Unit Of Computer Memory Measurement

Unit Of Computer Memory Measurement | MAP Tech |

Computers use the binary system because it is easy to represent the two states 'on' and 'off' inside a computer. These two states are represented by voltages. 0 (Zero) volts is used to represent 0, and a voltage usually between 1 and 5 volts depending upon the types of computer, is used to represent 1. Computer uses different units to store data.

A bit is a binary digit, the smallest increment of data on a computer. A bit can hold only one of two values: 0 or 1, corresponding to the electrical values of off or on, respectively.

Because bits are so small, you rarely work with information one bit at a time. Bits are usually assembled into a group of eight to form a byte. A byte contains enough information to store a single ASCII character, like "h".

A kilobyte (KB) is 1,024 bytes, not one thousand bytes as might be expected, because computers use binary (base two) math, instead of a decimal (base ten) system.

Computer storage and memory is often measured in megabytes (MB) and gigabytes (GB). A medium-sized novel contains about 1 MB of information. 1 MB is 1,024 kilobytes, or 1,048,576 (1024x1024) bytes, not one million bytes.

The relationship between the different units is given below:

1 Bit = Binary Digit

8 Bits = 1 Byte

1024 Bytes = 1 KB [Kilo Byte]

1024 KB = 1 MB [Mega Byte]

1024 MB = 1 GB [Giga Byte]

1024 GB = 1 TB [Terra Byte]

1024 TB = 1 PB [Peta Byte]

1024 PB = 1 EB [Exa Byte]

1024 EB = 1 ZB [Zetta Byte]

1024 ZB = 1 YB [Yotta Byte]

1024 YB = 1 BB [Bronto Byte]

1024 Brontobytes = 1 Geop Byte

Geop Byte is the Highest Memory unit.

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