What is the typical speed of a CD-ROM drive at 1x? MCQ with Answer and Explanation

Explanation:
A single-layer DVD has a capacity of 4.7 GB (decimal) or 4.38 GiB (binary). For exams, they often say 4.7 GB.

Explanation:
SSDs use NAND flash memory, which is non-volatile and based on floating-gate transistors. HDDs use magnetic disks, and optical discs use lasers.

Explanation:
M.2 NVMe SSDs typically consume between 2-5 watts during active use, with idle power around 0.1-0.5 watts. Under heavy load, they may use up to 6-8 watts, but less than 1 watt is for low-power states. For general exam, they are known for low power.