Ict Chapter 7

Question 1

What is direct implementation

Answer 1

Direct implement, the old system is stopped overnight and the new system is introduced instantly.

Question 2

What is parallel implementation

Answer 2

Uses both old and new system side by side until new takes over

Question 3

What is pilot implementation

Answer 3

New system is introduced only into one branch of the company

Question 4

What is phased implementation

Answer 4

Only part of the system is introduced, once satisfactory, more parts are introduced until old system is replaced

Question 5

Advantage of direct implementation

Answer 5

Cheap, the benefits are immediate

Question 6

Disadvantage of direct implementation

Answer 6

If the system fail, there is no backup, as old system is not available

Question 7

Advantage of parallel

Answer 7

Old system is still available, possible to train staff

Question 8

Disadvantage of parallel implementation

Answer 8

More expensive, more time consuming

Question 9

Advantage of pilot implementation

Answer 9

If it fails only one part is affected, much faster, less expensive than parallel

Question 10

Advantage of phased implementation

Answer 10

It’s not disastrous, able to test if it works beforehand

Question 11

Disadvantages of phased implementation

Answer 11

More expensive, time consuming