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# Topic: Bits per second

###### In the News (Thu 23 May 13)

 Bit rate - Wikipedia, the free encyclopedia It is quantified using hertz, the SI unit of frequency, or the bit per second (bit/s) unit. The formal abbreviation for “bit per second” is “bit/s” (not “bits/s”). “Bit rate” is sometimes used interchangeably with “baud rate”, which is correct only when each modulation transition of a data transmission system carries exactly one bit of data (something not true for modern modem modulation systems, for example). en.wikipedia.org /wiki/Bits_per_second   (478 words)

 bits per second - a Whatis.com definition - see also: bps, bit/sec, bit per second   (Site not responding. Last check: 2007-11-05) In data communications, bits per second (abbreviated bps and, by some, bit/sec) is a common measure of data speed for computer modems and transmission carriers. One kilobit per second (abbreviated Kbps in the U.S.; kbps elsewhere) is equal to 1,000 bps. One megabit per second (Mbps) is equal to 1,000,000 bps or 1,000 Kbps. searchnetworking.techtarget.com /sDefinition/0,,sid7_gci213820,00.html   (312 words)

 Definition: bits per second   (Site not responding. Last check: 2007-11-05) bits per second (b/s): A unit used to express the number of bits passing a designated point per second. Note 1: For example, for two-condition serial transmission in a single channel in which each significant condition represents a bit, i.e., a 0 or a 1, the bit rate in bits per second and the baud have the same numerical value only if each bit occurs in a unit interval. In this case, the data signaling rate in bits per second is 1/T, where T is the unit interval. www.atis.org /tg2k/_bits_per_second.html   (141 words)

 Bits per second - Pictures   (Site not responding. Last check: 2007-11-05) In information theory, a bit per second (bit/s or b/s) is a unit used to express the number of bits passing a designated point per second. a 0 or a 1, the bit rate in bits per second and the baud have the same numerical value only if each bit occurs in a unit interval. B/s (with capitalized B) means "byte per second", where one byte is usually equal to eight bits. www.greatestinfo.org /Kbps   (250 words)

 RadioShack Products Glossary: B Audio: A circuit that uses two conductors and a shield for connection, in which first conductor carries the standard audio signal and the second conductor carriers an inverted signal, which is re-inverted and added to the first signal at the destination. The bit rate is used as a measurement of resolution of the recording of the music file. MP3's are generally recorded at 128 kbps for the best compromise between speed and file size.The higher the bit rate, the higher the quality of the audio playback and the larger the file. support.radioshack.com /support_tutorials/glossary/glossary-b.htm   (2110 words)

 Bits Per Second   (Site not responding. Last check: 2007-11-05) In computer science, bits are binary digits (or "flags"), each of which may have the value one orzero. The second (symbol s) is a unit for time, and one of seven SI base units. With the development of the atomic clock, it was decided to use atomicclocks as the basis of the definition of the Sucond, rather than the orbit... www.super8filmmaking.com /tail/7-bits-per-second.html   (558 words)

 Glossary Search Results   (Site not responding. Last check: 2007-11-05) Bit depth of 1 would only enable 2 colors, bit depth of 2 enables 4 colors, and so on, where the amount of potential colors can be determined by 2^bit_depth. Bit rate is typically listed in kilobits per second (kbps). Bits per second (bps) - This is generally a measure of how fast some device communicates, usually in thousands of bits per second (Kbps) or millions of bits per second (Mbps). www.geek.com /glossary/glossary_search.cgi?b   (5179 words)

 Mbps - a Whatis.com definition   (Site not responding. Last check: 2007-11-05) Mbps is not to be confused with MBps (megabytes per second). Mbps stands for millions of bits per second or megabits per second and is a measure of bandwidth (the total information flow over a given time) on a telecommunications medium. Although the bit is a unit of the binary number system, bits in data communications are discrete signal pulses and have historically been counted using the decimal number system. searchstorage.techtarget.com /sDefinition/0,,sid5_gci212534,00.html   (247 words)

 Lecture 2 Glossary Data transfer rates are often measured in kilobits per second, abbreviated as Kbps. Data rates are often measured in megabits (million bits) or megabytes (million bytes) per second. The baud, therefore, indicates the number of bits per second that are transmitted. www.humboldt.edu /~mdh3/network/lect.02.signal/glossary2.html   (1458 words)

 bits per second - Definition of bits per second by Webster's Online Dictionary   (Site not responding. Last check: 2007-11-05) bits per second - (computer science) the rate at which data is transferred (as by a modem) bits per second - (bps, b/s) The unit in which data rate is measured. In 1996, the maximum modem speed for use on the PSTN was 33. www.webster-dictionary.org /definition/bits%20per%20second   (97 words)

 System Information-Fax Modems, DSP, Digital Signal Processor, ASIC, Application-specific Integrated Circuit, V.DOT, ... If the modem could signal two bit values for each signal change, the bit per second rate would be twice the baud rate, or 600 bps at 300 baud. Most modems transmit several bits per baud, so that the actual baud rate is much slower than the bit per second rate, which is the true gauge of communications speed. The parity bit for each byte (seven data bits plus a parity bit) is set so that all bytes have either an odd number or an even number of set bits. www.idp.net /sysinfo/faxmodems.htm   (2056 words)

 Information theory When a new communication system comes along, you might read, for example, that it is "capable of carrying 90,000 volumes of an encyclopedia per second." 90,000 volumes is a characterization of 3.2 trillion bits, which is even harder to picture than all those books. Bits, especially in the now common phrase "bits per second," are a legacy of Claude Shannon. The pioneer of information theory, Shannon developed a theory of how much information can be sent per unit of time in a system with a given, limited amount of transmission power. www.infomationtheory.org /history.html   (245 words)

 SurfWax: News, Reviews and Articles On Bits Per Second For instance, health care organizations are seeking more bits per second per port in their upgrades, as higher-bandwidth applications such as digital radiology imaging are used more in hospitals. Users should have the right to equipment that achieves speeds of at least 1M bit, Citron said, acknowledging that he doesn't know if that's the right number to aim for, but that it would be better than the 80K bps (bits per second) or 100K bps that users often experience. The team expects to be able receive data at a rate of 1 million bits per second when Mars is at its furthest point from Earth and reception is occurring during the day. telecom.surfwax.com /files/Bits_Per_Second.html   (4719 words)

 [No title] Thus the number of bits per hour transmitted by each station is [512-18] x 8 bits per opportunity x 628,491 opportunities per hour = 2,483,796,432 bits per hour ~ 2.5 Gb per hour. The total number of bits per hour associated with the ring data rate is 16 Mbps x 3600 seconds = 57.6 Gb/hr. Thus the efficiency of utilization of the available bits to send frame payloads is ~ 40/57.6 = 0.69 = 69%.] A particular packet network, composed of many links and routers (packet switches), utilizes a layer 4 protocol to determine whether packets have arrived safely at their intended destinations. www.ece.drexel.edu /courses/ECE-S490_TN/nnmidtermsol.doc   (1647 words)

 Maybe this Equation Explains the Cycle best Bits Per Second   (Site not responding. Last check: 2007-11-05) bits per second (b/s) bits per second (b/s): A unit used to express the number of bits passing a designated point per second. Et modems hastighed måles i bps, altså hvor mange bit modemmet kan overføre i sekundet. Bits per second is a measurement of the... ascot.pl /th/Fourier2/Bits-Per-Second.htm   (935 words)

 Citizen Bandwidth - Andrew Shuman, boy developer, explains bandwidth to the masses. By Andrew Shuman   (Site not responding. Last check: 2007-11-05) The speed at which your brain absorbs words (words per minute), your computer accepts keystrokes (characters per second), or your faucet squirts water (gallons per minute) can be described in terms of bandwidth. A bit is the smallest unit of data, either a zero or a one. Connection speeds are around 8 million bits per second from the Internet to you and about 800,000 bits per second from you to the Internet. slate.msn.com /default.aspx?id=2550   (1426 words)

 Information speed record: 1 trillion bits per second (February 1996) - News - optics.org The achievement is the equivalent of transmitting the contents of 300 years' worth of daily newspapers in a single second, or conveying 12 million telephone conversations simultaneously. The results achieved by the three groups are two and a half times as fast as the previous experimental record of 400 billion bits a second, which NTT Laboratories achieved last year, and 400 times faster than the fastest commercial systems in use today. Systems with capacities of 10-to-20 gigabits per second are expected to be deployed this year. optics.org /articles/news/2/2/22/1   (324 words)

 bps - bits per second or bytes per second. bps - bits per second or bytes per second. bps is an indication of how many bits that pass a certain point in one second. Bps or bytes per second is the same as bits per second, but instead of bits, the speed is measured in bytes. www.computerhope.com /jargon/b/bps.htm   (88 words)

 Kbps - a Whatis.com definition - see also: kilobits per second per second (thousands of bits per second) and is a measure of bandwidth (the amount of data that can flow in a given time) on a data transmission medium. per second (Mbps, or millions of bits per second) and in per second (Gbps, or billions of bits per second). searchnetworking.techtarget.com /sDefinition/0,,sid7_gci212436,00.html   (126 words)

 Cisco - Understanding the Definition of bits per second (bits/sec) from the show interfaces Command Output Understanding the Definition of bits per second (bits/sec) from the show interfaces Command Output The interval can be load, reliability, or packets per second. In this example, utilization drops from 100% to 1% in 90 intervals, or 450 seconds, or 7.5 minutes. www.cisco.com /warp/public/66/3.html   (609 words)

 BSNL Portal || Knowledge Base   (Site not responding. Last check: 2007-11-05) In data communications, a bit per second (abbreviated bps and, by some, bit/sec) is a common measure of data speed for computer modems and transmission carriers. Because bits are made up using the binary (base two) number system, their multiples must also be powers of two i.e., a dilobit is actually 1024 bits and a megabit 1048576 bits. Because data in telecommunications is usually transported in serial (in other words, one bit after the other), speed data is given in bits per second. www.bsnl.in /Knowledgebase.asp?intNewsId=21463&strNewsMore=more   (556 words)

 bits per second - Definition of bits per second - bits per second in Encyclopedia - DictionaryWords.net   (Site not responding. Last check: 2007-11-05) bits per second - Definition of bits per second - bits per second in Encyclopedia - DictionaryWords.net bits per second n : (computer science) the rate at which data is transferred (as by a modem) [syn: bps] For example, a modem's data rate is usually measured in kilobits per second. www.dictionarywords.net /find/word/bits+per+second   (107 words)

 Cable Modem Troubleshooting Tips: Speed Tests Modem speeds are rated in kilobits per second. It takes 8 bits to code one byte (character), so one might expect 512 kbps to be equivalent to 64 kBytes per second. Any figure they give for equivalent transmission speed in kbits per second will be an estimate calculated from the measured data rate in kBytes per second. homepage.ntlworld.com /robin.d.h.walker/cmtips/speed.html   (1241 words)

 Guitar Nine Records - The Essentials Typically, the exact times (down to the hundredth of a second) of punch in and out may be entered, allowing precise overdubbing. Baud rate is often used interchangeably with bps (bits per second), although incorrectly. Also known as 'bps', it indicates the maximum number of bits of data transferred per second, through a phone line, communication line, or MIDI cable. www.guitar9.com /glossaryab.html   (1955 words)

 Computer Networks: Chapter 2 Formulae Baud tells how many signals are sent per second, but there are ways of encoding more than one bit per signal change. This formula shows the maximum number of bits that can be sent per second on a data line with a bandwidth of The max data rate should be in bits per second (bps). www.mindspring.com /~cari/networks/formulae.html   (232 words)

 Internet Terms A fast modem can move about 15,000 bits in one second. Baud In common usage the "baud rate" of a modem is how many bits it can send or receive per second. Technically "baud" is the number of times per second that the carrier signal shifts value- so a 2400 bit-per-second modem actually runs at 300 baud, but it moves 4 bits per baud (4 x 300 = 1200 bits per second). www.uiowa.edu /~c07w151/InternetTerms.html   (1402 words)

 Nanotechnology Is BIG at NIST Here, scientists and engineers are building atom and electron counters, single-photon turnstiles, ultracold ion and atom traps, and lasers that generate uniform pulses of light that last only a few trillionths of a second. After all, when working in the nanoscale realm, pinpoint accuracy only gets you in the general neighborhood, a hair’s breadth is a cavernous space, and a split second might as well be an eon. This work lays the foundation for quantum computing, which calls for the use of quantum bits, or qubits, instead of the familiar digital bits used in conventional computers. www.nist.gov /nano   (5679 words)

 Industry Focus - Telecommunications, part 2 Lucent Technologies has developed a system that can transmit as many as 400 billion bits of data per second over a single strand of fiber. While today's modems top out at 56,000 bits per second, DSL devices will be able to send data at up to seven million bits per second. Nokia, the world's second largest manufacturer of mobile phones, makes an effort to maintain a cutting edge; according to its web page, one out of every four of its employees works in Research and Development. www.graduatingengineer.com /industryfocus/telecomm2.html   (1360 words)

 [No title] Modem speeds are judged in bits per second or "bps." One bps means the modem can transfer roughly one bit per second; the greater the bps rate, the more quickly a modem can send and receive information. The second line tells you the directory on the host system where your mail messages are put, which again, is not something you'll likely need to know. The second line also tells you how many messages are in your mailbox, how many have come in since the last time you looked and how many messages you haven't read yet. www.eff.org /Net_culture/Net_info/EFF_Net_Guide/netguide.eff   (19801 words)

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