ICT IGCSE Theory – Revision Presentation
2.3 Output devices and their uses
• Identify output devices and their uses, e.g. CRT monitor, TFT/LCD monitor, IPS/LCD
monitor, LED monitor, touch screen (as an output device), multimedia projector, laser
printer, inkjet printer, dot matrix printer, wide format printer, 3D printer, speakers,
Chapter 2: Input and output devices
motors, buzzers, heaters, lights/lamps
• Describe the advantages and disadvantages of any of the above devices
WWW.YAHMAD.CO.UK
, ICT IGCSE Theory – Revision Presentation
2.3 Output devices and their uses
Cathode Ray Tube (CRT) Monitor
Use: As primary output display for computers.
Chapter 2: Input and output devices
Advantage: Cheaper than other monitors and can be used with light pens.
Resolution is also very good.
Disadvantage: Size is bigger – requires more desk space.
Could be a safety hazard if not correctly supported.
Liquid Crystal Display (LCD) Monitor
Use: Have taken over from CRT as primary output display for computers. Also
primary output for monitors.
Flat Screen
Advantage: Smaller and lighter so less desk space required.
Consumes less power and does not generate as much heat as CRT monitors.
Disadvantage: Resolution may not be as good as a CRT monitor.
WWW.YAHMAD.CO.UK
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller denicetho. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.25. You're not tied to anything after your purchase.