Input, Output and Storage Flashcards
Give three types of magnetic storage
● Hard disk drive
● Floppy disk
● Magnetic tape
Give three examples of input devices
- Keyboard
- Touchpad
- Mouse
- Barcode reader
- Microphone
- Magnetic stripe reader
- Webcam
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
In a hard disk drive, what is mounted at the end of the actuating arm
Read / write head
Give two disadvantages of SSD
● 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
Give three advantages of SSDs
● 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 slow transfer speeds
