1. 6.1 © 2003 by Prentice Hall Suffolk University Cape Cod Campus Frank Sawyer School of Management Management Information Systems: ISOM 810 Spring 2004 –Session Five Professor Joan Donovan

2. 6.2 © 2003 by Prentice Hall 6 6 MANAGING HARDWARE ASSETS Chapter

3. 6.3 © 2003 by Prentice Hall COMPUTER HARDWARE AND INFORMATION TECHNOLOGY INFRASTRUCTURE Essentials of Management Information Systems Chapter 6 Managing Hardware and Software Assets Hardware Components of a Computer System Figure 6-1

4. 6.4 © 2003 by Prentice Hall COMPUTER HARDWARE AND INFORMATION TECHNOLOGY INFRASTRUCTURE Essentials of Management Information Systems Chapter 6 Managing Hardware and Software Assets The Computer System bit Binary digitBinary digit Represents smallest unit of data in the form of either 0 or 1Represents smallest unit of data in the form of either 0 or 1byte String of bits, usually eightString of bits, usually eight Stores one number or characterStores one number or character

5. 6.5 © 2003 by Prentice Hall COMPUTER HARDWARE AND INFORMATION TECHNOLOGY INFRASTRUCTURE Essentials of Management Information Systems Chapter 6 Managing Hardware and Software Assets Bits and Bytes Figure 6-2

6. 6.6 © 2003 by Prentice Hall STORAGE, INPUT AND OUTPUT TECHNOLOGY Essentials of Management Information Systems Chapter 6 Managing Hardware and Software Assets Input and Output Devices

7. 6.7 © 2003 by Prentice Hall STORAGE, INPUT AND OUTPUT TECHNOLOGY Essentials of Management Information Systems Chapter 6 Managing Hardware and Software Assets Input and Output Devices

8. 6.8 © 2003 by Prentice Hall Computer Hardware: 2. Input and Output Devices

9. 6.9 © 2003 by Prentice Hall Input and Output Input devices convert data and programs that people can understand into a form comprehensible to the CPU.Input devices convert data and programs that people can understand into a form comprehensible to the CPU. Output devices convert the strings of bits used by the computer back into a form that people can understand.Output devices convert the strings of bits used by the computer back into a form that people can understand.

10. 6.10 © 2003 by Prentice HallKeyboards Keyboards can differ in number of keys, key arrangement, types of special keys, and touch.Keyboards can differ in number of keys, key arrangement, types of special keys, and touch. Function keys enable software packages to be customized to meet a user's applications needs.Function keys enable software packages to be customized to meet a user's applications needs. The numeric keypad makes it easy to enter numbers quickly.The numeric keypad makes it easy to enter numbers quickly.

11. 6.11 © 2003 by Prentice Hall Keyboards

12. 6.12 © 2003 by Prentice Hall Pointing Devices: Mouse Older mechanical mice move a ball on the bottom of the mouse.Older mechanical mice move a ball on the bottom of the mouse. Newer optical mice are completely sealed and don’t require cleaning.Newer optical mice are completely sealed and don’t require cleaning. Common mouse operations are clicking, scrolling, and dragging and dropping.Common mouse operations are clicking, scrolling, and dragging and dropping. Mouse

13. 6.13 © 2003 by Prentice Hall Mouse

14. 6.14 © 2003 by Prentice Hall Pointing Devices: Electronic Pens Electronic pen: an alternative to the mouse to select objects or to write or draw on the screenElectronic pen: an alternative to the mouse to select objects or to write or draw on the screen Devices that use pen input:Devices that use pen input: –Graphics tablets –Signature capture devices –Pen-based computers

15. 6.15 © 2003 by Prentice Hall Electronic Pens

16. 6.16 © 2003 by Prentice Hall Electronic Pens

17. 6.17 © 2003 by Prentice Hall Pointing Devices: Touch Screens Touch screens are used:Touch screens are used: –When other input devices are impractical

18. 6.18 © 2003 by Prentice Hall Other Pointing Devices JoystickJoystick TrackballTrackball Pointing stickPointing stick Touch padTouch pad

19. 6.19 © 2003 by Prentice Hall Scanners and Related Devices Source data automation involves collecting data in machine-readable form as soon as it is generated.Source data automation involves collecting data in machine-readable form as soon as it is generated. Source data automation is used to convert source documents into digital form and commonly utilizes some type of scanner.Source data automation is used to convert source documents into digital form and commonly utilizes some type of scanner.

20. 6.20 © 2003 by Prentice Hall Optical Scanners Optical scanner: converts hard-copy images of text pages, photographs, and drawings into digital formOptical scanner: converts hard-copy images of text pages, photographs, and drawings into digital form Types of image scanners:Types of image scanners: –Flatbed –Sheet-fed –Hand-held –Drum –Three-dimensional With optical character recognition (OCR), some scanners can recognize scanned-in text. With optical character recognition (OCR), some scanners can recognize scanned-in text..

21. 6.21 © 2003 by Prentice Hall Optical Scanners

22. 6.22 © 2003 by Prentice Hall Optical Readers Optical marksOptical marks Optical charactersOptical characters Optical codesOptical codes

23. 6.23 © 2003 by Prentice Hall Barcode Scanner

24. 6.24 © 2003 by Prentice Hall Multimedia Input: Digital Cameras Digital cameras record data onto digital media instead of film.Digital cameras record data onto digital media instead of film. The camera is either connected to a port on the PC or media is inserted into a reader attached to the PC.The camera is either connected to a port on the PC or media is inserted into a reader attached to the PC. Software that comes with the camera then allows you to transfer images to the PC and erase media so more photos can be taken.Software that comes with the camera then allows you to transfer images to the PC and erase media so more photos can be taken.

25. 6.25 © 2003 by Prentice Hall Digital Cameras

26. 6.26 © 2003 by Prentice Hall Multimedia Input: Video Cameras Video cameras can be used to either record or send images over the Internet.Video cameras can be used to either record or send images over the Internet. Video input can also be obtained by using special hardware to transfer conventional video images to the computer.Video input can also be obtained by using special hardware to transfer conventional video images to the computer.

27. 6.27 © 2003 by Prentice Hall PC video camera

28. 6.28 © 2003 by Prentice Hall Multimedia Input: Audio Input Devices Voice-input systems convert spoken words to digital data.Voice-input systems convert spoken words to digital data. Music-input systems can record musical input for use with a multimedia presentation or to be edited or combined with other input.Music-input systems can record musical input for use with a multimedia presentation or to be edited or combined with other input. Telephony is the process of performing telephone-oriented tasks using a computer.Telephony is the process of performing telephone-oriented tasks using a computer.

29. 6.29 © 2003 by Prentice Hall Voice Input System