A.I.S. Class 6: Outline I Questions from Chapter 2? I Learning Objectives for Chapter 3 I Hardware I Software I Systems Configuration I Group Work for Chapter 3 Dr. Peter R Gillett September 25, 2000 1
Questions from Chapter 2 ? Dr. Peter R Gillett September 25, 2000 2
Learning Objectives for Chapter 3 I After studying this chapter you should be able to: N describe various information technologies used for data input N explain in some technical detail the components of a computer system N explain the technologies used to process data N describe alternative computer output technologies N distinguish between systems software and applications software Dr. Peter R Gillett September 25, 2000 3
Learning Objectives for Chapter 3 I After studying this chapter you should be able to: N describe the categories and functions of systems software N describe the categories and functions of applications software N briefly describe the issues surrounding systems configurations. Dr. Peter R Gillett September 25, 2000 4
Hardware I Input Technology I Processor Technology I Storage Technology I Output Technology Dr. Peter R Gillett September 25, 2000 5
Input Devices I Keying devices (on-line or off-line) I Mouse (trackball, trackpad, trackpoint) I Light pens I Touch screens I Audio & video input I Bar code scanners, OCR & MICR I POS devices I Scanners Dr. Peter R Gillett September 25, 2000 6
Processor Technology I CPU (registers, control unit, ALU) I Clock I Cache memory I Data bus, address bus, control bus I ISA, PCI, USB, FireWire I Processors N 8088, 8086, 80186, 80286, 80386, 80486 DX & SX N Pentium, Pentium Pro, Pentium MMX, Pentium II, Pentium II Xeon, Celeron, Pentium III N AMD (K6, K6-2, K-6 III, Athlon), Motorola PowerPC Dr. Peter R Gillett September 25, 2000 7
Storage Technology I ROM, RAM, SRAM, DRAM, SDRAM, ECC, RDRAM I Magnetic tape I Hard disks, floppy disks I EIDE (Ultra ATA), SCSI I ZIP, LS-120, JAZ I CD-ROM, CD-R, CD-RW I DVD Dr. Peter R Gillett September 25, 2000 8
Output Technology I Printers N Dot matrix N Ink jet N Laser I Video display N PCI v AGP N VGA N SVGA N XGA N TFT I Sound cards, MIDI interfaces Dr. Peter R Gillett September 25, 2000 9
Software I Systems Software I Programming Languages I Application Software F General Purpose F Special Purpose Dr. Peter R Gillett September 25, 2000 10
Systems Software I Operating systems F multitasking, multiprogramming, multiprocessing F DOS, WINDOWS 3.1, 95, 98, NT, 2000, OS/2, System 8.1, Unix, Linux F GUIs I Utilities (e.g., debuggers) I Language translators F assemblers, compilers, interpreters Dr. Peter R Gillett September 25, 2000 11
Programming Languages I First, second, third, fourth generation I Object-oriented programming languages F encapsulation F polymorphism F inheritance Dr. Peter R Gillett September 25, 2000 12
Application Software I General purpose F word processing F spreadsheets F presentation graphics F databases F communication F organizers Dr. Peter R Gillett September 25, 2000 13
Application Software I Special purpose F low-end accounting packages N Quicken, Quickbooks Pro, Microsoft Money, PEACHTREE F mid-range packages N Great Plains Dynamics, Macola, SBT F high-end packages N SAP, Oracle, PeopleSoft, BAAN, JD Edwards Dr. Peter R Gillett September 25, 2000 14
Systems Configurations I Supercomputers I Mainframes I Minicomputers I Servers I Workstations I Desktops I Laptops (notebooks) I Palmtops (PDAs) Dr. Peter R Gillett September 25, 2000 15
Group Work for Chapter 3 I Discussion Questions I Problems and Exercises 3 I Appendix 1 - Automated Procedures for Sales and Collections Dr. Peter R Gillett September 25, 2000 16
Recommend
More recommend