What is the role of a memory controller in a system with multiple memory channels? MCQ with Answer and Explanation

Explanation:
A single hexadecimal character represents values from 0 to 15, which maps to a 4-bit binary sequence (a nibble).

Explanation:
DDR4 common CAS latencies are around 14-16, though higher speeds may have CL18-22. DDR3 had CL9-11. DDR5 is higher (CL30+). So A is correct for typical DDR4.

Explanation:
SDRAM stands for Synchronous Dynamic Random Access Memory, which synchronizes with the system clock for faster data transfer compared to asynchronous DRAM.