Hard Drive
It is neither. In addition to input devices and output devices, there are devices called storage devices. The hard drive of a computer is a storage device: it contains the operating system and any data or program files used by the computer.
secondary storage
Input Storage Area Working Storage Area Output Storage Area Program Storage Area
The primary mass storage device is your hard drive. The hard drive is what everything you download is normally saved to. It also contains program files and recent activity on the computer.
'Special World-Indexed Full-Text Alpha Numeric Storage With Easy Retrieval' - It is the first computer software program to receive an US patent in 1981.
computer
The "tower" part of a computer contains most of the computer. It is the cabinet that contains input and output devices, as well as storage devices. However, collectively speaking, the label of "processing device" would be more accurate. Or you can say it is an I/O and processing device with storage.
Your hard drive, video card, NIC etc. Basically any part of your computer but wires can be used by a computer program.
its an adobe reader
When you shut down your computer, everything in RAM is erased, but the hard disk has long-term storage for the computer.
System resourse
processor