1.1.3 Input, Output and Storage
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Give two types of magnetic storage:
Two from: • Hard disk drive • Floppy disk • Magnetic tape
Give three examples of input devices:
Three from: Keyboard Mouse Microphone Webcam Touchpad Barcode Reader Magnetic stripe reader etc.
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:
Three from: 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 had typical capacities in the range 500GB - 5TB
Hard disk drive
Give two disadvantages of SSDs:
High cost per gigabyte Limited lifespan
What does ROM stand for:
Read Only Memory
Describe the structure in which information is stored 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.