Which memory is used for temporary storage of data that is being processed? MCQ with Answer and Explanation

Explanation:
Hard disks are magnetic storage devices that use magnetic media to store data. SSDs and pen drives use flash memory, and Blu-ray uses optical technology.

Explanation:
Since 1 nibble is equal to 4 bits, a 16-bit data segment contains exactly $16 / 4 = 4$ nibbles.

Explanation:
Registers are directly accessible by the CPU's execution units; they are part of the CPU. Physical memory (RAM) is accessed via addresses, and virtual memory requires translation.