1.1.3 Input, Output and Storage Flashcards
What are types of magnetic storage?
- Hard disk drive,
- Floppy disk,
- Magnetic tape.
Give some examples of input devices.
- 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 some 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?
The read/write head.
Which storage device has typical capacities in the range of 500GB-5TB?
Hard disk drive.
Give two disadvantages of Solid State Drives (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.
What two types of logic gates are used in flash storage?
NAND and NOR.
Give three advantages of SSDs.
- High transfer speeds,
- Lightweight,
- No moving parts.
