- Remember: Computers can only work with binary code
- However computers do like the number 1024 because its binary code is 10000000000
- That’s why there are 1024 Bytes in a KB, 1024 KB in a MB and so on

Why is a byte 255 and not 256? A byte is a group of 8 bits A bit is the most basic unit and can be either 1 or 0 A byte is not just 8 values between 0 and 1, but 256 (28) different combinations (rather permutations) ranging from 00000000 via eg 01010101 to 11111111 Thus, one byte can represent a decimal number between 0(00) and 255

For instance, Why 1 KB is 1024 and not 1000?

Binary is used to address memory Binary uses powers of 2 1000 is not a power of 2, the nearest equivalent is 2 to the power of 10 which equals 1024 So a kilo in binary uses the nearest figure to the kilo in decimal, which is 1024

What is the biggest byte? A yottabyte is the largest unit approved as a standard size by the International System of Units (SI) The yottabyte is about 1 septillion bytes — or, as an integer, 1,000,000,000,000,000,000,000,000 bytes

Accordingly, What is 1000 TB called?

As of 2018, the yottabyte (1 septillion bytes) was the largest approved standard size of storage by the System of Units (SI) For context, there are 1,000 terabytes in a petabyte, 1,000 petabytes in an exabyte, 1,000 exabytes in a zettabyte and 1,000 zettabytes in a yottabyte

## Is 00000000 a valid byte?

The other bits are referred to following their positions: Using the binary system, you can represent the byte using a combination of 0s and 1s When all bits have a value of 0, the byte is represented as 00000000 On the other hand, when all bits have a value of 1, the byte is represented as 11111111

Why is 11111111 equal to 255? In binary, it’s all 1’s and 0’s So, the step before 256 is all 1’s Therefore, 255 in binary is 11111111

How many bits are in this binary 11111111? We can count the number of zeros and ones to see how many bits are used to represent 255 in binary ie 11111111 Therefore, we have used 8 bits to represent 255 in binary

## What is 8 bits of data called?

byte, the basic unit of information in computer storage and processing A byte consists of 8 adjacent binary digits (bits), each of which consists of a 0 or 1

What is the Group of 8 bits called? The byte is a unit of digital information that most commonly consists of eight bits

What is the smallest byte?

** Computer Storage Units Smallest to Largest **

- Bit is an eighth of a byte*
- Byte: 1 Byte
- Kilobyte: 1 thousand or, 1,000 bytes
- Megabyte: 1 million, or 1,000,000 bytes
- Gigabyte: 1 billion, or 1,000,000,000 bytes
- Terabyte: 1 trillion, or 1,000,000,000,000 bytes
- Petabye: 1 quadrillion, or 1,000,000,000,000,000 bytes

Why memory is always in power of 2? Memory is closely tied to the CPU, so making their size a power of two means that multiple modules can be packed requiring a minimum of logic in order to switch between them; only a few bits from the end need to be checked (since the binary representation of the size is 1000

## What is difference between bit and byte?

One byte is equivalent to eight bits A bit is considered to be the smallest unit of data measurement A bit can be either 0 or 1

Which is the biggest byte?

A yottabyte is the largest unit approved as a standard size by the International System of Units (SI) The yottabyte is about 1 septillion bytes — or, as an integer, 1,000,000,000,000,000,000,000,000 bytes The storage volume is equivalent to a quadrillion gigabytes (GB) or a million trillion megabytes

Why is 4 bits called a nibble? History The term nibble originates from its representing “half a byte”, with byte a homophone of the English word bite

What are 32 bits called? Fundamental Data Types A byte is eight bits, a word is 2 bytes (16 bits), a doubleword is 4 bytes (32 bits), and a quadword is 8 bytes (64 bits)

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