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Information Technology for Management

Information Technology for Management. Hardware & Software Concepts. Block Diagram of Computer. Processor. Input Devices. Secondary Storage. Buses. Output Devices. Communications Devices. Primary Storage. Secondary Storage. Magnetic Tapes Magnetic Disks Floppy Disks

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Information Technology for Management

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  1. Information Technology for Management Hardware & Software Concepts

  2. Block Diagram of Computer Processor Input Devices Secondary Storage Buses Output Devices Communications Devices Primary Storage

  3. Secondary Storage • Magnetic Tapes • Magnetic Disks • Floppy Disks • Hard Disks • Optical Laser Disks • CD-ROMs

  4. I/O Devices

  5. Input Devices • On-line Entry • Keyboard • Mouse • Trackball Joystick Touch screen Light pen

  6. DIRECT DATA ENTRY(DDE) • Approaches For DDE • Magnetic Ink Character Recognition (MICR) • Optical Character Recognition (OCR) • Optical Mark Recognition (OMR) • Bar Code Reader (BCR) • Smart card • Image Processing • Image Scanner

  7. OCR MICR OMR Sheets& OMR Bar Codes & Bar Code Reader Image Scanner

  8. Output Devices • Display Devices • Monitor • Liquid crystal display (LCD) • Printers • Impact printers • Serial printers • Dot Matrix Printer • Line printers • Non-impact printers Laser Printers

  9. What is Software? • It consists of programs which enables a computer to perform specific tasks. OR • The programs, procedures, algorithms (set of rules), and their associated documentation, for a computer system. • The term broadly includes: • Application software such as word processors which perform productive tasks for users. • System software such as operating systems, which interface with hardware to run the necessary services for user-interfaces and applications

  10. Office Automation • Office Automation helps in optimize or automate existing office functions. • All office functions, including • dictation, • typing, • filing, • copying, • fax, Telex, • microfilm and records management, • telephone and telephone switchboard operations, fall into this category.

  11. Examples of OA include • Generate Microsoft Word documents or business forms from data stored in other applications such as Microsoft Access or Microsoft Excel • Generate presentations from external data • Automatically send emails to customers or groups in Microsoft Outlook • Maintain and organize data stored in Microsoft Excel or Microsoft Access

  12. MS-Office Package • MS-Word • MS-PowerPoint • MS-Excel • MS-Access

  13. System S/W vs. Application S/W

  14. Hardware System Software Application Software User Relationships between User, Software and Hardware Print on screen, Read keyboard entries, Write files on disk,... Surf Web, Format document, Play games,...

  15. Hardware vs. Software

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