1.1.3 Input, output and storage Flashcards
what are types of magnetic storage?
-hard disk drive
-floppy disk
-magnetic tape
what are examples of input devices?
-keyboard
-microphone
-mouse
what are examples of output devices?
-speaker
-monitor
-printer
which has the highest typical storage capacity: CD,
DVD or Blu-Ray?
Blu-Ray
how much storage does a hard disk drive have?
500GB - 5TB
what are advantages of SSD’s?
-high transfer speeds
-lightweight
-no moving parts
what are disadvantages of SSD’s?
-high cost per GB
-limited lifespan
what is meant by non-volatile?
a non-volatile storage medium does
not lose its information when power is lost
is ROM volatile or non volatile?
non volatile
what are the disadvantages of CDs?
-portable
-cheap to produce
what are the advantages of CDs?
-they are easily damaged by scratches
-they have relatively low capacities
-they have relatively slow transfer speeds