Chapter 6 Flashcards

1
Q

Describes functional requirements of a system

A

Logical design

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2
Q

Specifies the characteristics of the system components necessary to put the logical design into action

A

Physical design

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3
Q

Environmental Design Considerations (3)

A
  1. slash power consumption
  2. require less physical space
  3. disposed in a way that doesn’t negatively affect the environment
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4
Q

Decision-making group is appointed and given the responsibility of making the final evaluation and selection

A

group consensus

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5
Q

Lists the costs and benefits of each proposed system

A

Cost/benefit analysis

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6
Q

An examination that compares computer systems operating under the same conditions

A

Benchmark test

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7
Q

Evaluation process in which each evaluation factor is assigned a weight, in percentage points, based on importance

A

Point evaluation

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8
Q

Combines software from various vendors into a finished system

A

Commercial off-the-shelf (COTS)

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9
Q

Allows businesses to subscribe to Web-delivered application software by paying a monthly service charge

A

Software as a Service (SaaS)

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10
Q

A blend of hardware and software

A

databases

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11
Q

Cutover stages

A

Direct, phase in, pilot, parallel

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12
Q

Stopping the old system and starting the new system on a given date.
High risk approach – because of the potential for problems and errors when the old system is shut off and the new system is turned on at the same instant.

A

Direct conversion

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13
Q

Components of new system are slowly phased in while components of the old one are slowly phased out.
Can take several months

A

Phase in approach

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14
Q

Involves running the complete new system for 1 group of users rather than all users.

A

Pilot start-up

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15
Q

running both old & new systems for a period of time.
Performance & output of new system is compared closely with the old system and any differences will be solved and made consistent with each other

A

Parallel Start-up

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16
Q

Triggered by a problem or opportunity

A

Event-driven review

17
Q

Performed after a specified amount of time

A

Time-driven review