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iGCSE ICT notes 2.2
Input devices
Device Advantages disadvantages Light pens · More accurate than
touchscreens
· Small so can be used where space is an issue
· Easy to use
Page 4
· Problems with lag when drawing on screen
· Only work with CRT monitors
· Not very…

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· Easy to delete a photo from the memory
· Memory cards can hold hundreds of pictures
· Some artistry lost due to Photoshop
· Resolution not as good as traditional cameras
· Images often need to be compressed
· Image files a big, especially good quality ones
MICR devices…

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Page 5

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iGCSE ICT notes 2.2
· Tried and trusted technology
can be swapped around on items
· When an item price is changed, only the central database needs to be updated Keyboard · fast
entry of new text into a
· users with limited arm/wrist use can document
find keyboards hard…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
iGCSE ICT notes 2.2
Input devices
Device Advantages disadvantages Light pens · More accurate than
touchscreens
· Small so can be used where space is an issue
· Easy to use
Page 4
· Problems with lag when drawing on screen
· Only work with CRT monitors
· Not very…

Page 3

Preview of page 3
· Easy to delete a photo from the memory
· Memory cards can hold hundreds of pictures
· Some artistry lost due to Photoshop
· Resolution not as good as traditional cameras
· Images often need to be compressed
· Image files a big, especially good quality ones
MICR devices…

Page 4

Preview of page 4

Page 5

Preview of page 5
iGCSE ICT notes 2.2
· Tried and trusted technology
can be swapped around on items
· When an item price is changed, only the central database needs to be updated Keyboard · fast
entry of new text into a
· users with limited arm/wrist use can document
find keyboards hard…

Comments

No comments have yet been made