Share
VIDEOS 1 TO 50
The Perfect Thin Gaming Laptop? – Gigabyte AERO 15X Review
The Perfect Thin Gaming Laptop? – Gigabyte AERO 15X Review
Published: 2017/12/13
Channel: Linus Tech Tips
Computex 2016 - Gigabyte Factory Tour
Computex 2016 - Gigabyte Factory Tour
Published: 2016/06/27
Channel: Tek Syndicate
Gigabyte Aero 15 Review - Better than the XPS 15?!
Gigabyte Aero 15 Review - Better than the XPS 15?!
Published: 2017/05/02
Channel: Dave Lee
Gigabyte Sabre 15 Review - The $999 Gaming Laptop That Isn’t Red!
Gigabyte Sabre 15 Review - The $999 Gaming Laptop That Isn’t Red!
Published: 2017/04/13
Channel: Dave Lee
Gigabyte Aero 15 GTX 1070 With Max Q Design Laptop Review - Slim and Powerful
Gigabyte Aero 15 GTX 1070 With Max Q Design Laptop Review - Slim and Powerful
Published: 2018/01/08
Channel: Tech YES City
Gigabyte Sabre15 -  12JUTA-AN AJA? AAAALIG
Gigabyte Sabre15 - 12JUTA-AN AJA? AAAALIG
Published: 2017/05/04
Channel: North Boys
Gigabyte BRIX - A MINI Performance Monster?
Gigabyte BRIX - A MINI Performance Monster?
Published: 2017/03/16
Channel: HardwareCanucks
GIGABYTE - GAMING PC Build for 2017 under 1500 € (+benchmarks) [EN]
GIGABYTE - GAMING PC Build for 2017 under 1500 € (+benchmarks) [EN]
Published: 2017/03/28
Channel: Martin's PC Tips
THIN, LIGHT & POWERFUL  - GIGABYTE AERO 15X MAX-Q
THIN, LIGHT & POWERFUL - GIGABYTE AERO 15X MAX-Q
Published: 2017/10/28
Channel: We Do Tech
GIGABYTE
GIGABYTE's AORUS X9 Wins a CES 2018 Innovation Award
Published: 2018/01/23
Channel: NVIDIA GeForce
GTX1080 G1 GAMING from GIGABYTE - Single 8 pin power... Can it perform?
GTX1080 G1 GAMING from GIGABYTE - Single 8 pin power... Can it perform?
Published: 2016/06/17
Channel: JayzTwoCents
Gigabyte GeForce GTX 1080 Xtreme Gaming İncelemesi
Gigabyte GeForce GTX 1080 Xtreme Gaming İncelemesi
Published: 2016/07/26
Channel: Technopat
¿Cómo se ensambla una Motherboard? Visita a la Fabrica de Gigabyte en Taiwán - Droga Digital
¿Cómo se ensambla una Motherboard? Visita a la Fabrica de Gigabyte en Taiwán - Droga Digital
Published: 2017/06/19
Channel: DrogaDigital
GIGABYTE AB350 Series - AB350-GAMING 3 Motherboard Unboxing & Overview
GIGABYTE AB350 Series - AB350-GAMING 3 Motherboard Unboxing & Overview
Published: 2017/04/17
Channel: GIGABYTE
GIGABYTE 100 Series - GA-Z170X-Gaming G1 Unboxing & Overview
GIGABYTE 100 Series - GA-Z170X-Gaming G1 Unboxing & Overview
Published: 2015/08/05
Channel: GIGABYTE Motherboards
CHEAPEST X370 Board!!?? Gigabyte AX370-Gaming Review
CHEAPEST X370 Board!!?? Gigabyte AX370-Gaming Review
Published: 2017/09/15
Channel: Timmy Joe PC Tech
KOMPILACJA FAKE DONATION U BYSTRZAKATV OD GIGABYTE!
KOMPILACJA FAKE DONATION U BYSTRZAKATV OD GIGABYTE!
Published: 2017/12/04
Channel: AllShot
The Gigabyte Aero 14 Review
The Gigabyte Aero 14 Review
Published: 2016/08/23
Channel: Linus Tech Tips
Обзор материнской платы Gigabyte Z170X Gaming 7 ✔
Обзор материнской платы Gigabyte Z170X Gaming 7 ✔
Published: 2016/01/02
Channel: F.ua — О девайсах понятным языком
Jim Jones - Gigabyte ft. Avon Carter
Jim Jones - Gigabyte ft. Avon Carter
Published: 2017/02/27
Channel: JimJonesVEVO
Gigabyte Motherboard H110M-S2 Intel 6th Gen Support Unboxing Review
Gigabyte Motherboard H110M-S2 Intel 6th Gen Support Unboxing Review
Published: 2016/04/02
Channel: Tech2boom
3 ways to update your GIGABYTE Motherboard BIOS
3 ways to update your GIGABYTE Motherboard BIOS
Published: 2016/05/10
Channel: GIGABYTE Brasil
Build a PC with GIGABYTE! Highlight
Build a PC with GIGABYTE! Highlight
Published: 2016/01/28
Channel: GIGABYTE
[Review] Gigabyte Aero 15 - Mantap Luar Dalam!
[Review] Gigabyte Aero 15 - Mantap Luar Dalam!
Published: 2017/06/19
Channel: Putu Reza
Veja como são feitas as placas gamers da Gigabyte "made in Brasil"
Veja como são feitas as placas gamers da Gigabyte "made in Brasil"
Published: 2015/02/21
Channel: Adrenaline
Gigabyte Computex Booth, Factory Tour, and GIVEAWAY!
Gigabyte Computex Booth, Factory Tour, and GIVEAWAY!
Published: 2016/06/06
Channel: NCIX Tech Tips
FNC vs. GAM | Group Stage Day 1 | 2017 World Championship | Fnatic vs GIGABYTE Marines
FNC vs. GAM | Group Stage Day 1 | 2017 World Championship | Fnatic vs GIGABYTE Marines
Published: 2017/10/05
Channel: LoL Esports
How to make a Motherboard - A GIGABYTE Factory Tour Video
How to make a Motherboard - A GIGABYTE Factory Tour Video
Published: 2010/07/15
Channel: OverClocking-TV
Gigabyte Z170-X Gaming 7: A Lot to Offer
Gigabyte Z170-X Gaming 7: A Lot to Offer
Published: 2015/08/27
Channel: Bitwit
ПРОЛЕТЕЛ 8000 КМ! ➔ Обзор КУЛЕРА GIGABYTE XTC700
ПРОЛЕТЕЛ 8000 КМ! ➔ Обзор КУЛЕРА GIGABYTE XTC700
Published: 2016/12/27
Channel: F.ua — О девайсах понятным языком
รีวิว การ์ดจอ Gigabyte ทุกรุ่น XTREME Gaming, G1,D5,OC ตั้งแต่ GTX1050//1060//1070//1080
รีวิว การ์ดจอ Gigabyte ทุกรุ่น XTREME Gaming, G1,D5,OC ตั้งแต่ GTX1050//1060//1070//1080
Published: 2017/01/26
Channel: ADBIG
Похоже на ИДЕАЛЬНУЮ МАТЕРИНСКУЮ ПЛАТУ ➔ Обзор Gigabyte Z270X Ultra Gaming
Похоже на ИДЕАЛЬНУЮ МАТЕРИНСКУЮ ПЛАТУ ➔ Обзор Gigabyte Z270X Ultra Gaming
Published: 2017/03/28
Channel: F.ua — О девайсах понятным языком
NGÀY CẢ THẾ GIỚI NGỢI CA GIGABYTE MARINES QUA HIGHLIGHTS NÀY - Những Chàng Trai Vàng Của LMHT VN
NGÀY CẢ THẾ GIỚI NGỢI CA GIGABYTE MARINES QUA HIGHLIGHTS NÀY - Những Chàng Trai Vàng Của LMHT VN
Published: 2017/05/02
Channel: Liên Minh Huyền Thoại 24/7
Gigabyte AX370-Gaming K7 Review: Only ONE Thing Missing
Gigabyte AX370-Gaming K7 Review: Only ONE Thing Missing
Published: 2017/03/28
Channel: Science Studio
IMT vs. GAM | Group Stage Day 5 | 2017 World Championship | Immortals vs GIGABYTE Marines
IMT vs. GAM | Group Stage Day 5 | 2017 World Championship | Immortals vs GIGABYTE Marines
Published: 2017/10/12
Channel: LoL Esports
Gigabyte Aero 15 Review: Pure Awesomeness!
Gigabyte Aero 15 Review: Pure Awesomeness!
Published: 2017/05/19
Channel: Hardware Unboxed
How Fast is the Gigabyte GTX 1080 Xtreme Gaming?
How Fast is the Gigabyte GTX 1080 Xtreme Gaming?
Published: 2016/07/17
Channel: Paul's Hardware
Unboxing, montaje y review: "Gigabyte GB-BXBT-2807 Brix"  - Mini PC
Unboxing, montaje y review: "Gigabyte GB-BXBT-2807 Brix" - Mini PC
Published: 2016/01/01
Channel: Comercial Geek
Gigabyte Aero 15 - первый взгляд - Computex 2017
Gigabyte Aero 15 - первый взгляд - Computex 2017
Published: 2017/05/31
Channel: Keddr.com
Fuimos al laboratorio de Gigabyte a reparar un Motherboard
Fuimos al laboratorio de Gigabyte a reparar un Motherboard
Published: 2016/03/12
Channel: damian tiscornia
รีวิว Gigabyte H270 Gaming 3 เกิดมาเพื่อฆ่า Z270!!
รีวิว Gigabyte H270 Gaming 3 เกิดมาเพื่อฆ่า Z270!!
Published: 2017/04/16
Channel: it-reborn
Gigabyte Aorus Z270X-Gaming 7 İncelemesi
Gigabyte Aorus Z270X-Gaming 7 İncelemesi
Published: 2017/01/22
Channel: Technopat
Сравнение Gigabyte vs MSI на примере 980 Ti. G1 Gaming vs Gaming 6G
Сравнение Gigabyte vs MSI на примере 980 Ti. G1 Gaming vs Gaming 6G
Published: 2016/01/12
Channel: Новинки IT, Обзоры компьютерной техники и периферии
CES 2018: Gigabyte’s custom PC builds and Mini-PC
CES 2018: Gigabyte’s custom PC builds and Mini-PC
Published: 2018/01/10
Channel: Newegg Studios
Gigabyte GTX 1080 Ti Aorus Xtreme Review - The Best is Here
Gigabyte GTX 1080 Ti Aorus Xtreme Review - The Best is Here
Published: 2017/04/10
Channel: Tech YES City
« NOVIDADE!!! » 7ª Geração - Review Gigabyte Z270X-Gaming 9 AORUS para Processadores Kaby Lake
« NOVIDADE!!! » 7ª Geração - Review Gigabyte Z270X-Gaming 9 AORUS para Processadores Kaby Lake
Published: 2017/01/03
Channel: Pichau
Súp Heo | Trên tay Gigabyte GTX 1080 Ti Aorus Extreme
Súp Heo | Trên tay Gigabyte GTX 1080 Ti Aorus Extreme
Published: 2017/07/03
Channel: Súp Heo
Introducing GIGABYTE New AERO 15X
Introducing GIGABYTE New AERO 15X
Published: 2017/09/29
Channel: GIGABYTE
Gigabyte GTX 1050 Ti G1 Gaming - САМЫЙ ПОДРОБНЫЙ ОБЗОР
Gigabyte GTX 1050 Ti G1 Gaming - САМЫЙ ПОДРОБНЫЙ ОБЗОР
Published: 2016/11/16
Channel: Новинки IT, Обзоры компьютерной техники и периферии
Gigabyte Aorus GTX 1080 Ti Waterforce Xtreme Edition, New Fav Graphics Card
Gigabyte Aorus GTX 1080 Ti Waterforce Xtreme Edition, New Fav Graphics Card
Published: 2017/09/21
Channel: Hardware Unboxed
NEXT
GO TO RESULTS [51 .. 100]

WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Multiples of bytes
Decimal
Value Metric
1000 kB kilobyte
10002 MB megabyte
10003 GB gigabyte
10004 TB terabyte
10005 PB petabyte
10006 EB exabyte
10007 ZB zettabyte
10008 YB yottabyte
Binary
Value IEC JEDEC
1024 KiB kibibyte KB kilobyte
10242 MiB mebibyte MB megabyte
10243 GiB gibibyte GB gigabyte
10244 TiB tebibyte
10245 PiB pebibyte
10246 EiB exbibyte
10247 ZiB zebibyte
10248 YiB yobibyte

The gigabyte (/ˈɡɪɡəbt/ GIG-ə-byt or /ˈɪɡəbt/[1]) is a multiple of the unit byte for digital information. The prefix giga means 109 in the International System of Units (SI). Therefore, one gigabyte is 1000000000bytes. The unit symbol for the gigabyte is GB.

This definition is used in all contexts of science, engineering, business, and many areas of computing, including hard drive, solid state drive, and tape capacities, as well as data transmission speeds. However, the term is also used in some fields of computer science and information technology to denote 1073741824 (10243 or 230) bytes, particularly for sizes of RAM. The use of gigabyte may thus be ambiguous. Hard disk capacities as described and marketed by drive manufacturers using the standard metric definition of the gigabyte, but when a 500-GB drive's capacity is displayed by, for example, Microsoft Windows, it is reported as 465 GB, using a binary interpretation.

To address this ambiguity, the International System of Quantities standardizes the binary prefixes which denote a series of integer powers of 1024. With these prefixes, a memory module that is labeled as having the size 1GB has one gibibyte (1GiB) of storage capacity.

Definition[edit]

This 2.5 inch hard drive can hold 500 GB of data.

The term gigabyte is commonly used to mean either 10003 bytes or 10243 bytes. The latter binary usage originated as compromise technical jargon for byte multiples that needed to be expressed in a power of 2, but lacked a convenient name. As 1024 (210) is approximately 1000 (103), roughly corresponding to SI multiples, it was used for binary multiples as well.

In 1998 the International Electrotechnical Commission (IEC) published standards for binary prefixes, requiring that the gigabyte strictly denote 10003 bytes and gibibyte denote 10243 bytes. By the end of 2007, the IEC Standard had been adopted by the IEEE, EU, and NIST, and in 2009 it was incorporated in the International System of Quantities. Nevertheless, the term gigabyte continues to be widely used with the following two different meanings:

Decimal definition[edit]

  • 1 GB = 1000000000 bytes (= 10003 B = 109 B)

Based on powers of 10, this definition uses the prefix giga- as defined in the International System of Units (SI). This is the recommended definition by the International Electrotechnical Commission (IEC).[2] This definition is used in networking contexts and most storage media, particularly hard drives, flash-based storage,[3][4] and DVDs, and is also consistent with the other uses of the SI prefix in computing, such as CPU clock speeds or measures of performance. The file manager of Mac OS X version 10.6 and later versions are a notable example of this usage in software, which report files sizes in decimal units.[5]

Binary definition[edit]

  • 1 GiB = 1073741824 bytes (= 10243 B = 230 B).

The binary definition uses powers of the base 2, as does the architectural principle of binary computers. This usage is widely promulgated by some operating systems, such as Microsoft Windows in reference to computer memory (e.g., RAM). This definition is synonymous with the unambiguous unit gibibyte.

Consumer confusion[edit]

Since the first disk drive, the IBM 350, disk drive manufacturers expressed hard drive capacities using decimal prefixes. With the advent of gigabyte-range drive capacities, manufacturers based most consumer hard drive capacities in certain size classes expressed in decimal gigabytes, such as "500 GB". The exact capacity of a given drive model is usually slightly larger than the class designation. Practically all manufacturers of hard disk drives and flash-memory disk devices[3][4] continue to define one gigabyte as 1000000000bytes, which is displayed on the packaging. Some operating systems such as OS X[6] express hard drive capacity or file size using decimal multipliers, while others such as Microsoft Windows report size using binary multipliers. This discrepancy causes confusion, as a disk with an advertised capacity of, for example, 400 GB (meaning 400000000000bytes) might be reported by the operating system as 372 GB, meaning 372 GiB.

The JEDEC memory standards use IEEE 100 nomenclature which quote the gigabyte as 1073741824bytes (230 bytes).[7]

The difference between units based on decimal and binary prefixes increases as a semi-logarithmic (linear-log) function—for example, the decimal kilobyte value is nearly 98% of the kibibyte, a megabyte is under 96% of a mebibyte, and a gigabyte is just over 93% of a gibibyte value. This means that a 300 GB (279 GiB) hard disk might be indicated variously as 300 GB, 279 GB or 279 GiB, depending on the operating system. As storage sizes increase and larger units are used, these differences become even more pronounced. Some legal challenges have been waged over this confusion such as a lawsuit against drive manufacturer Western Digital.[8][9] Western Digital settled the challenge and added explicit disclaimers to products that the usable capacity may differ from the advertised capacity.[8] Seagate was sued on similar grounds and also settled.[8][10]

Because of its physical design, the capacity of modern computer random access memory devices, such as DIMM modules, is always a multiple of a power of 1024. It is thus convenient to use prefixes denoting powers of 1024, known as binary prefixes, in describing them. For example, a memory capacity of 1073741824bytes is conveniently expressed as 1 GiB rather than as 1.074 GB. The former specification is, however, often quoted as "1 GB" when applied to random access memory.[11]

Software allocates memory in varying degrees of granularity as needed to fulfill data structure requirements and binary multiples are usually not required. Other computer capacities and rates, like storage hardware size, data transfer rates, clock speeds, operations per second, etc., do not depend on an inherent base, and are usually presented in decimal units. For example, the manufacturer of a "300 GB" hard drive is claiming a capacity of 300000000000bytes, not 300x10243 (which would be 322122547200) bytes.

Examples of gigabyte-sized storage[edit]

  • One hour of SDTV video at 2.2 Mbit/s is approximately 1 GB.
  • Seven minutes of HDTV video at 19.39 Mbit/s is approximately 1 GB.
  • 114 minutes of uncompressed CD-quality audio at 1.4 Mbit/s is approximately 1 GB.
  • A single layer DVD+R disc can hold about 4.7 GB.
  • A dual-layered DVD+R disc can hold about 8.5 GB.
  • A single layer Blu-ray disc can hold about 25 GB.
  • A dual-layered Blu-ray disc can hold about 50 GB.

See also[edit]

References[edit]

  1. ^ The prefix giga may be pronounced two ways. Gigabyte - Definition and More from the Free Merriam-Webster Dictionary
  2. ^ http://physics.nist.gov/cuu/Units/binary.html Prefixes for binary multiples
  3. ^ a b SanDisk USB Flash Drive "Note: 1 megabyte (MB) = 1 million bytes; 1 gigabyte (GB) = 1 billion bytes."
  4. ^ a b Storage Chart "Megabyte (MB) = 1,000,000 bytes; 1 Gigabyte (GB) = 1,000,000,000 bytes; 1TB = 1,000,000,000,000 bytes"
  5. ^ "How Mac OS X reports drive capacity". Apple Inc. 2009-08-27. Retrieved 2009-10-16. 
  6. ^ "How OS X and iOS report storage capacity - Apple Support". support.apple.com. Retrieved 2016-06-29. 
  7. ^ JEDEC Solid State Technology Association (December 2002). "Terms, Definitions, and Letter Symbols for Microcomputers, Microprocessors, and Memory Integrated Circuits" (PDF). Jesd 100B.01. 
  8. ^ a b c Mook, Nate (2006-06-28). "Western Digital Settles Capacity Suit". betanews. Retrieved 2009-03-30. 
  9. ^ Baskin, Scott D. (2006-02-01). "Defendant Western Digital Corporation's Brief in Support of Plaintiff's Motion for Preliminary Approval". Orin Safier v. Western Digital Corporation. Western Digital Corporation. Retrieved 2009-03-30. 
  10. ^ Judge, Peter (2007-10-26). "Seagate pays out over gigabyte definition". ZDNet. Retrieved 2014-09-16. 
  11. ^ Percival, Colin. "Why is 1 GB equal to 10^9 bytes instead of 2^30?". tarsnap.com. Retrieved 1 November 2015. 

External links[edit]

Disclaimer

None of the audio/visual content is hosted on this site. All media is embedded from other sites such as GoogleVideo, Wikipedia, YouTube etc. Therefore, this site has no control over the copyright issues of the streaming media.

All issues concerning copyright violations should be aimed at the sites hosting the material. This site does not host any of the streaming media and the owner has not uploaded any of the material to the video hosting servers. Anyone can find the same content on Google Video or YouTube by themselves.

The owner of this site cannot know which documentaries are in public domain, which has been uploaded to e.g. YouTube by the owner and which has been uploaded without permission. The copyright owner must contact the source if he wants his material off the Internet completely.

Powered by YouTube
Wikipedia content is licensed under the GFDL and (CC) license