null
US
Sign In
Sign Up for Free
Sign Up
We have detected that Javascript is not enabled in your browser. The dynamic nature of our site means that Javascript must be enabled to function properly. Please read our
terms and conditions
for more information.
Next up
Copy and Edit
You need to log in to complete this action!
Register for Free
7315183
5b- Off-the shelf / Custom written software
Description
A level, A2 IT (Chapter 5) Mind Map on 5b- Off-the shelf / Custom written software, created by Gladys Mba on 04/01/2017.
No tags specified
ict
ocr
a2
a-level
chapter 5
it
chapter 5
a level, a2
Mind Map by
Gladys Mba
, updated more than 1 year ago
More
Less
Created by
Gladys Mba
over 7 years ago
7
1
0
Resource summary
5b- Off-the shelf / Custom written software
Off the shelf
Positives
Help is readily available in online discussion groups and training courses
Tested by many individuals. Most bugs identified and corrected with fixes released.
More reliable software
Immediately available
Choice between packages
Uses standard file formats
More likely for upgrades to be released
Support for new peripheral and operating systems
Customer is likely to be familiar with new software
Needs to meet needs of lots of costumers
Negatives
Cost can be one off or a yearly rental. Costs will increase is used by many stations
May not fit purpose without having to be altered or edited. Some needs of certain costumers will not be met.
Likely to be larger than costume-written solutions
May have many redundant features taking computer memory. (bloatware)
Custom written
Postives
End user owns the software entirely and can sell it.
Will fit purpose precisely
Takes a lot of time to analysis and develop
End user has a lot of choice and influence on the system
Less bloatware from unnecessary features=> Smaller than off-the-shelf option => Less memory/storage taken
Negatives
Expensive as people need to be hired to write software
No support if original writers stop supporting the software or go out of business
Problems if analysis was incorrect or wanted features weren't specified
Only tested by a few people => many unidentified bugs in early stages => less reliable
May not have major upgrades or support drivers for new peripherals. May not use recognised file format.
User unlikely be familiar with software
Show full summary
Hide full summary
Want to create your own
Mind Maps
for
free
with GoConqr?
Learn more
.
Similar
Ecosystems
Jessica Phillips
A2 Organic Chemistry - Reactions
yannycollins
Random German A-level Vocab
Libby Shaw
ER notation
linneamd
The Weimar Republic, 1919-1929
shann.w
Computing Hardware - CPU and Memory
ollietablet123
GCSE Biology B2 (OCR)
Usman Rauf
Types and Components of Computer Systems
Jess Peason
Unit 1 flashcards
C R
Cell Structure
megan.radcliffe16
Exchange surfaces and breathing
megan.radcliffe16
Browse Library