What is memory unit with example?
We must have seen or weighed different types of objects in our daily life, such as - an object is measured or weighed in kilogram (Kg), liter (li), centimeter (Cm) etc. Here kilogram (KG) and liter (li), centimeter (Cm) is the unit of measurement or weight of the object.
In the same way, the unit of measurement of the ability to store any kind of data or information in a computer is called memory unit of that computer.
We can also understand this in a way that the memory unit is the amount of data that can be stored in the storage unit. This storage capacity is expressed in bytes. Here we express the capacity of memory in terms of KB, MB, GB etc.
Now we will learn about different types of memory units here -
1.Bit (Binary Digit)
The full name of a bit is "Binary Digit". It is the smallest memory unit in a computer. Each bit can have a digit 1 or 0, which means that the data in the computer is stored in the form of 0 and 1. We define this 0 or 1 by Bit. Bit is denoted by 'b'.
Bit is called "Dicher number" in Hindi.
2.Nibble
A group of 4 bits is called a nibble. Nibble is called small data storage unit of computer after Byte, while Nibble is also called bigger data storage unit than Binary Digit.
3.Byte
A group of 8 bits is called a byte. That is, a series of eight 0's and 1's is called a byte. Byte is denoted by 'B'.
A group of 1024 bytes is called a Kilobyte, that is, 1024 Bytes (bytes) together make up a Kilobyte.
4.Word
A word is a set of fixed number of bits processed like a byte or as a unit, which varies from computer to computer but is fixed for each computer.
The length of a word or computer word is called word-size or word length. It can be as short as 8 bits or as long as 96 bits. Computers store information in the form of computer words.
Here the following types of high storage capacity units are displayed -
| S.No. | Unit & Description |
|---|---|
| 1 | Kilobyte (KB) 1 KB = 1024 Bytes |
| 2 | Megabyte (MB) 1 MB = 1024 KB |
| 3 | GigaByte (GB) 1 GB = 1024 MB |
| 4 | TeraByte (TB) 1 TB = 1024 GB |
| 5 | PetaByte (PB) 1 PB = 1024 TB |
After pentabyte
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