meljun cortes acquisition of hardware

7/29/2019 MELJUN CORTES ACQUISITION OF HARDWARE

1/16

Lesson 4 - 1

ADCS

CS219/1098/V3

Chapter 4

Acquisition of Hardware andSoftware

Chapter Objectives: Hardware acquisition

To be able to describe the

hardware acquisition process and

the individual components ofhardware acquisition

Software acquisition

To be able to describe the

software acquisition process andthe individual components of

software acquisition, and why

software acquisition is more

complex than hardware

acquisition


2/16

Lesson 4 - 2

ADCS

CS219/1098/V3

Chapter 4

Acquisition of Hardware andSoftware

Chapter Objectives:

Product attributes definitions and

measurements

To know how product attributes

can be quantified and measured


3/16

Lesson 4 - 3

ADCS

CS219/1098/V3

Acquisition of Hardware and

SoftwareActivities Steps

Identify product attributes

Identify prospective vendors

Cost and benefit analysis

Identify hardware product

Contact vendors

Evaluate attributes based on

vendors claims

Verify attributes by testing

Decision on requisition

Determine

Needs

Preliminary

Investigations

Request for

Proposal

Vendor

TheoreticalBenchmark

Physical

Benchmark

FinalSelection

Hardware Acquisition


4/16

Lesson 4 - 4

ADCS

CS219/1098/V3

1. Determining Needs

Mandatory attributes

Desirable attributes

2. Preliminary Investigation

Sources of available vendors:

Trade publications

Vendors groups

Industry groups

Consultants

Cost and benefit analysis


5/16

Lesson 4 - 5

ADCS

CS219/1098/V3

3. Request for Proposal

To inform vendors:

What you want

When you want it

How the vendor will be selected


6/16

Lesson 4 - 6

ADCS

CS219/1098/V3

Contents of an RFP

SECTION CONTENTS

1. Introduction Reasons for RFP

Organisation name

Contact person

Important dates

2. Organisation Hardware and softwareBackground configuration

History and future

expectations of the firms

3. Requirements Mandatory and desirable

attributes of the product

4. The Form of Format in which the

Proposal proposal must be

submitted

5. Evaluation Criteria Methods of evaluatingthe submitted bids


7/16

Lesson 4 - 7

ADCS

CS219/1098/V3

4. Theoretical Benchmark

What it is

Evaluation of attributes

Mandatory attributes

Desirable attributes

5. Physical Benchmark

Where to conduct

Testing at own site

Testing at independent site

Testing at vendors site

6. Final Selection


8/16

Lesson 4 - 8

ADCS

CS219/1098/V3

Software Acquisition

Software acquisition morecomplex

Steps for acquiring off-the-shelf

application packages


9/16

Lesson 4 - 9

ADCS

CS219/1098/V3

Software AcquisitionProcess

Activities Steps

Is acquisition possible under

current contraints?

Explore alternatives to purchasing

Determine software attributes

Identify prospective vendors

Contact vendor

Evaluate desirable attributes

System testing

Decision on requisition

Preliminary

Feasibility

Analysis

Detailed System

Analysis

Detailed System

Analysis

Request for

Proposal

Benchmark

Selection


10/16

Lesson 4 - 10

ADCS

CS219/1098/V3

1. Preliminary FeasibilityStudy

Alternative solutions:

Buying a turnkey system

Buying software & customising it

Develop the software in-house

Software outsourcing


11/16

Lesson 4 - 11

ADCS

CS219/1098/V3

2. Detailed System Analysis

Objectives:

Determining mandatory and

desirable attributes

Developing a list of vendors


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Lesson 4 - 12

ADCS

CS219/1098/V3

3. Request for Proposal

This step is similar to that ofhardware acquisition

Differences:

Quantification of attributes

Specification of attributes

Measurement of attributes


13/16

Lesson 4 - 13

ADCS

CS219/1098/V3

4. Benchmark

5. Selection


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Lesson 4 - 14

ADCS

CS219/1098/V3

Define & Measure Attributes

Common attributes

Purchase price

Hardware/software compatibility

Delivery date

Warranties

Financing options

Maintenance contract

Training


15/16

Lesson 4 - 15

ADCS

CS219/1098/V3

Hardware Attributes

Attributes Parameter

Storage Capacity Megabyte

Access Time Milliseconds

Nanoseconds

Processor Speed Megahertz

MIPS

Transmission Speed Baud rate

BPS

KBPS

MBPS

Monitor Display Resolution (Pixels)Dot pitch

Display size

Refresh rate

Printing Resolution Dots per inch

Data Transfer Rate Megabytes persecond


16/16

Lesson 4 - 16

ADCS

CS219/1098/V3

Software AttributesAttribute Parameter

Speed Transactions processed per

second

Response time

Screen refresh time

Size Kilobytes

Megabytes

Ease of use Training time

Number of help frames

Reliability Mean time to failure

Probability of unavailability

Rate of failure occurrence

Availability

Robustness Time to restart after failure

Percentage of events causing

failure

Probability of data corruption

after failure

Portability Percentage of target-dependent

statementsNumber of target systems

meljun cortes acquisition of hardware

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