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Bit
1 4 8 12 16 18 24 26 31 32 36 48 60 64 128 256 512
Application
16 32 64
Floating point precision
×½ ×1 ×2 ×4
Floating point decimal precision
32 64 128

In computer architecture, 18-bit integers, memory addresses, or other data units are those that are at most 18 bits (2.25 octets) wide. Also, 18-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size.

18 binary digits have 262144 (1000000 octal, 40000 hexadecimal) distinct combinations.

18 bits was a common word size for smaller computers in the 1960s, when large computers often used 36 bit words and 6-bit character sets were the norm.

Example 18-bit computer architectures[edit]

References[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/18-bit — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

833 news items

 
Robotics Tomorrow (press release)
Mon, 27 Apr 2015 06:07:30 -0700

Netzer's New DS-58 Absolute Position Rotary Encoder Features 18 bit Resolution. Visit http://www.electromate.com/products/series.php?&series_id=101696 for further information. The DS-58 is a member of the DS series of Non-contact, absolute-position ...

East Bay Express

East Bay Express
Tue, 19 May 2015 20:15:38 -0700

The Pedalpupusa Bike Tour (July 11, Bit.ly/Pedalpupusa) and BBQ and Bikes Savory Ride (July 18, Bit.ly/BBQAndBikes) both offer riders low-key bike tours of some great authentic eats. Traveling with Bike East Bay's advocacy director Dave Campbell during ...

ReadWrite

ReadWrite
Sat, 02 May 2015 08:11:36 -0700

The USB mic features broadcast-quality sound, capturing a crisp 18-bit, 8 to 48kHz audio. You need to stick pretty close to the microphone, if you want your voice picked up, but that can be a benefit. It means less background noise will make its way ...
 
Pete Thomas Outdoor
Mon, 10 Nov 2014 14:18:45 -0800

Florida surfer, 18, bit by shark after completing SAT. Ryan. Video screen grab. By Pete Thomas/GrindTv. Ryan Shapiro had just finished taking his SAT exam on Saturday and was hoping that a surf session at Fort Pierce Inlet, Florida, would be the ...

ElectronicsWeekly.com

ElectronicsWeekly.com
Thu, 22 Jan 2015 02:41:15 -0800

Keithley Instruments 10-20-14 Keithley Instruments has introduced a 7½-digit multimeter which incorporates a 1Msample/s, 18-bit digitiser for waveform capture. The Model DMM7510 also has a capacitive touch screen, with a swipe function which makes it ...

Softpedia News

Softpedia News
Thu, 07 May 2015 09:58:12 -0700

Other approaches have been tried, such as password pills, which have a chip inside that emits an 18-bit ECG-like signal, basically turning the human body into an authentication token. “There will need to be a balance between user experience and ...
 
EDN.com
Tue, 27 Jan 2015 12:23:11 -0800

The LTC2338 is an 18-bit fully differential SAR ADC that is remarkably easy to drive. This 1Msps ADC operates from a single 5V supply and achieves ±4LSB INL maximum with –111dB THD and 100dB SNR. Its fully differential ±20.48V true bipolar input range ...
 
BeritaSatu
Tue, 12 May 2015 11:00:00 -0700

Harus tetap ada, sudah kita jamin," tegas Azhar. Lebih lanjut, Azhar mengungkapkan, sebenarnya tanpa adanya BIT pun, pemerintah tetap menjamin perlindungan investor asing. Saat ini sudah ada 18 BIT yang telah berakhir dari 66 total BIT yang dilakukan ...
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