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mba study material pdf download |
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Re: mba study material pdf download
I am in first semester of MBA Program. I need study material for Computer Application in Management Subject of this Semester Program. So can anybody provide link to download study material for Computer Application in Management Subject of MBA Program?
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Re: mba study material pdf download
As you want to download study material for Computer Application in Management Subject of MBA Program, so here I am providing complete study material: Study Material for Computer Application in Management: COMPUTER AN INTRODUCTION LEARNING OBJECTIVES After studying this unit, you should be able to understand: Define a computer and its various parts. Classify computer according to purpose, technology used, size and capacity. Describe various characteristics of computer. Describe various Input and output devices. Understand the concept of Office Automation. Describe various components of a computer system. Describe various generations of the computer. UNIT STRUCTURE 1.1 Introduction 1.2 What is a Computer? 1.3 Importance of Computers (Man vs. Machine) 1.4 Classification of Computers 1.5 Popularity of Personal Computers (IBM PC vs. Apple Mac PC) 1.6 Architecture of a Computer System 1.7 Computers in Business 1.8 Facilities Available in Computerised System 1.9 Indian Computing Environment 1.10 Office Automation 1.11 Components of a Computer System 1.12 Hardware Components of Micro Computer 1.13 Classification of Software 1.14 Generation of Computers 1.15 Computer Languages 1.16 Language Translators 1.17 Summary 1.18 Keywords 1.19 Review Questions 1.20 Further Readings 1.1 INTRODUCTION Nothing has revolutionized modern life the way rapid progress of computers has. For better or worse, computers have infiltrated every aspect of our society. Today, computers do much more than simply compute. They make airline or railway reservation and teach on-line; some super store scanners calculate our grocery bills while keeping the store inventory; computerised telephone switching has greatly improved the telephone system and Automatic Teller Machines (ATM) let us conduct banking transactions from virtually anywhere in the world. As computers become more widespread in the workplace, new ways to harness their potential developed. As smaller computers become more powerful, they could be linked together, or networked, to share memory space, software, and information and communicate with each other. 1.2 WHAT IS A COMPUTER? In a laymans language, a computer is a fast calculating device that can perform arithmetic operations. Although the computer was originally invented mainly for doing high speed and accurate calculations, it is not just a calculating device. The computer can perform any kind of work involving arithmetic and logical operations on data. It gets the data through an input device, processes it as per the instructions given and gives the information as an output. We can define computer as follows: Definition A computer is a fast electronic device that processes the input data according to the instructions given by the programmer/user and provides the desired information as an output. 1.3 IMPORTANCE OF COMPUTERS (MAN VS. MACHINE) Computers play a vital role for processing of data in an organization. Computer: help in processing the volumes of data efficiently and accurately within a short time. A computer has the following characteristics which make it so important for an organization: 1. Fast: A computer is so fast that it can perform the given task (arithmetical or logical) in few seconds as compared to man who can spend many months for doing the same task. A computer can process millions of instructions per second. 2. Accurate: While doing calculations, a computer is more accurate than man can make mistakes in calculations but a computer does not make mistakes, if it is provided accurate instructions. 3. Diligence: A computer does not suffer from the human traits of tiredness and boredom. Man will be tired and bored while doing millions of calculations but a computer, being a machine, does this job very efficiently and without any tiredness and boredom. 4. High Memory: A computer has much more memory or storage capacity than human being. It can store millions of data and instructions, which can be retrieved and recalledeven after a number of years. This is not possible in case of human brain. 5. No Intelligence: A computer is a machine and obviously has no intelligence of its own. Each and every instruction must be given to the computer for doing a task. Man has an intelligence and it is the man who invented computer and gives it all the instructions and logic to work. A computer cannot take decisions on its own and it is the main drawback of computer. 1.4 CLASSIFICATION OF COMPUTERS The classification of computers is based on the following three criteria: (a) According to Purpose (b) According to Technology used (c) According to size and Capacity According to Purpose According to the utilization of computer for different uses, computers are of following two types: 1. General Purpose Computers: Computers that follow instructions for general requirements such as sales analysis, financial accounting, invoicing, inventory, management information etc. are called General Purpose Computers. Almost all computers used in offices for commercial, educational and other applications are general purpose computers. 2. Special Purpose Computers: Computers designed from scratch to perform special tasks like scientific applications and research, weather forecasting, space applications, medical diagnostics etc. are called Special Purpose Computers. According to Technology Used According to the technology used, computers are of following three types: 1. Analog Computers: Analog computers are special purpose computers that represent and store data in continuously varying physical quantities such as current, voltage or frequency. These computers are programmed for measuring physical quantities like pressure, temperature, speed etc. and to perform computations on these measurements. Analog computers are mainly used for scientific and engineering applications. Some of the examples of analog computers are given below: (i) Thermometer: It is a simple analog computer used to measure temperature. In thermometer, the mercury moves up or down as the temperature varies. (ii) Speedometer: Car's speedometer is another example of analog computer where the position of the needle on the dial represents the speed of the car. Digital Computers: Digital computers are mainly general purpose computers that represent and store data in discrete quantities or numbers. In these computers, all processing is done in terms of numeric representation (Binary Digits) of data and information. Although the user enter data in decimal or character form, it is converted into binary digits (0's and l's). Almost all the computers used nowadays are digital computers and we will discuss the detailed working and components of these computers in subsequent sections of this unit. Hybrid Computers: Hybrid computers incorporate the technology of both analog and digital computers. These computers store and process analog signals which have been converted into discrete numbers using analog-to-digital converters. They can also convert the digital numbers into analog signals or physical properties using digital-to-analog converters. Hybrid computers are mainly used in artificial intelligence (robotics) and computer aided manufacturing (e.g. process control). Student Activity 1 1. What is a computer? 2. What are the main characteristics of computer? 3. What are general purpose computers? 4. What are analog computers? Give examples. 5. What are hybrid computers? Study Material for Computer Application in Management: drive.google.com/file/d/16h0I5TgVONPJoBBxeN_H1l1zaQvjIRPw/view |
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