accounting helps the management in the following:

 It guides the management to fix most appropriate objectives for the company and also ensures that

Q.3 What is fund flow analysis? What are the objectives of analysing flow of fund?10

Answer:

Fund flow analysis:

The term ‘flow’ refers to change and therefore the term ‘funds flow’ refers to ‘change in funds’ or ‘change in working capital’. In other words, any increase or decrease in working capital means ‘flow of funds’

Q.4 What is cash flow statement and how is the cash flow statement subdivided?10

Answer: Meaning of Cash Flow Analysis

Cash flow analysis is an important tool of financial analysis. It is the process of understanding the change in position with respect to cash in the current year and the reasons responsible for such a

Q.5 What are the merits of budgets? 10

Answer: The merits are as follows:

1. It aims at the maximisation of profits.

2. Budgets fix the goals and targets without which operations lack direction.

3. It reduces

Q.6 Describe the essential features of budgetary control. 10

Answer: Essential Features of Budgetary Control

An effective budgeting system should have essential features to get the best results. In this direction, the following may be considered as essential features of an effective budgeting.

 Business policies defined – The top management of an organisation should have an action plan

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bca2050 smu bca winter 2015 (april/may 2016 exam) IInd sem assignment

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Winter 2015, Assignment

PROGRAM – BCA SEMESTER - 2

SUBJECT CODE & NAME - BCA2050/IMC2050 COMPUTER ORGANISATION

BK ID - B1642 CREDIT – 4 MAXIMUM MARKS - 60

Q1. What is difference engine? Briefly explain the structure of Babbage’s Difference Engine. 4+6 = 10

Answer: Difference Engine: The difference engine was designed to calculate the entries of a table automatically and transfer them via steel punches to an engineer’s plate from which the tables could be printed. The only arithmetic operation performed by this machine was addition. However using a mathematical technique

Q2. What is the difference between fixed and floating point numbers? 5+5 = 10

Answer: Fixed and Floating Point Numbers

The term ‘fixed point’ refers to the corresponding manner in which numbers are represented, with a fixed number of digits after, and sometimes before, the decimal point. With floating-point representation,

Q3. Briefly explain the instruction characteristics. 10

Answer: Each instruction must contain the information required by the CPU for execution. Elements of a machine Instruction are:

·         Operation Code: Specifies the operation to be performed. The operation is specified by a binary code

Q4. Briefly explain the read and write cycle of an 8086 processor. 5+5 = 10

Answer: After understanding of the instruction cycle of the processor, now let us learn about the Read-Write cycles. Read Cycle is Data Transfer from Memory or Input/output (I/O) to CPU. Write Cycle is Data Transfer from CPU to Memory or I/O.

Read Cycle

Read Cycle consists of

Q5. Briefly explain Interrupt Driven I/O. 10

Answer: Interrupt Driven I/O

Using Program-controlled I/O requires continuous involvement of the processor in the I/O activities. It is desirable to avoid wasting processor execution time. An alternative is for the CPU to issue an I/O command to a module and then go on other work. The I/O module will then interrupt the CPU requesting service

Q6. Describe Multiprocessing. Briefly explain its system. 5+5= 10

Answer: Multiprocessing is concerned with the capability of a computer system to provide support to more than one processor or the capability to accomplish more than one program simultaneously. The term

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bca2040 smu bca winter 2015 (april/may 2016 exam) IInd sem assignment

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Winer 2015

Bca2040

1 Explain the process of communication with a diagram.

Answer: Process of Communication

Normally, the communication is meant for Interpersonal purpose. This is also known as interpersonal communication, where the information or message is transferred from one person to the other(s). The person who

2 What is the difference between listening and hearing? Name the different types of listening.

Answer: Listening is a highly complex, interactive process, “by which spoken language is converted to meaning in the mind” (Lundsteen, 1979). As this definition suggests, listening is more than just hearing, although children and adults often use the two terms, hearing and listening, synonymously. Hearing is only one important component of listening. In order to become

3 Describe five types of Reading.

Answer: Types of Reading

Skimming

Let’s say that you need to buy a reference book for English grammar as suggested by your professor. You go to a book store and see a rack full of books, with the same title, but different authors. You don’t have time to read the pages before deciding on buying the book. Hence, you quickly go through the contents,

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