13. Using Storage Devices

Question 1

What type of RAM is system RAM?

Answer 1

Dynamic RAM (DRAM)

Question 2

How does DRAM work?

Answer 2

Storing each bit in an electrical charge within a bit cell

To maintain memory, dynamic memory cells need periodic refreshing as their electrical charge dissipates over time, leading to information loss.

Question 3

2 HDD form factos?

Answer 3

• 3.5”
• 2.5”

Question 4

What type of disk has the greatest capacity?

Answer 4

Blu-ray that is a single layer

Blu-ray Discs (BD) are replacing DVDs for multimedia and gaming distribution. A standard BD holds 25 GB per layer, totaling 50 GB for dual-layer discs.

Dual-layer, double-sided DVDs store up to 17 GB (8.5 GB per side), while single-layer, single-sided DVDs hold 4.7 GB.

Dual-layer DVDs with data on one side hold 8.5 GB.