A5 Choosing IT Systems Flashcards
What are some examples of factors affecting choice of IT Systems? (10 of them)
- User Experience
- User needs
- Specification
- Compatibility
- Connectivity
- Cost
- Efficiency
- Implementation
- Productivity
- Security
How does User Experience affect the choice of IT Systems ( 4 points )
> Ease of Use
Performance (processing, memory, graphics, storage)
Availability (how often it can be used)
Accessibility
How do User Needs affect choice of IT System (1 point)
- Graphic designer needs device compatible with graphic software & produce resolution output
How does Specification affect choice of IT System? (2 points)
- list of components of a pc to use the software for their tasks
- eg for video gaming: storage, processor speed and main memory are needed
How does compatibility affect choice of IT System? (1 point)
- communication with other devices
How does Connectivity affect choice of IT System? (2 points)
- how device connects to network ( LAN/internet)
- wireless/wired ( ethernet port device for LAN)
(wireless = WiFi, mobile broadband, bluetooth)
How does Cost affect choice of IT systems? (3 points)
- running device (electricity)
- initial cost
- depends on features provided
How does Efficiency affect choice of IT System?
- Less wastage of time and staff e.g self service tills
How does implementation affect choice of IT System? (4 points)
- time for delivering, connecting it up, running it, install software & transferring data ( old -> new system )
- timescales (delivery & lead time)
- testing (if it works)
- migration, transferring data, software, files (automated?)
How does Productivity affect choice of IT System?
- slow boost time, save/load time, freeze/crashes ?
e.g contactless payments
How does Security affect choice of IT Systems?
- how safe a device is from security threats
