What is the typical capacity of a Blu-ray disc for 4K movies? MCQ with Answer and Explanation

Explanation:
Optical data capacity depends on how tightly tracks can be spaced (track pitch) and how small the laser's focal point can be, which is determined by the laser's wavelength.

Explanation:
Mechanical hard drive speeds are fundamentally constrained by how fast their physical platters spin, measured in Rotations Per Minute (RPM), commonly 5400 or 7200 RPM.

Explanation:
A memory rank is a unique block or area of data created using a collection of some or all memory chips on a single module that share a 64-bit wide data bus.