Wednesday, April 15, 2009

THE NIGHT TRAIN AT DEOLI AND OTHER STORIES

THE NIGHT TRAIN AT DEOLI

My Favourite Short Story

By

VIKRAM KARVE


I love reading short stories. You can read a short story in one sitting and it immediately fills you with an exquisite sense of satisfaction.

I love writing short stories too, and I am sure you have read many of my short stories in my blog.

Dear Reader, let me tell you about my all time favourite short story – The Night Train at Deoli by Ruskin Bond.

The Night Train at Deoli is a beautiful story of unrequited love. Each one of us has experienced this wonderfully painful emotion of unrequited love. Dear Reader, I am sure you too have experienced the delightful heart-ache of longing, yearning – an alluring attraction for someone who is out of reach – a one way love – a love unreciprocated. Well I am quite familiar with the delicate tenderness of unrequited love; in fact, my life story is a story of unrequited loves.

The Night Train at Deoli is narrated in first person by a college boy who travels by the night train from Delhi to Dehra Dun every year to spend his summer vacations at his grandmother’s place. On its journey up the hills of the terai, early in the morning, the train stops at Deoli, a lonely station in the wilderness... “Why it stopped at Deoli. I don’t know. Nothing ever happened. Nobody got off the train and nobody got in…and then the bell would sound, the guard would blow his whistle, and presently Deoli would be left behind and forgotten” – isn’t the description brilliant, so breathtaking in its simplicity.

On one such journey the boy sees a girl at Deoli, selling baskets, and is smitten by her… “I sat up awake for the rest of the journey. I could not rid my mind of the picture of the girl’s face and her dark, smouldering eyes”.

He looks out for her on his return journey and is thrilled when he sees her… “I felt an unexpected thrill when I saw her…I sprang off the foot-board and waved to her. When she saw me, she smiled. She was pleased that I remembered her. I was pleased that she remembered me. We were both pleased, and it was almost like a meeting of old friends”…superb writing, isn’t it…simply superb.

It is time for the train to leave, and for the lovers to part… “I felt the impulse to put her on the train there and then…I caught her hand and held it… ‘I have to go to Delhi,’ I said…she nodded, ‘I do not have to go anywhere.’…the guard blew his whistle…and how I hated the guard for doing that…”

Beautifully poignant, marvellously written, touches the very fragile chords of your heart, isn’t it?

I will not tell you the rest of this story, but I can assure you, that if you are a lover at heart, you will be touched with compassion for the protagonist and as the story elevates you to the romantic mood you will relate your very own tale of unrequited love.

Though The Night Train at Deoli is my all time favourite, I like many stories in this anthology, especially, The Woman on Platform 8, His Neighbour’s Wife and Death of a Familiar.

If you are a lover of the fiction short story I am sure you have this delightful book; if you don’t, do get a copy for your bookcase to delve into whenever you are in a blue mood nostalgically yearning for your unrequited love.


[The Night Train at Deoli and other Stories by Ruskin Bond – Book Review by Vikram Karve]

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Tuesday, April 14, 2009

TOOLS AND MODELS FOR MANAGERS

BOOK REVIEW by VIKRAM KARVE


TITLE: The Essential Management Toolbox: Tools, Models and Notes for Managers and Consultants

AUTHOR: Simon Burtonshaw-Gunn

Published by John Wiley and Sons Ltd (England) 2008
ISBN 978-0-470-51837-3


Whenever I am tempted to use a new, fancy, intricate or sophisticated tool, I remind myself of The Law of the Hammer: “Give a child a hammer, and the child will use it on everything encountered.”

Tools can be very useful only if the user knows how and when to use the tool properly. A tool in the hands of an untrained, unqualified, unskilled novice can be a disaster, like a small mischievous child with a hammer in the hands to whom everything will seem like a nail to be hammered!

It’s the same with Management Tools; like all other “tools” Management Tools too are vulnerable to falling victim to the Law of the Hammer.

The Essential Management Toolbox: Tools, Models and Notes for Managers and Consultants by Simon Burtonshaw-Gunn is a fascinating book – comprising a concise yet comprehensive repertoire of theoretical and practical tools, models and techniques extremely valuable in the practice of various facets of management science.

The wide range of tools in this “toolbox”, the breathtaking simplicity of explanation, the superb lucidity of presentation and appealing get-up captivate the reader, facilitate ease of understanding and make it a delightful reading experience.

I commend this book – it is an excellent reference companion for all management professionals and a must for reference libraries; and indeed a valuable addition to your own personal collection.

Do use these “management tools” dear reader, and see their utility and efficacy for yourself; but before you plunge into this wonderful toolbox make sure you have the requisite a priori knowledge – take care not to fall victim to The Law of the Hammer!


Book Review of “The Essential Management Toolbox: Tools, Models and Notes for Managers and Consultants” by Simon Burtonshaw-Gunn

[Reviewed by VIKRAM KARVE]

VIKRAM KARVE

Copyright © Vikram Karve 2009
Vikram Karve has asserted his right under the Copyright, Designs and Patents Act 1988 to be identified as the author of this work.



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EMBEDDED SYSTEM DESIGN - A Useful Book

Book: Embedded System Design - A Unified Hardware / Software Introduction
Authors: Frank Vahid, Tony Givargis
Publication: John Wiley and Sons (Asia) Pte Ltd, Singapore, 2002
ISBN 9971-51-405-2
Pages: 324.

[Reviewed by Prachi A. Deshmukh and Vikram Karve]

Once, there was a conversation going on between three ladies. They were discussing on something very seriously. Each of them was telling her own experience and others were listening to the speaker very carefully. They were neither discussing about some TV serial, nor about the latest fashions. Their topic was regarding cooking. (But they were not discussing culinary recipes!). The three ladies were from three different generations – the first an 80 years old Granny, the second her 56 years old mother and the third the 28 years old daughter. They were discussing how the kitchen has been changed. Conclusion of their discussion was that, now cooking is a task of few minutes. Mixer, food processor, microwave oven, dishwasher etc. are there waiting for your orders!

Not only in kitchen, but everywhere one can see things are becoming easier and simpler. Those who are born after 1980s can experience the changes happening around themselves. Now there is no need to make your hands panic by washing the clothes. Washing machine will do it for you!

Do you want to listen to music of your choice? An MP3 player can store thousands of songs of your choice. If you want to convert your beautiful moments into sweet memories, then digital camera is there for your help.

Are you planning to go for shopping? No need to carry money with you. Credit card will maintain your account.

All these examples look unrelated to each others, but there is some relation in them. ATM, barcode scanner, cell-phone, digital camera, fax machine, home alarm system all are totally different from each others but they do have one thing common in them. All of them are embedded systems. Now the question arises ’What does an embedded system actually mean?’

In simple words, Embedded System is a computing system which does a specifically focused job. It’s nearly any computing system other than a desktop computer. We can not be unaware of it because embedded systems are part of our day to day life. We find them almost everywhere.

That’s why one must study about embedded systems, especially if you are aspiring to be an Electronics, Communications, Computer Engineer or IT Professional. For those who really want to know about embedded systems, a good book to start off with is ‘Embedded System Design- A Unified Hardware/ software Introduction ’ by Frank Vahid and Tony Givargis.

The book is actually an introductory book which makes us familiar with the basics of embedded systems, the hardware for them, the software, peripherals, memory and interfacing. This book is also helpful for those students who are going to take more specialized courses. To understand this book one needs the basic knowledge of electronics, flowcharts and algorithms.

The book shows its usefulness and applications starting from the cover itself. The picture on the cover shows all the applications in our day-to-day life which we find in home as well as outside our homes. A simple picture tells us how important to study the embedded systems.

The content in the book is divided into 11 Chapters. The first chapter introduces us with the basics of embedded systems. We become familiar with the Optimizing Design Metrics, processor technology, IC technology, design technology and trade offs.

In second chapter we learn about custom single purpose processors: Hardware. We learn about the combinational logic, sequential logic, custom single purpose processor design, RT level custom single purpose processor Design and the optimizing custom single purpose processors. If the reader knows about the transistors, logic gates and flowcharts then it will be easier to understand this chapter.

In third chapter the authors introduce us with the General Purpose Processors: Software. Here we learn the basic architecture of the general purpose processor, its operation, developing environment, ASIPs, General Purpose processor Design and about the selection of a processor.

In fourth chapter we study the Peripherals of standard Single-Purpose Processors like Timer, Counters, Watchdog Timers, UART, PWM, LCD controllers, Keypad controllers, Stepper motor controllers, ADC and RTC.

There are different types of memory like ROM, PROM, OTOROM, EPROM, EEPROM, FRAM, RAM, SRAMDRAM, PSRAM NVRAM etc. We learn different types of memories as well as cache memory and MMU in the fifth chapter.

In sixth chapter we study the different types of interfacings to the processors as well as arbitration, multiple Bus architectures and advanced communication principles. Here we come to know about the different types of protocols.

Digital camera is an important and interesting example of embedded systems. In seventh chapter this example is explained very briefly. Here we learn about the requirements as well as the design of an embedded system very detail. Chapter no 8 and 9 are about the state machine and concurrent process models as well as the control systems.

Chapter 10 introduces us with the IC technology. Here we learn about the VLSI IC technology, ASIC IC technology and PLD IC technology. This chapter teaches about the IC technologies briefly.

In last chapter of the book, chapter 11 we learn about the techniques like Automation, Verification, Reuse, Design Process Models. At the end of this chapter we find the book summary. It gives us summary of the entire book in few words.

In appendix A the website is given which includes important information regarding the embedded systems. Also included are chapter wise lab resources. As embedded system is combination of both - hardware and software, it is very important to perform the practical experiments to understand the concepts.

This book is not just a simple basic book but is adequate for a complete course in embedded systems. The authors have maintained a smooth flow throughout the book. The language is easy to understand. One special feature of this edition of the book is that it has been designed specially for the students in developing countries.

An ideal textbook, this book may prove even more useful to understand the importance of embedded systems if some more applications of embedded systems were illustrated. Maybe further editions can be made more attractive by adding the photographs of the examples of embedded systems.

The summary at the end of every chapter give the important part of each chapter in brief. The review questions are helpful to prepare for the subject. The References and further reading are useful for those interested in a more detailed study of the subject.

We feel that this book may be extremely useful for students, engineers, technologists and professionals interested in the fascinating field of Embedded Systems.

Book Review by PRACHI DESHMUKH and VIKRAM KARVE

vikramkarve@sify.com

Saturday, April 4, 2009

INFORMATION TECHNOLOGY SYSTEMS

Book Review by Vikram Karve


Title: Information, Systems and Information Systems – making sense of the field

Authors: Peter Checkland and Sue Howell

John Wiley & Sons (1988)

ISBN 0-471-95820-4


Information Technology [IT] is the buzzword of today.

IT is ubiquitous; today you are connected with IT in some way or the other, and everyone seems to be rushing to join the IT bandwagon.

A few years ago, till the nineteen eighties, there were courses in Electrical, Electronics, Communications and Telecommunications Engineering and later in Computer Science and Engineering, but now there are dedicated courses specifically in Information Technology, and almost all Engineers, and even pure scientists and others, irrespective of their specializations, are rushing to take up jobs in IT and IT Enabled Services.

The Management guys have also joined the fray and added a “management” dimension to IT by offering MBA courses in “IT Management”.


What exactly is IT?

Maybe the phrase Information Technology or “IT” was coined to mark the convergence of two technologies that had been traditionally separate: “Computing” and “Communications” and the confluence of several streams of development including electronics, microelectronics, computer science, telecommunications, software engineering and systems analysis.

There are a large number of books and extensive literature on the content of Information Technology.

This book is a significant treatise on the context of Information Technology.

The principal author Peter Checkland is a pioneering researcher in the field of Systems Engineering and Management and has developed breakthrough concepts like Soft Systems Methodology [SSM] and written the seminal classic “Systems Thinking, Systems Practice”. The co-author Sue Holwell has a rich and varied professional experience in systems design and implementation, information strategy and communication networks.

This book has eight chapters arranged in four parts.

In the first part on “The Field of Information Systems and its Problems” the authors deliberate on the basic concepts pertaining to Information Systems [IS] and Information Technology [IT], distinguish between the “Hard” (objective positivistic scientific) and “Soft” (subjective interpretative) schools of thought in the context of Management Information Systems [MIS], and introduce the reader to the fundamentals of Soft System Methodologies [SSM].


The “meat” of the book is in Part Two whose two chapters elucidate on the application of the developed Information System Management concepts to organizations and describe the “information continuum” – the linkages between data, information and knowledge.

Parts Three and Four of the book substantiate these hypotheses with experiential examples from as early as World War II and drives home the point that the evolution and development of the science of Information Systems [IS] owes nothing to computers which did not exist in 1940, makes it clear that IS is not the same as IT, reminds us that computers are a mere means of IS, and cautions us against falling into the trap of “technological determinism” resulting from the prevalent propensity to overly focus on computer-based IT and allow technology to take charge of our actions.


The book is aptly adorned with simple illustrations which facilitate ease of understanding.

As the dust jacket says, the book is a work of conceptual cleansing and presents a well-argued account of IS and IT which is both holistic and coherent.

I recommend this remarkable book to Information Technology, Engineering and Management Students and Professionals – reading it will certainly enhance their conceptual understanding of Information Systems and Technology.


[Book Review by Vikram Karve]


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