Page 79 - E1 Integrated Workbook STUDENT 2018

The purposse and mmanagemment of thhe technology annd informmation
funnction

3.2 Centralisedd and deceentralisedd systems

A centraliseed IS or deepartment involves all functionss being bassed
ouut of a singgle, central location, ssuch as a hhead officee.

A decentrallised IS (sometimes called disttributed neetwork
arrchitecture) or departtment involves functioons being spread out
throughout tthe organissation’s loccation.

AAdvantages decentralisation Disadvanntages deccentralisattion

 Takes acccount of loocal needss.
  Control and co-oordination may
be difficult.

 Offices mmore self suufficient.
  Increaased data dduplicationn.
 Offices should havee quick
access too support.   More difficult to enforce

standards regarrding securrity
 Often refflective of the way thee and control.
organisattion grew aand
replacemment with a centraliseed   Spreaad of IT expperts can lead
system wwould be tooo costly. to lack of careerr path and
feelinggs of isolat tion.

Illuustratioons annd furtrther ppracticce

Noww read illusttrations 1 aand 2 fromm Chapter 66.

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