How many bits constitute a single Nibble? MCQ with Answer and Explanation

Explanation:
In traditional chipset architecture, the Northbridge connects the CPU to high-speed components like RAM and PCIe graphics. Modern CPUs often integrate the memory controller, reducing the Northbridge's role.

Explanation:
Under decimal SI metrics (often used by storage manufacturers), mega- means exactly one million ($10^6$), so 1 Megabyte equals exactly 1,000,000 Bytes.

Explanation:
The cache controller utilizes replacement policies like Least Recently Used (LRU) to determine which older data blocks to discard when space is needed for new cache lines.