1.1.3 INPUT,OUTPUT AND STORAGE Flashcards
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
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
give two types of magnetic storage
two from:
hard disk drive
floppy disk
magnetic tape
which storage device has typical capacities in the range 500-5TB?
hard disk drive
give two disadvantages of SSDs
high cost per GB
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
which two types of logic gates are used in flash storage ?
NAND and NOR
