Bits Definition and 73 Threads

  1. C

    Probability of Bit Strings with 1 and 00 Endings: A 10-bit Analysis

    Homework Statement Find the probability that a randomly generated bit string of length 10 begins with a 1 or ends with 00 if the probability that a bit is a 0 is 0.4. Homework Equations The Attempt at a Solution The probability that a bit is a 0 is 0.4 and that a bit is a 1 is...
  2. D

    Find the number of bits that can be stored on a 10cm disk

    Homework Statement A computer disk is made by focusing light to a spot whose diameter is comparable to the optical wavelength. Find the number of bits that can be stored on a 10cm diameter optical disk using an infrared laser. Homework Equations Lamda λ = diametre of laser The...
  3. T

    Bits, Bytes, transmission rates

    Problem : a) A good sized English book has about 100000 words. If an average English word is six characters long and each character needs 1 byte, show that the book can be stored in 600 kbyte of memory and show that the text takes nearly 5 seconds to be transmitted at 1 Mbit s-¹. Show that it...
  4. O

    How can I set the even bits to 1 using only specific operators?

    Homework Statement /* * evenBits - return word with all even-numbered bits set to 1 * Legal ops: ! ~ & ^ | + << >> * Max ops: 8 * Rating: 2 */ int evenBits(void) { return ?; } The Attempt at a Solution I have no idea! What I originally thought was that I would...
  5. D

    Game of Alternating Bits: Is There a Winning Strategy?

    Homework Statement Player 1 starts by choosing 0 or 1, then player 2, repeat infinitely many times and stick a decimal point in front and see the bit string as a real number between 0 and 1. If it's rational player 1 wins, irrational player 2 wins. Does either player have a winning strategy...
  6. D

    Exploring a Paradox: Representing Countable Sets with Bits

    Hello, I have a curiosity. With a finite number of bits, say 5, you can represent 2^5 items. If B = {00001, 00010, 00100, 01000, 10000} is the set of these 5 bits, you can combine them to represent the power set of B, with cardinality 2^5. With a countably infinite number of bits, you...
  7. wolram

    SD Card: Baffled by Big & Little Bits

    I just bought an SD card for my camera, talk about things getting smaller i could hardly hold the big bit that the little bit had to be pushed into, now i am baffled is it the big bit that holds the 1 gig memory or the little bit, if it is the little bit why have the big bit, or is that for...
  8. E

    Understanding 2's Complement w/ 4 Bits

    Why in 2's complement the range of numbers that can be represented with 4 bits are from -8 to +7? Wouldn't the numbers with 4 bits be till 15? I am confused.Please help me out. -Thankyou
  9. U

    Infrared LED - Transmitting Multiple Bits

    Hi all, quick question here. As part of a sophomore seminar class, I have this little task to complete. I currently want to send a series of 4 bits through an IR LED that will reach a GaAs photo transistor. What I'm doing is using a shift register to load in the binary value (via a parallel...
  10. T

    Entropy of a message of N bits (help)

    Hi, This is a re-launch of an earlier question that I have narrowed down to just part a). I have also added my musings on it so far. This is all very new to me (and we haven't been given much in the lectures to go by [nor is there a course text]). I'd appreciate some help asap! Homework...
  11. I

    Do new bits cause the expansion and acceleration of the Universe?

    Here is an article about the Holographic Principle found on Wiki, then please read my comments below: If new bits can actually create area (volume as described above), maybe the universe is expanding because its bits are increasing? Maybe since humans have developed computers and we are...
  12. L

    Is there a way to translate quantum bits in a traditional numerological system?

    Are quantum bits just a form of a ternary numeral system? If something can be 0, 1, or both simultaneously, isn't the superposition just another equal value? If the superposition of 0 and 1 were literally individual, combined, and possibly something different simultaneously, then it seems...
  13. S

    2 Bits of help neede for study Logarithm+Complex number

    Hey there I'm studying for end of year exams and can't figure out how to do these 2 questions: 1) Express \log_{10}(2\sqrt{10}) - \frac{1}{3}\log_{10}0.8 - \log_{10}(\frac{10}{3}) in the form c + \log_{10}d 2) Simply finding the cube root of a complex number in polar/cartesian form ie...
  14. C

    Calculating DC Offset for 19 High Bits Followed by Low Bit

    If I have a string of 19 continuous bits 'high' followed by a bit 'low', how do I calculate the DC Offset if the pattern is repeated? Is it just [(19 - 1)*(the amplitude)]/(20)? Thanks for the help. Chris
  15. L

    MATLAB Exploring MATLAB - Uncovering the Mysteries of the Fuzzy Bits

    MATLAB! Question! Hi, http://www.geocities.com/spoutveg10/matlab.JPG Does anyone know what the "fuzzy" bit at the tops of the spectrum are? I went for a complete guess out of distortion or noise. Any elaboration as to why? I connected up a Binouli random data source with a sample time...
  16. wolram

    Flimsy bits of wood and tensioned strings

    How do they make them so that these exquisite notes come from them, i mean they are flimsy bits of wood and tensioned strings, is there a (science) behind it ?
  17. U

    Why Do Hubble Photos Have Black Squares?

    Why do some photos have black squares cut out of them from hubble, like this: http://nssdc.gsfc.nasa.gov/image/astro/hst_antennae_9734a1.jpg
  18. wolram

    Keeping Bits Warm in Freezing Fog

    I got called into work today on my day off, and is was **** cold, it is freezing fog outside and a max of 10c inside, how can i keep my bits warm ?
  19. C

    Which bits of the spring metal stretch and in what directions?

    When we stretch a spring like the one on this link, http://auto.howstuffworks.com/car-suspension3.htm it tends to obey hookes law (up to a point) - does this mean, like when wires are stretched (which also obey hookes law) the metal of the spring is actually streching and not just being moved...
  20. R

    Are strings the equivalent to bits?

    I often think about this subject, would it be a fair assumption to say that our electronic bits are a equivalent and more simple "thing" of that we assume to be the more elementar "particle" of the universe, a string, acording to the theory, it is the vibrating state of certain string that...
  21. C

    Bits and Bytes: Understanding the Fundamentals of Binary Representation

    Hello everyone I am enrolled in a AP Computer Science course. Currently we are learning about bits and bytes. Could someone please explain the concept of bits and bytes. For example, here are some questions that I have tried doing: 1. 16-bit binary numbers can be used to represent all...
  22. N

    How many binary strings of length 10 contains exactly two 01?

    Hi all! I'm in serious need of some help. The question: How many binary strings of length 10 contains exactly two "01"? My idea was to weld together 4 bits to 2 "01". That way, there's \frac{8!}{2!} strings with at least 2 "01". But there are a bunch of strings with more than 2 "01" in...
  23. wolram

    Program that drives my scanner had bits missing

    i had a problem earlier that russ,zantra and greg helped me out of, basicaly the program that drives my scanner had bits missing, as i NEVER load anything on my computer, apart from the os or download from the net, apart from saving certain items to MY DOCUMENTS, how can this happen? my...
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