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Lover

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Submitted By mukeshricha
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CBS 104
IT Applications for Managers
Course Leader: Prateek Kumar
What is I.T. * What includes in I.T.? * Why I.T. is important? * Why I.T. is important for Managers? * What is an I.T. Application? * Why I.T. applications are important for Managers?

Chapter 1 and 2
Computers and Computer Organization
Chapter 1 * What is a Computer? * Two basic components of a Computer System * Hardware and Software * Difference between the two basic components * Types of Computer * Analog, Digital and Hybrid

General Operations of a Computer System * Interfacing * Inputting * Storing * Processing * Outputting * Controlling

Basic Organization of a Computer System

* Arithmetic and Logical Unit (ALU) * Arithmetic functions * Logical functions

* Primary Memory vs. Secondary Memory (Storage)

Potential Exam. Questions * What is a computer? What are the different types of Computers? * Differentiate between Analog and Digital Computer. * Differentiate between Hardware and Software. * What are the general operations of a computer system? * Explain the basic organization of a computer system. * Differentiate between Primary and Secondary Memory. * Why I.T. is important for Managers?

Chapter 3, 5, 6 and 7
Classification and components of Computers

* Classifications of Digital Computers * Super Computer * Mainframe * Minicomputer * Workstations * Microcomputers * Portable Computers
Super Computers

* Key characteristics * Applications

Mainframe

* Key characteristics * Applications

Mini Computers

* Key characteristics * Applications
Workstation

* Key characteristics * Applications
Micro Computers

* Key characteristics * Applications
Portable Computers

* Key characteristics * Applications

Chapter 5 and 6 * System Components * Input Devices * Output Devices * Processing Devices * Primary Memory * Secondary Memory * Power Supply * Motherboard * Communication Devices and Connectors
Input Devices * Keyboard * Layout * Locater Devices * Mouse * Touch Pad * Trackball * Pick Devices * Light Pen * Touch Screen * Digital Camera * Scanner * Optical Mark Reader (OMR) * Bar-code Reader * Magnetic Stripe Reader * Audio Input Devices * Microphone * MIDI(Musical Instrument Digital Interface) Device

Output Devices * Display Devices * Display Monitor * Video card / graphic adapter * Pixel * Audio Devices * Speakers * Earphones * Printers * Laser Printer * Inkjet Printer * Dot Matrix Printer * Plotter

Processing Device * Microprocessor

Peripherals * Power Supply * Connecters and Communicating Devices * Motherboard

Memory Devices * Primary Memory * Random Access Memory (RAM) * Read Only Memory (ROM)

Chapter 7 * Secondary Storage Device * Characteristics * Total Capacity * Access Time * Data Transfer Rate * Cost per Unit

Secondary Storage Devices * Magnetic Tapes * Magnetic Disks * Floppy Disk * Hard Disk * Magnetic Tapes vs. Magnetic Disks

Secondary Storage Devices * Solid State Drives (SSD) * SSD Hard Disk * Pen/Flash Drive * Optical Disks * Compact Disk (CD and CD-R) * Digital Versatile Disk (DVD and DVD-R)

Potential Exam. Questions * What are the six types of a computer system (classification based on role, size, and application)? * What are the different types of printers? What are their merits, demerits, and applications? * Differentiate between RAM and ROM. * Differentiate between Magnetic Tape and Magnetic Disk.

Chapter 4 and 9
Computer Data and Software * Language * Computer Language * Machine Language * Binary System * Data Types * Numbers * Text * Images * Audio * Video

Chapter 9 * Computer Software
“Software consists of all the instructions that instruct the computer to perform intended task.”

Classification of Software
Operating System * What is an Operating System (OS)? * Two basic purposes of OS: * Efficient use of Hardware * Easy use of resources * Location of OS * Functions of OS

Functions of OS * User Interface * Graphical User Interface (GUI) * Command Line Interface * Resource Management * Input/output Management * Memory Management * File Management * Task Management * Support Services Management * Security * Command Interpretation * Commonly used OS’ * Microsoft Products: MS-DOS, Windows (XP, Vista, 7, etc.) * Apple Products: Mac (OS-8, OS-X) * Unix, Linux, Google Chrome OS, Android

Pre-Written Software * Applications * Examples: Tally, MySQL, MS Project

Commercial Classification of Software * Shareware (Tryware) * Freeware * Open Source Software * Closed Source Software * Open License * Closed License

Potential Exam. Questions: * What are the different types of data that computers work on? * Explain briefly the functions of an Operating System. * What is a pre-written application software? What are its advantages and disadvantages?

Chapter 13 and 14
Data Communication and Internet Technology

* Computer Network * Five basic elements of a network

* Advantages of Networking * Sharing of Hardware * Sharing of Information * Transfer of Text * Decentralization of Data Processing * Easy Communication

* Classification of Networks based on Size * LAN (Local Area Network) * Limited Size * Every user can communicate with each other * WAN (Wide Area Network) * Not all users can communicate to each other * Can be Private and Public * Private: SWIFT (Society for Worldwide Interbank Financial Telecommunication) * Public: Internet * MAN (Metropolitan Area Network) * PAN (Personal Area Network)
Chapter 14 * What is Internet? Internet is a Network of Networks * Brief History * 1970’s – ARPANET * 1980’s – Educational Universities in US * 1990’s – People and Organizations world-wide

* Basic Internet Architecture

* ISOC (or ISoc) – Internet Society * Non-Profit Organizations * Open Membership – Anyone can become a member * Global presence * Addresses three issues: * Public Policy * Education and Training * Maintaining Standards
Some Important Internet Components * Electronic Mail (e-mail * Exchange of text messages and computer files over a communication network * Accounted for 90% of net traffic * Advantages: * Paperless communication * Multimedia messaging/transfer of data and files * Printing mails * Public bulletin boards * Cc/bcc * Forwarding/Replying * Address Book
Some Important Internet Components * Downloading Software and Files * Instant Messaging (Chat Programs) * Newsgroups * Electronic Bulletin Boards * Telnet (Terminal Network) * Internet Telephony * WAIS (Wide Area information Server) * Informational Databases * World Wide Web (www) * Interconnected system of computers all over the world * IP (Internet Protocol) Address * IP4 vs. IP6 * Web Browser * Software that enables the user to browse web * Internet Search Engines * Uniform Resource Locater (URL) * http://www.corebusinessschool.org/placements/final.html

Intranet and Extranet * Intranet * Closed-group internet (within an organization) * Advantages: * Reduces costs – printing, paper, mailing, distribution * Easier and faster access to information and remote locations * Collaborative, group working * Extranet * Closed-group internet (within and outside an organization) * Extranet is an extended intranet.

Usage of Internet to Society * Finding businesses, products and services (E-business) * Research * Education * Travel * Marketing and Sales * Investments and Trading * Medical Records * Finding people (directory services) * E-mail * Exchanges and Auctions * Advertising * E-Government * Conferencing * Bulletin Boards (forums) * Entertainment (Multimedia) * File Sharing * Games * Social Networking * Love and romance * Reducing discrimination (anonymity)

Potential Exam. Questions: * What is a computer network? What are the advantages of computer networking? * Differentiate between LAN and WAN. * Describe briefly about ISOC. * What is an E-mail? What are its advantages? * Differentiate between Internet and Intranet. * Differentiate between Internet and Extranet. * List some usages of internet to society.

Chapter 12
Database Management System

* What is a computer file? * File Management * File Management System * Drawbacks in File Based System * Data redundancy * Program/Data dependency * Lack of flexibility * Data availability * Data integrity * Data management control

* What are Databases? * A collection of related data. * Data in database belongs to one application * A database have specific purpose.

* Types of databases – Based on processing * Analytical databases * Operational databases

* DataBase Management System (DBMS) * The DBMS is a general purpose software system that facilitates the processes of defining, constructing, and maintaining databases for various applications. * Defining * Constructing * Manipulating

* Components of a Database System * Database files * Hardware * Software * User * End User * Application Programmer * Database administrator

* Advantages of DBMS for managing data * Ease of use * Flexibility * Reduction of overall cost * Redundancy can be controlled * Access control * Data integrity * Standardized data * Provision of backup and recovery system

* Limitation of DBMS * Overhead cost * Security issues * Problem of extra resources * Ownership issues

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