In a computer system with a standard configuration, which of the following will have largest capacity in bytes?

Correct option is A

The correct answer is (a) Hard Disk
Explanation:
● In a standard computer setup, the Hard Disk (HDD/SSD) is used for permanent storage and has the largest capacity (measured in Terabytes - TB).
● RAM (Random Access Memory) is volatile and usually ranges from 4GB to 32GB in standard PCs.
● DVD ROM has a fixed capacity (standard 4.7 GB).
● Pen Drives are portable but usually smaller in capacity than internal hard drives.
Information Booster:
● 1 Terabyte (TB) = 1024 Gigabytes (GB).
● Memory Hierarchy: Register < Cache < RAM < Hard Disk (in terms of storage size).
Additional Knowledge:
● Primary Memory: RAM, ROM.
● Secondary Memory: Hard Disk, CD/DVD, Magnetic Tape.