Input, Output, Storage Flashcards
Give two types of magnetic storage
- hard disk drive
- floppy disk
- magnetic tape
Give three examples of input devices
- keyboard
- mouse
- microphone
- webcam
- touchpad
- barcode reader
Give an example of a device which is used for both input and output
Touchscreen
What name is given to the areas on a CD’s surface which have been burned into grooves by a laser?
Pits
What does CD stand for?
Compact Disc
Give three examples of output devices
- speaker
- monitor
- printer
- projector
Which has the highest typical storage capacity: CD, DVD or Blu-Ray?
Blu-Ray
In a hard disk drive, what is mounted at the end of the actuating arm?
Read/ write head
Which storage device has typical capacities in the range 500GB - 5TB?
Hard disk drive
Give two disadvantages of SDDs
- High cost per GB
- Limited lifespan
What does ROM stand for?
Read only memory
Describe the structure in which information is stores in flash memory
Information is stored in blocks, which are combined to form pages
What is meant by non-volatile?
A non-volatile storage medium does not lose its information when power is lost
Which two types of logic gate are used in flash storage?
NAND and NOR
Give three advantages of SDDs
- High transfer speeds
- Lightweight
- No moving parts
Is ROM volatile or non-volatile?
Non- volatile
Which form of storage device uses silicon semiconductors to store information?
Flash
Give three disadvantages of CDs
- They are easily damaged by scratches
- They have relatively low capacities
- They have relatively low transfer speeds
