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TECHNOLOGY GUIDE ONE

TECHNOLOGY GUIDE ONE. Computer Hardware. TECHNOLOGY GUIDE OUTLINE. TG1.1 Introduction TG1.2 Strategic Hardware Issues TG1.3 Innovations in Hardware Utilization TG1.4 Computer Hierarchy TG1.5 Input and Output Technologies TG1.6 The Central Processing Unit TG1.7 Computer Memory.

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TECHNOLOGY GUIDE ONE

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  1. TECHNOLOGY GUIDE ONE Computer Hardware

  2. TECHNOLOGY GUIDE OUTLINE TG1.1 Introduction TG1.2 Strategic Hardware Issues TG1.3 Innovations in Hardware Utilization TG1.4 Computer Hierarchy TG1.5 Input and Output Technologies TG1.6 The Central Processing Unit TG1.7 Computer Memory

  3. LEARNING OBJECTIVES • Identify the major hardware components of a computer system. • Discuss the strategic issues that link hardware design to business strategy. • Discuss the innovations in hardware utilization. • Describe the hierarchy of computers according to power and their respective roles.

  4. LEARNING OBJECTIVES (continued) • Differentiate the various types of input and output technologies and their uses. • Describe the design and functioning of the central processing unit. • Discuss the relationships between microprocessor component designs and performance.

  5. LEARNING OBJECTIVES (continued) • Describe the main types of primary and secondary storage. • Distinguish between primary and secondary storage along the dimensions of speed, cost, and capacity. • Define enterprise storage, and describe the various types of enterprise storage.

  6. Hardware consists of: • Central processing unit (CPU) – think of a chef in a kitchen • Primary storage – think of the counter space in the kitchen • Secondary storage – think about storage in the cupboard • Input technologies • Output technologies • Communication technologies

  7. TG1.2 Strategic Hardware Issues • How do organizations keep up with the rapid price and performance advancements in hardware? • How often should an organization upgrade its computers and storage systems? • Will upgrades increase personal and organizational productivity? • How can organizations measure such increase? • How do organizations manage telecommuting?

  8. TG1.3 Innovations in HardwareUtilization (not so important) • Server Farms • Virtualization • Grid computing • Utility computing • Cloud computing • Edge Computing • Autonomic Computing • Nanotechnology

  9. TG1.4 Computer Hierarchy • Supercomputers • Mainframe Computers • Midrange Computers • Workstations • Notebooks and Desktop Computers • Ultra-mobile PCs • Computing devices

  10. TG1.5 Input and Output Technologies Input technologies Human data-entry Source-data automation

  11. Output Technologies • Output • Monitors • Printers • Plotters • Voice

  12. TG1.6 The Central Processing Unit Central processing unit (CPU) Microprocessor • Control unit • Arithmetic-logic unit (ALU) • Registers

  13. How the CPU Works • Binary form • Machine instruction cycle • Clock speed • Word length • Bus width • Line width

  14. Advances in Microprocessor Design Moore’s Law

  15. TG1.7 Computer Memory Two basic categories of computer memory: • Primary Storage • Secondary Storage

  16. Hierarchy of Memory Capacity • Kilobyte – 1,000 (thousand) • Megabyte – 1,000,000 (million) • Gigabyte – 1,000,000,000 (billion) • Terabyte – 1,000,000,000,000 (trillion) • Petabyte – 1,000,000,000,000,000 • Exabyte – 1,000,000,000,000,000,000 • Zettabyte – 1,000,000,000,000,000,000,000

  17. What's a Google?"Googol" is the mathematical term for a 1 followed by 100 zeros. The term was coined by Milton Sirotta, nephew of American mathematician Edward Kasner, and was popularized in the book, "Mathematics and the Imagination" by Kasner and James Newman. Google's play on the term reflects the company's mission to organize the immense amount of information available on the web.

  18. Primary Storage • Primary storage or main memory

  19. Main Types of Primary Storage • Registers (fastest primary storage) • Random access memory (RAM) • Cache memory • Read-only memory (ROM) (slowest primary storage)

  20. Secondary Storage Secondary Storage • Magnetic tape (sequential access) slow • Magnetic disks (direct access) faster About Capacity • Compact Disk, Read-Only Memory (CD-ROM) • Digital Video Disk (DVD)

  21. Flash Memory Devices Flash memory Flash memory devices Thumb drive

  22. Enterprise Storage Systems Enterprise storage system • Redundant Arrays of Independent Disks (RAID) • Storage Area Network (SAN) • Network Attached Storage (NAS)

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