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c h a p t e r 5 MANAGING MANAGING HARDWARE HARDWARE ASSETS ASSETS
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Page 1: Managing hardware assets

c h a p t e r

55MANAGINGMANAGING

HARDWAREHARDWARE

ASSETSASSETS

Page 2: Managing hardware assets

LEARNING OBJECTIVESLEARNING OBJECTIVES

• IDENTIFY HARDWARE COMPONENTSIDENTIFY HARDWARE COMPONENTS• DESCRIBE STORAGE, INPUT, DESCRIBE STORAGE, INPUT,

OUTPUT TECHNOLOGIESOUTPUT TECHNOLOGIES• COMPARE MAINFRAME, COMPARE MAINFRAME,

MIDRANGE, PERSONAL MIDRANGE, PERSONAL COMPUTERS, SUPER COMPUTERS, SUPER COMPUTERSCOMPUTERS

**

Page 3: Managing hardware assets

LEARNING OBJECTIVESLEARNING OBJECTIVES• COMPARE ARRANGEMENTS OF COMPARE ARRANGEMENTS OF

COMPUTER PROCESSING: COMPUTER PROCESSING: CLIENT/SERVER, NETWORKCLIENT/SERVER, NETWORK

• ANALYZE TECHNOLOGY ANALYZE TECHNOLOGY ISSUESISSUES

**

Page 4: Managing hardware assets

MANAGEMENT CHALLENGESMANAGEMENT CHALLENGES

• INFRASTRUCTURE TECHNOLOGYINFRASTRUCTURE TECHNOLOGY

• SECONDARY STORAGESECONDARY STORAGE

• STORAGE INPUT & OUTPUT STORAGE INPUT & OUTPUT TECHNOLOGIESTECHNOLOGIES

• TYPES OF COMPUTERS & TYPES OF COMPUTERS & SYSTEMSSYSTEMS

• MANAGING HARDWARE MANAGING HARDWARE ASSETSASSETS

**

Page 5: Managing hardware assets

MANAGEMENT CHALLENGESMANAGEMENT CHALLENGES

1. CENTRALIZATION VERSUS 1. CENTRALIZATION VERSUS DECENTRALIZATION DEBATEDECENTRALIZATION DEBATE

2. MAKING WISE TECHNOLOGY 2. MAKING WISE TECHNOLOGY PURCHASING DECISIONSPURCHASING DECISIONS

**

Page 6: Managing hardware assets

INPUTDEVICES

SECONDARY STORAGE

PRIMARY STORAGE

COMPUTER COMPONENTSCOMPUTER COMPONENTSCPU

OUTPUT DEVICES

COMMUNICATIONS DEVICES

BUSES

Page 7: Managing hardware assets

• BIT:BIT: Binary Digit. On/Off, 0/1, Magnetic/NotBinary Digit. On/Off, 0/1, Magnetic/Not• BYTE:BYTE: Group of bits for one characterGroup of bits for one character

– EBCDIC- EBCDIC- Extended Binary Coded Decimal Extended Binary Coded Decimal Interchange Code (8 or 9 bits per byte)Interchange Code (8 or 9 bits per byte)

– ASCII- ASCII- American Standard Code for American Standard Code for Information Exchange (7 or 8 bits per byte)Information Exchange (7 or 8 bits per byte)

• PARITY BIT:PARITY BIT: extra bit added to each byte to extra bit added to each byte to help detect errorshelp detect errors

**

HOW COMPUTERS REPRESENT DATAHOW COMPUTERS REPRESENT DATA

Page 8: Managing hardware assets

EXAMPLES OF BYTESEXAMPLES OF BYTES

C:C: 1100 0011 0 1100 0011 0 100 0011 1100 0011 1

A:A: 1100 0001 1 1100 0001 1 100 0001 0100 0001 0

T:T: 1110 0011 1 1110 0011 1 101 0100 1 101 0100 1

Note how sum for each byte is an Note how sum for each byte is an EVENEVEN number number

**

EBCDICEBCDIC ASCII ASCII (assume even-parity system)(assume even-parity system)

Page 9: Managing hardware assets

CPU & PRIMARY STORAGECPU & PRIMARY STORAGE

CPUCPUPRIMARYPRIMARY

STORAGESTORAGE

DATA BUSDATA BUS

ADDRESS BUSADDRESS BUS

CONTROL BUSCONTROL BUS

INPUT

DEVICES

OUTPUT

DEVICES

SECONDARY

STORAGE

Page 10: Managing hardware assets

CENTRAL PROCESSING UNIT CENTRAL PROCESSING UNIT (CPU)(CPU)

RAMRAM

PRIMARY (MAIN) MEMORYPRIMARY (MAIN) MEMORY

CONTROL UNITCONTROL UNITARITHMETIC/LOGICARITHMETIC/LOGIC

UNITUNIT

ROMROMCLOCKCLOCK

Page 11: Managing hardware assets

ALU & CONTROL UNITALU & CONTROL UNIT

• ARITHMETIC- LOGIC UNIT:ARITHMETIC- LOGIC UNIT: CPU CPU component performs logic and component performs logic and arithmetic operationsarithmetic operations

• CONTROL UNIT:CONTROL UNIT: CPU component CPU component controls, coordinates other parts of controls, coordinates other parts of computer systemcomputer system

**

© 2002 by Prentice Hall

Page 12: Managing hardware assets

STEPS NEEDED FOR SINGLE STEPS NEEDED FOR SINGLE INSTRUCTIONINSTRUCTION

• PCs & OLDER MACHINES:PCs & OLDER MACHINES: Microseconds Microseconds (millionth second)(millionth second)

• POWERFUL MACHINES:POWERFUL MACHINES: Nanoseconds Nanoseconds (billionth second)(billionth second)

**

MACHINE CYCLEMACHINE CYCLE

Page 13: Managing hardware assets

COMPUTER TIMECOMPUTER TIME

MillisecondMillisecond .001 second thousand.001 second thousand 15min 40 sec15min 40 sec

MicrosecondMicrosecond .001 millisecond million 11.6 days .001 millisecond million 11.6 days

Nanosecond Nanosecond .001microsecond billion .001microsecond billion 31.7 years31.7 years

PicosecondPicosecond .001 nanosecond trillion.001 nanosecond trillion 31,700 years 31,700 years

**

NAME LENGTH SECOND TO 1 SECONDNAME LENGTH SECOND TO 1 SECOND

# PER COMPARED# PER COMPARED

Page 14: Managing hardware assets

TYPES OF MEMORYTYPES OF MEMORY

• RAM:RAM: Random Access MemoryRandom Access Memory

– Dynamic: Dynamic: Changes thru processingChanges thru processing

– Static: Static: Remains constant (power on)Remains constant (power on)

• ROM:ROM: Read Only Memory (preprogrammed)Read Only Memory (preprogrammed)

– PROM: PROM: Program can be changed onceProgram can be changed once

– EPROM: EPROM: Erasable thru ultraviolet lightErasable thru ultraviolet light

– EEPROM: EEPROM: Electrically erasableElectrically erasable

**

Page 15: Managing hardware assets

ADDRESSES IN MEMORYADDRESSES IN MEMORY

101101 102102 103103

201201

301301

202202 203203

302302 303303

Each location can hold data Each location can hold data

Each location is a Each location is a REGISTERREGISTER

Page 16: Managing hardware assets

MEMORY SIZEMEMORY SIZE

• KILOBYTE (KT):KILOBYTE (KT): 221010 bytes... 1024 bytes bytes... 1024 bytes• MEGABYTE (MB):MEGABYTE (MB): 221010 KB... “million” bytes KB... “million” bytes• GIGABYTE (GB):GIGABYTE (GB): 221010 MB... “billion” bytes MB... “billion” bytes• TERABYTE (TB):TERABYTE (TB): 221010 GB... “trillion” bytes GB... “trillion” bytes

**

Page 17: Managing hardware assets

VLSI CIRCUIT WITH CPUVLSI CIRCUIT WITH CPU• WORD LENGTH:WORD LENGTH: Bits processed at one timeBits processed at one time• MEGAHERTZ:MEGAHERTZ: One million cycles per secondOne million cycles per second• DATA BUS WIDTH:DATA BUS WIDTH: Bits moved between CPU & other Bits moved between CPU & other

devicesdevices• REDUCED INSTRUCTION SET COMPUTING (RISC):REDUCED INSTRUCTION SET COMPUTING (RISC):

Embeds most used instructions on chip to enhance Embeds most used instructions on chip to enhance speedspeed

• MultiMedia eXtension (MMX):MultiMedia eXtension (MMX): Enhanced Intel chip Enhanced Intel chip improves multimedia applicationsimproves multimedia applications

**

MICROPROCESSORMICROPROCESSOR

Page 18: Managing hardware assets

SEQUENTIAL & PARALLEL PROCESSINGSEQUENTIAL & PARALLEL PROCESSING

SEQUENTIAL PARALLELSEQUENTIAL PARALLEL

TASK 1

RESULT

TASK 2

RESULT

ProgramProgram

CPUCPU

ProgramProgram

CPUCPU

ProgramProgram

CPUCPUTASK 2TASK 2

CPUCPUTASK 3TASK 3

CPUCPUTASK 1TASK 1

RESULTRESULT

MASSIVE PARALLEL MASSIVE PARALLEL COMPUTERS CAN HAVE COMPUTERS CAN HAVE THOUSANDS OF CPUs TO THOUSANDS OF CPUs TO ATTACK LARGE COMPUTING ATTACK LARGE COMPUTING PROBLEMSPROBLEMS

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•DISKDISK

•TAPETAPE

•OPTICAL STORAGEOPTICAL STORAGE

**

SECONDARY STORAGESECONDARY STORAGE

Page 20: Managing hardware assets

DIRECT ACCESS DIRECT ACCESS STORAGE DEVICESTORAGE DEVICE

• HARD DISK:HARD DISK: Steel platter array for Steel platter array for large computer systemslarge computer systems

• RAID:RAID: Redundant array of Redundant array of Inexpensive DisksInexpensive Disks

• FLOPPY DISK:FLOPPY DISK: Removable disk for Removable disk for PCPC

**

Page 21: Managing hardware assets

DISK PACK STORAGEDISK PACK STORAGE

• LARGE SYSTEMSLARGE SYSTEMS

• RELIABLE STORAGERELIABLE STORAGE

• LARGE AMOUNTS OF DATALARGE AMOUNTS OF DATA

• QUICK ACCESS & RETRIEVABLEQUICK ACCESS & RETRIEVABLE

• TYPICAL: 11 2-sided disksTYPICAL: 11 2-sided disks

• CYLINDER:CYLINDER: Same track all surfaces Same track all surfaces

**

CYLINDER 10: TRACK 10 (TOP AND BOTTOM OF EACH DISK)CYLINDER 10: TRACK 10 (TOP AND BOTTOM OF EACH DISK)

DISK 1DISK 1DISK 2DISK 2DISK 3DISK 3DISK 4DISK 4DISK 5DISK 5

READ/WRITEREAD/WRITEHEADSHEADS

Page 22: Managing hardware assets

TRACKS AND SECTORSTRACKS AND SECTORS

EACH TRACK HOLDSEACH TRACK HOLDSSAME AMOUNT OF DATASAME AMOUNT OF DATA

SECTORSECTOR

TRACKSTRACKS

DIRECTORY ON TRACK 0DIRECTORY ON TRACK 0

STARTSTARTOFOFTRACKSTRACKS

Page 23: Managing hardware assets

• CD-ROM:CD-ROM: 500-660 MEGABYTES500-660 MEGABYTES

–LAND: LAND: Flat parts of disk surface reflects lightFlat parts of disk surface reflects light

–PITS: PITS: small scratch on surface scatters lightsmall scratch on surface scatters light

• WRITE ONCE / READ MANY (WORM):WRITE ONCE / READ MANY (WORM):–CD-R: CD-R: Compact Disk - RecordableCompact Disk - Recordable–CD-RW: CD-RW: CD - RewritableCD - Rewritable

• DIGITAL VIDEO DISK (DVD):DIGITAL VIDEO DISK (DVD): CD size, up to 10 CD size, up to 10 gigabytes of datagigabytes of data

**

OPTICAL STORAGEOPTICAL STORAGE

Page 24: Managing hardware assets

• STANDARD FOR STANDARD FOR SEQUENTIAL FILESSEQUENTIAL FILES• SPOOL OF PLASTIC TAPE COVERED WITH SPOOL OF PLASTIC TAPE COVERED WITH

FERROUS OXIDE (2400 feet per spool)FERROUS OXIDE (2400 feet per spool)

• RECORD GROUPS:RECORD GROUPS: BLOCKING FACTORBLOCKING FACTOR (e.g., (e.g., 10 records per block)10 records per block)

• GROUPS SEPARATED BY GROUPS SEPARATED BY INTER-BLOCK GAPINTER-BLOCK GAP• RECORDS READ BLOCK AT A TIMERECORDS READ BLOCK AT A TIME

**

HEADER IBG BLOCK 1 BLOCK 2 BLOCK 3

MAGNETIC TAPEMAGNETIC TAPE

Page 25: Managing hardware assets

• ENCLOSED FERROUS OXIDE TAPEENCLOSED FERROUS OXIDE TAPE

• USED PERIODICALLY TO BACK UP USED PERIODICALLY TO BACK UP RECORDSRECORDS

• INEXPENSIVEINEXPENSIVE

• STORED IN SAFE LOCATIONSTORED IN SAFE LOCATION

• CAN BE REUSEDCAN BE REUSED

**

MAGNETIC MAGNETIC CARTRIDGECARTRIDGE

Page 26: Managing hardware assets

STORAGE AREA NETWORK STORAGE AREA NETWORK (SAN)(SAN)

• HIGH-SPEED NETWORKHIGH-SPEED NETWORK• CONNECTS VARIOUS STORAGE DEVICESCONNECTS VARIOUS STORAGE DEVICES

– TAPE LIBRARIESTAPE LIBRARIES– DISK ARRAYSDISK ARRAYS

STORAGE SERVICE STORAGE SERVICE PROVIDER:PROVIDER: 3rd party 3rd party rents storage rents storage spacespace

**

Page 27: Managing hardware assets

INPUT/OUTPUT DEVICESINPUT/OUTPUT DEVICES

• POINTING DEVICESPOINTING DEVICES

• SOURCE DATA AUTOMATIONSOURCE DATA AUTOMATION

• OUTPUT DEVICESOUTPUT DEVICES

**

Page 28: Managing hardware assets

POINTING DEVICES:POINTING DEVICES:

• KEYBOARDKEYBOARD• MOUSEMOUSE

– WIREDWIRED– INFRA-REDINFRA-RED– TRACKBALLTRACKBALL– TOUCH PADTOUCH PAD

• JOYSTICKJOYSTICK• TOUCH SCREENTOUCH SCREEN

**

Page 29: Managing hardware assets

SOURCE DATA AUTOMATIONSOURCE DATA AUTOMATION

CAPTURES DATA IN COMPUTER FORM AT TIME CAPTURES DATA IN COMPUTER FORM AT TIME & PLACE OF TRANSACTION& PLACE OF TRANSACTION

• OPTICAL CHARACTER RECOGNITION (OCR):OPTICAL CHARACTER RECOGNITION (OCR): Saves characters, formatSaves characters, format

• BAR CODE:BAR CODE: Identifies products in stores, Identifies products in stores, warehouses, shipmentswarehouses, shipments

• MAGNETIC INK CHARACTER RECOGNITION MAGNETIC INK CHARACTER RECOGNITION (MICR):(MICR): Special ink identifies bank, account, Special ink identifies bank, account, amountamount

**

Page 30: Managing hardware assets

SOURCE DATA AUTOMATIONSOURCE DATA AUTOMATION

• PEN-BASED INPUT:PEN-BASED INPUT: Digitizes signatureDigitizes signature• DIGITAL SCANNER:DIGITAL SCANNER: Translates images & Translates images &

characters into digital formcharacters into digital form• VOICE INPUT DEVICES:VOICE INPUT DEVICES: Converts spoken Converts spoken

word into digital formword into digital form• SENSORS:SENSORS: Devices that collect Devices that collect data data

fromfrom environment for computer environment for computer input input (e.g., thermometers, pressure gauges)(e.g., thermometers, pressure gauges)

**

Page 31: Managing hardware assets

OUTPUT DEVICES:OUTPUT DEVICES:

• CATHODE RAY TUBE CATHODE RAY TUBE (CRT)(CRT)

• PRINTERPRINTER

• PLOTTERPLOTTER

• VOICE OUTPUT DEVICEVOICE OUTPUT DEVICE

**

Page 32: Managing hardware assets

DATA PROCESSINGDATA PROCESSING

• BATCH PROCESSING:BATCH PROCESSING: Transaction data Transaction data stored until convenient to process as a stored until convenient to process as a group. Useful for less time-sensitive group. Useful for less time-sensitive actions. actions.

• ON-LINE PROCESSING:ON-LINE PROCESSING: Transaction data Transaction data entered directly into system, constantly entered directly into system, constantly updating files. Requires direct-access updating files. Requires direct-access devices.devices.

**

Page 33: Managing hardware assets

KEYBOARD INPUTKEYBOARD INPUTBATCH OF BATCH OF TRANSACTIONSTRANSACTIONS

SORTED SORTED TRANSACTION FILETRANSACTION FILE

OLD MASTER OLD MASTER FILEFILE

NEW NEW MASTER FILEMASTER FILE

VALIDATE AND UPDATEVALIDATE AND UPDATE

ERROR ERROR REPORTSREPORTS

REPORTSREPORTS

BATCH PROCESSINGBATCH PROCESSING

Page 34: Managing hardware assets

ON-LINE PROCESSINGON-LINE PROCESSING

TRANSACTIONSTRANSACTIONS

KEYBOARDKEYBOARD

PROCESS / PROCESS / UPDATE UPDATE

MASTER FILEMASTER FILE

MASTER MASTER FILEFILE

IMMEDIATE IMMEDIATE INPUTINPUT

IMMEDIATE IMMEDIATE PROCESSINGPROCESSING

IMMEDIATE IMMEDIATE FILE UPDATEFILE UPDATE

Page 35: Managing hardware assets

INTERACTIVE MULTIMEDIAINTERACTIVE MULTIMEDIA

• INTEGRATES TWO OR MORE MEDIAINTEGRATES TWO OR MORE MEDIA

• TEXT, GRAPHICS, SOUND, VOICE, TEXT, GRAPHICS, SOUND, VOICE, VIDEO, ANIMATIONVIDEO, ANIMATION

• STREAMING TECHNOLOGYSTREAMING TECHNOLOGY

• MP3:MP3: Audio compression standard Audio compression standard

**

Page 36: Managing hardware assets

CATEGORIES OF COMPUTERSCATEGORIES OF COMPUTERS

• MAINFRAMEMAINFRAME

• MIDRANGE & MINICOMPUTERMIDRANGE & MINICOMPUTER

• SERVERSERVER

• PERSONAL COMPUTER PERSONAL COMPUTER (PC)(PC)

• WORKSTATIONWORKSTATION

• SUPERCOMPUTERSUPERCOMPUTER

**

Page 37: Managing hardware assets

MAINFRAMEMAINFRAME

• LARGEST ENTERPRISE COMPUTERLARGEST ENTERPRISE COMPUTER

• 5O MEGABYTES TO OVER ONE 5O MEGABYTES TO OVER ONE GIGABYTE RAMGIGABYTE RAM

• COMMERCIAL, SCIENTIFIC, MILITARY COMMERCIAL, SCIENTIFIC, MILITARY APPLICATIONSAPPLICATIONS

• MASSIVE DATAMASSIVE DATA

• COMPLICATED COMPUTATIONSCOMPLICATED COMPUTATIONS

**

MIPS: Millions of Instructions per secondMIPS: Millions of Instructions per second

Page 38: Managing hardware assets

MIDRANGE/MINICOMPUTERMIDRANGE/MINICOMPUTER

• MIDDLE-RANGEMIDDLE-RANGE• 10 MEGABYTES TO OVER ONE 10 MEGABYTES TO OVER ONE

GIGABYTE RAMGIGABYTE RAM• UNIVERSITIES, FACTORIES, LABSUNIVERSITIES, FACTORIES, LABS• USED AS FRONT-END PROCESSOR USED AS FRONT-END PROCESSOR

FOR MAINFRAMEFOR MAINFRAME

**

Page 39: Managing hardware assets

• DESKTOP OR PORTABLEDESKTOP OR PORTABLE• 64 KILOBYTES TO OVER 128 64 KILOBYTES TO OVER 128

MEGABYTES RAMMEGABYTES RAM• PERSONAL OR BUSINESS COMPUTERSPERSONAL OR BUSINESS COMPUTERS• AFFORDABLEAFFORDABLE• MANY AVAILABLE COMPONENTSMANY AVAILABLE COMPONENTS• CAN BE NETWORKEDCAN BE NETWORKED

**

MICROCOMPUTERMICROCOMPUTER

Page 40: Managing hardware assets

• NETWORKED COMPUTERSNETWORKED COMPUTERS• CLIENT:CLIENT: User (PC, workstation, User (PC, workstation,

laptop) requires data, application, laptop) requires data, application, communications it does not havecommunications it does not have

• SERVER:SERVER: Component (computer) Component (computer) having desired data, application, having desired data, application, communicationscommunications

**

CLIENT / SERVERCLIENT / SERVER

Page 41: Managing hardware assets

CLIENT SERVERREQUESTS

DATA, SERVICE

USER INTERFACEUSER INTERFACE

APPLICATION APPLICATION

FUNCTIONFUNCTION

DATADATA

APPLICATION FUNCTIONAPPLICATION FUNCTION

NETWORK RESOURCESNETWORK RESOURCES

CLIENT / SERVERCLIENT / SERVER

Page 42: Managing hardware assets

WORKSTATIONWORKSTATION

• DESKTOP COMPUTERDESKTOP COMPUTER

• POWERFUL GRAPHICSPOWERFUL GRAPHICS

• EXTENSIVE MATH CAPABILITIESEXTENSIVE MATH CAPABILITIES

• MULTI-TASKINGMULTI-TASKING

• USUALLY CONFIGURED TO SPECIAL USUALLY CONFIGURED TO SPECIAL FUNCTION:FUNCTION: e.g.; CAD, engineering, e.g.; CAD, engineering, graphicsgraphics

**

Page 43: Managing hardware assets

SUPERCOMPUTERSUPERCOMPUTERTERAFLOP: TRILLION TERAFLOP: TRILLION

CALCULATIONS/SECONDCALCULATIONS/SECOND

• HIGHLY SOPHISTICATEDHIGHLY SOPHISTICATED

• COMPLEX COMPUTATIONSCOMPLEX COMPUTATIONS

• FASTEST CPUsFASTEST CPUs

• LARGE SIMULATIONSLARGE SIMULATIONS

• STATE-OF-THE-ARTSTATE-OF-THE-ART COMPONENTS COMPONENTS

• EXPENSIVEEXPENSIVE

**

Page 44: Managing hardware assets

• CENTRALIZED:CENTRALIZED: PROCESSING BY CENTRAL PROCESSING BY CENTRAL COMPUTER SITECOMPUTER SITE– ONE STANDARDONE STANDARD– GREATER CONTROLGREATER CONTROL

• DISTRIBUTED:DISTRIBUTED: PROCESSING BY SEVERAL PROCESSING BY SEVERAL COMPUTER SITES LINKED BY NETWORKSCOMPUTER SITES LINKED BY NETWORKS– MORE FLEXIBILITYMORE FLEXIBILITY– FASTER RESPONSEFASTER RESPONSE

**

CENTRALIZED / DISTRIBUTEDCENTRALIZED / DISTRIBUTED

Page 45: Managing hardware assets

DOWNSIZINGDOWNSIZING

TRANSFER APPLICATIONS FROM TRANSFER APPLICATIONS FROM LARGE COMPUTERS TO SMALLLARGE COMPUTERS TO SMALL

• REDUCES COSTREDUCES COST

• SPEEDS RESULTS TO USERSPEEDS RESULTS TO USER

• COMPUTER ASSIGNED TASK IT DOES COMPUTER ASSIGNED TASK IT DOES BESTBEST

• COOPERATIVE PROCESSINGCOOPERATIVE PROCESSING

**

Page 46: Managing hardware assets

SHARING COMPUTERSSHARING COMPUTERS

• NETWORK COMPUTER:NETWORK COMPUTER: Simplified Simplified desktop computer stores minimum desktop computer stores minimum data to function (uses server)data to function (uses server)

• PEER-TO-PEER COMPUTING: PEER-TO-PEER COMPUTING: Networked computers share data, Networked computers share data, disk space, processing. Parallel disk space, processing. Parallel processing on a smaller scale processing on a smaller scale

**

Page 47: Managing hardware assets

MANAGING HARDWARE ASSETSMANAGING HARDWARE ASSETS

• UNDERSTAND TECHNOLOGY UNDERSTAND TECHNOLOGY REQUIREMENTSREQUIREMENTS

• DETERMINE DETERMINE TOTAL COST OF OWNERSHIPTOTAL COST OF OWNERSHIP:: Hardware, software, installation, training, Hardware, software, installation, training, support, maintenance, infrastructuresupport, maintenance, infrastructure

• PLAN CAPACITY & SCALABILITYPLAN CAPACITY & SCALABILITY• IDENTIFY TRENDSIDENTIFY TRENDS

**

Page 48: Managing hardware assets

c h a p t e r

55MANAGINGMANAGING

HARDWAREHARDWARE

ASSETSASSETS