Memory refers to the electronic components in a computer system that are responsible for storing and retrieving data and instructions. It plays a fundamental role in computer operations by providing temporary or permanent storage for data and programs.
Units of memory
Memory units are used to measure the capacity or size of computer memory. Here are some commonly used units:
Bit (Binary Digit):
The basic unit of digital information storage is a bit. It represents the smallest piece of data that a computer can store, which can have a value of either 0 or 1.
Byte:
A byte is a group of 8 bits. It is the basic unit of storage in most computer systems and is used to represent a single character or a small amount of data. For example, a text character in ASCII encoding is typically represented by one byte.
Kilobyte (KB):
One kilobyte is equal to 1,024 bytes. It is often used to represent small amounts of data or memory capacity. For example, a simple text document may occupy a few kilobytes of storage.
Megabyte (MB):
One megabyte is equal to 1,024 kilobytes or approximately one million bytes. It represents a larger unit of storage capacity. Megabytes are commonly used to measure the size of files, documents, images, and small applications.
Gigabyte (GB):
One gigabyte is equal to 1,024 megabytes or approximately one billion bytes. Gigabytes are frequently used to measure the capacity of computer hard drives, solid-state drives, and the memory of modern computer systems. They are also used for large files, videos, and software applications.
Terabyte (TB):
One terabyte is equal to 1,024 gigabytes or approximately one trillion bytes. Terabytes are used to describe the storage capacity of high-capacity hard drives, servers, and data centers. They are also used for large-scale data storage and backups.
Peta byte (PB):
One petabyte is equal to 1,024 terabytes or approximately one quadrillion bytes. Petabytes are used to measure the storage capacity of enterprise-level storage systems and massive data centers.
Exabyte (EB):
One exa-byte is equal to 1,024 peta bytes or approximately one quintillion bytes. Exabytes are used to describe extremely large-scale data storage, such as in big data analytics, scientific research, and cloud storage infrastructure.
It's important to note that the prefixes (kilo-, mega-, giga-, etc.) are based on powers of 2 rather than powers of 10, which is why the sizes are not exact multiples of 1,000. This binary-based counting system aligns with the underlying structure of digital computer systems.
Types of memory
For further details click on link
https://computerstudynow.blogspot.com/2023/05/read-only-memory-rom.html
https://computerstudynow.blogspot.com/2023/05/random-access-memory-ram.html
