7th Day of Course
Topic No. :- 12
Q. What is RAM & ROM ?
Answer :- Open ЁЯСИЁЯСИ
Topic No. :- 13
Q. What is Primary & Secondary Storage ?
Answer :- 1. Primary Storage ЁЯСЙ Open
2. Secondary Storage ЁЯСЙ Open
Definition - What does Storage Device mean?
A storage device is any computing hardware that is used for storing, porting and extracting data files and objects. It can hold and store information both temporarily and permanently, and can be internal or external to a computer, server or any similar computing device.
A storage device may also be known as a storage medium or storage media.
Storage Device
Storage devices are one of the core components of any computing device. They store virtually all the data and applications on a computer, except hardware firmware. They are available in different form factors depending on the type of underlying device. For example, a standard computer has multiple storage devices including RAM, cache, and hard disk, as well as possibly having optical disk drives and externally connected USB drives.
There are two different types of storage devices:
Primary storage devices: Generally smaller in size, these are designed to hold data temporarily and are internal to the computer. They have the fastest data access speed, and include RAM and cache memory.
Secondary storage devices: These usually have large storage capacity, and they store data permanently. They can be either internal or external to the computer, and they include the hard disk, optical disk drive and USB storage device.
Definition - What does Primary Storage Device mean?
A primary storage device is any storage device or component that can store nonvolatile data in computers, servers and other computing devices. It is used to hold/store data and applications temporarily or for a shorter period of time while the computer is running.
Primary storage is also known as main storage, main memory or internal memory.
Primary Storage Device
Primary storage devices are internal to the system and are the fastest of the memory/storage device category. Typically, primary storage devices have an instance of all the data and applications currently in use or being processed. The computer fetches and keeps the data and files it in the primary storage device until the process is completed or data is no longer required. Random access memory (RAM), graphic card memory and cache memory are common examples of primary storage devices.
Definition - What does Secondary Storage Device mean?
A secondary storage device refers to any non-volatile storage device that is internal or external to the computer. It can be any storage device beyond the primary storage that enables permanent data storage.
A secondary storage device is also known as an auxiliary storage device or external storage.
Secondary Storage Device
Secondary storage devices are primarily referred to a storage devices that serve as an addition to the computer's primary storage, RAM and cache memory. Typically, secondary storage allows for the storage of data ranging from a few megabytes to petabytes. These devices store virtually all programs and applications stored on a computer, including the operating system, device drivers, applications and general user data. Most of the secondary storage devices are internal to the computer such as the hard disk drive, the tape disk drive and even the compact disk drive and floppy disk drive.
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