What is Memory Units?

Hello friends, in today’s article we are going to talking about memory units.

Today we will learn in detail about what is memory units? And what is its use? So without any time let’s first understand what is memory units?

Memory Units
What is Memory Units

What is Memory Units?

Just as we have seconds, minutes, and hours to measure time, there are units like inches, centimeters, meters, feet to measure any length and there are liters to measure water, in the same way in the computer world, To measure the storage capacity of computer memory we have memory units.

Memory units are used to describe the size of data files stored in computer memory. We use it to tell how much space a particular file will occupy in memory.

Let’s understand some such memory units which are commonly used to measure and represent data.

12 Basic Memory Unit in Computer

  1. Bit
  2. Nibble
  3. Byte
  4. word
  5. Kilobyte
  6. Megabyte
  7. gigabyte
  8. Terabyte
  9. petabyte
  10. Exabyte
  11. Zettabyte
  12. Yottabyte

1. Bit

Memory units start with a bit. Bit is the smallest unit used to measure data in a computer. 1 bit contains either 0 or 1. 0 represents no electronic signal in memory and 1 represents is signal.

All the computers in this world understand the language of 0 and 1, so whatever instruction we have to give to the computer is in the form of 0 and 1.

2. Nibble

This is a collection of 4 bits which is sometimes also called ‘Nybble’ or ‘Nyble’.

3. Byte

A group of 8 bits is called a byte, it is the smallest unit used to represent any data in a computer.

4. Word

Like a byte, Word is also a group of some fixed size bits. This is another basic memory unit of the computer system.

The number of words depends on different computer systems. The number of bits in a word can range from 8 bits to 96 bits.

5. Kilobyte

A Kilobyte is a collection of many bytes or you can say that Kilobyte is made up of many bytes. There are 1024 bytes or binary digits in a kilobyte.

6. Megabyte

A Megabyte is made up of many Kilobytes. There are 1024 Kilobyte in a Megabyte.

7. Gigabyte

A Gigabyte (GB) is made up of several Megabytes (MB). There are 1024 Megabytes (MB) in a Gigabyte.

8. Terabyte

A Terabyte is made up of several Gigabytes (GB). There are 1024 Gigabyte (GB) in a Terabyte.

9. Petabyte

There are 1024 Terabyte (TB) in a Petabyte.

10. Exabyte

There are 1024 Petabyte (PB) in one Exabyte.

11. Zettabyte

There are 1024 Exabyte (EB) in a Zettabyte.

12. Yottabyte

There are 1024 Zettabytes (ZB) in a Yottabyte.

Memory Units Chart

Memory UnitDescription
NIBBLEIn one NIBBLE there are 4 bits.
ByteIn one byte there are 8 bits.
WordIn one word there can be from 8 bits to 96 bits.
Kilobyte (KB)In one Kilobyte there are 1024 bytes.
Megabyte (MB)In one Megabyte there are 1024 Kilobytes.
Gigabyte (GB)In one Gigabyte there are 1024 Megabytes
Terabyte (TB)In one Terabyte (TB) there are 1024 Gigabytes (GB)
Petabyte (PB)In one Petabyte there are 1024 Terabyte
Exabyte (EB)In one Exabyte has 1024 Petabytes
Zettabyte (ZB)There are 1024 Exabyte in a Zettabyte.
Yottabyte (YB)There are 1024 Zettabytes in a Yottabyte.



Friends, I hope that after reading this article you will get all information about, what is memory units? And what is its use?

If you want a complete tutorial on Computer Fundamentals, then see this article Computer Fundamentals Tutorial. Here you will get all the topics of Computer Fundamentals step by step.

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If you still have any question or doubt related to Memory Units, then ask me in the comment, I will answer all your questions and you can contact us for more information.

Jeetu Sahu is A Web Developer | Computer Engineer | Passionate about Coding, Competitive Programming, and Blogging

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