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What does "GB" mean in computers?

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"GB" is a unit of measurement for memory and storage purposes. GB is an abbreviation of gigabyte. One gigabyte is equal to 1,024 megabytes. One megabyte is equal to 1,024 kilobytes. A terabyte is the term used for 1,024 gigabytes.

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A typical music track consumes 5 megabytes of storage space, meaning 1 GB can typically hold 200 music files. A standard-definition movie is typically 700 MB, whereas a high-definition movie can be over 4 GB in size. Modern-day hard drives can be over 3,072 GB in storage capacity, or 3 terabytes, as of 2015. A typical operating system consumes up to 40 GB of storage space.

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    What is the difference between KB, MB and GB?

    A:

    While all three are units of memory storage on a computer, a kilobyte (KB) is smaller than a megabyte (MB) and a MB is smaller than a gigabyte (GB). There are 1,024 bytes in 1 KB, 1,024 KB in 1 MB and 1,024 MB in 1 GB.

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  • Q:

    How many MB are in 1 GB?

    A:

    There are 1,024 MB (megabytes) in a GB (gigabyte). All storage medium is measured in bytes, with a megabyte being 1,024 kilobytes or 1,048,576 bytes.

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    What is internal memory?

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    Many types of circuits comprise a computer’s internal memory, including RAM, ROM, EPROM, EEPROM and FLASH ROM. Distinct from disks used for data storage and often called hard memory, these types of memory function together to run a computer system. The most familiar is RAM, or Random Access Memory, which provides temporary storage for work that's in-progress. Other types of memory are read-only.

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  • Q:

    How many GB are in one TB?

    A:

    For disk storage, 1 Terabyte (TB) is 1,000 Gigabytes (GB); for processor or virtual storage, 1 Terabyte is 1,024 Gigabytes. This difference is because the term "Megabyte," when referring to virtual storage, is widely computed in powers of 2 rather than powers of 10.

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