FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -hard disk, also called hard disk drive or hard drive, magnetic storage medium for a computer. Hard disks are flat circular plates made of aluminum or glass and coated with a magnetic material. Hard disks for personal computers can store terabytes (trillions of bytes) of information.

Detailed explanation-2: -Hard disk drives (HDDs) and solid-state drives (SSDs) are now the primary forms of storage.

Detailed explanation-3: -A computer hard disk drive (HDD) is a non-volatile data storage device. Non-volatile refers to storage devices that maintain stored data when turned off. All computers need a storage device, and HDDs are just one example of a type of storage device.

Detailed explanation-4: -The hard drive is the secondary storage standard in modern computing. Many computers bundle hard drives as internal storage mediums, and today hard drives can include spinning disks and solid-state drives (SSDs).

Detailed explanation-5: -Primary storage. Primary storage (also known as main memory, internal memory, or prime memory), often referred to simply as memory, is the only one directly accessible to the CPU.