Look at this chart:
|
HDD
Hard disk drive |
SSD
Solid-state drive |
Read/write rates |
50-150 MBps |
550 MBps/520 MBps |
System boot, average |
40 sec. |
20 sec. |
Memory materials |
ferromagnetic lined disc
(magnetic coated platter) |
integrated interconnected circuits (ICs) (memory chips) |
Price |
$0.24/gigabyte |
$2.00/gigabyte |
Durability |
spinning discs (moving parts- more likely to break when dropped or jostled) |
NAND flash (no moving parts) |
Noise? |
yes |
no |
Power consumption in Watts (load/idle) |
6/4 |
1.8/0.2 |
Weight |
752.5 g |
77 g |
Decide if the sentences are correct or incorrect:
1) The drives both use magnetic materials.
2) The price per gigabyte of the SSD is slightly higher than the HDD.
3) Compared with the HDD, the SSD has a considerably faster system boot speed.
4) Both the HDD and SSD are noisy.
5) Compared with the SSD, the HDD is cheap.
6) The rate of the read/write speed is considerably higher for the SSD.
7) The SSD and the HDD have the same level of durability.
8) Power consumption is lower for the HDD compared with the SSD.
9) The HDD is slightly heavier than the SSD.
