1.1.3. Input, Output and Storage Flashcards
What are 3 types of magnetic storage?
- hard disk drive<br></br>2. floppy disk<br></br>3. magnetic tape
What are 3 examples of input devices?
- keyboard<br></br>2. mouse <br></br>3. microphone
What is 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 disk
What are 3 examples of output devices?
- speaker<br></br>2. monitor<br></br>3. printer
What is the order of of capacity for CD, DVD and Blue-ray, in order of increasing capacity?
CD<br></br>DVD<br></br>Blu-Ray
In a hard disk drive, what is moutned at the end of the actuating arm?
read / write head
What storage device has a typical capacity in the range 500GB - 5TB?
hard disk drive
What are 2 disadvantages of SSDs?
- high cost per GB<br></br>2. limited number of read/write cycles
What does ROM stand for?
read only memory
What is the structure where information is stored in flash memory?
information is stored in blocks, which are combined to form pages
What is meant by the term non-volatile in storage?
information is not lost when power is lost
What 2 type of logic gates are used in flash storage?
NAND and NOR
What are 3 advantasges of SSD’s?
- higher transfer speeds<br></br>2. lightweight<br></br>3. no moving parts
Is ROM volatile or non-volatile?
non-volatile
Which form of storage devices uses silicon semiconductores to store information?
flash
What are 3 disadvantages of CD’s?
- easily damaged by scratches<br></br>2. relatively low capacities<br></br>3. relatively slow transfer speeds
