ThatQuiz Bilduma Saia zaitez
Information theory - Galdetegia
Hauen laguntzarekin: Haynes
  • 1. What are pseudorandom number generators in computer language libraries almost universally unsuited for?
A) Seismic exploration
B) Cryptographic use
C) Gambling
D) Bioinformatics
  • 2. What must cryptographically secure pseudorandom number generators have to work as intended?
A) Random seeds external to the software
B) Integrated neural clusters
C) Analog processing methods
D) High Shannon entropy
  • 3. How can random seeds for pseudorandom generators be obtained?
A) Via extractors
B) By using semiotic signs
C) Through Shannon entropy
D) Via digital noise
  • 4. What is the measure of sufficient randomness in extractors?
A) Dynamic core hypothesis
B) Min-entropy
C) Effective information
D) Free energy
  • 5. Min-entropy is related to Shannon entropy through which other type of entropy?
A) Conditional entropy
B) Rényi entropy
C) Thermal entropy
D) Algorithmic entropy
  • 6. Where is Rényi entropy also used?
A) In semiotic code control
B) In evaluating randomness in cryptographic systems
C) In seismic oil exploration
D) In minimizing free energy
  • 7. Does a random variable with high Shannon entropy guarantee it is satisfactory for use in an extractor?
A) Only for pseudorandom numbers
B) Only in cryptographic systems
C) Yes
D) No
  • 8. What was one early commercial application of information theory?
A) Black hole analysis
B) Bioinformatics
C) Search for extraterrestrial intelligence
D) Seismic oil exploration
  • 9. What did information theory make it possible to do in seismic exploration?
A) Minimize free energy in the brain
B) Strip off and separate unwanted noise from the desired seismic signal
C) Generate secure pseudorandom numbers
D) Decode dominant social messages
  • 10. What methods offered a major improvement of resolution and image clarity over previous analog methods in seismic work?
A) Free energy principles
B) Extractors and Rényi entropy
C) Information theory and digital signal processing
D) Cryptographically secure pseudorandom number generators
  • 11. Which semioticians considered Charles Sanders Peirce as having created a theory of information?
A) Umberto Eco and Ferruccio Rossi-Landi
B) Karl J. Friston and Andrey Kolmogorov
C) Gerald Edelman and Giulio Tononi
D) Doede Nauta and Winfried Nöth
  • 12. How did Doede Nauta define semiotic information theory?
A) The measurement of sufficient randomness in extractors
B) The study of the internal processes of coding, filtering, and information processing
C) The minimization of free energy in a self-organized system
D) The separation of unwanted noise from seismic signals
  • 13. Which semioticians used concepts like redundancy and code control to explain ideology?
A) Umberto Eco and Ferruccio Rossi-Landi
B) Doede Nauta and Winfried Nöth
C) Gerald Edelman and Karl J. Friston
D) C.E. Shannon and R.V.L. Hartley
  • 14. In semiotic explanations of ideology, how does a dominant social class emit its message?
A) By using signs that exhibit a high degree of redundancy
B) By applying the free energy principle
C) By utilizing cryptographically secure pseudorandom seeds
D) Through digital signal processing of seismic signals
  • 15. Where have quantitative information theoretic methods been applied in cognitive science?
A) To analyze the integrated process organization of neural information
B) To explore seismic oil deposits
C) To study black holes and bioinformatics
D) To extract random numbers for cryptography
  • 16. What neurological problem is linked to the analysis of neural information organization?
A) The paradox of extraterrestrial intelligence
B) The issue of seismic noise filtering
C) The problem of algorithmic complexity
D) The binding problem in cognitive neuroscience
  • 17. Whose functional clustering model and dynamic core hypothesis define an information-theoretical measure in neural processing?
A) Doede Nauta and Winfried Nöth
B) Gerald Edelman and Giulio Tononi
C) Umberto Eco and Ferruccio Rossi-Landi
D) R.V.L. Hartley and C.E. Shannon
  • 18. What is Giulio Tononi's integrated information theory (IIT) of consciousness based on?
A) Effective information
B) Min-entropy
C) Seismic signal processing
D) Shannon entropy
  • 19. What underlies the definition of measures in the context of neural information organization?
A) External cryptographic random seeds
B) A reentrant process organization
C) Analog methods of data transmission
D) A high degree of redundancy in signs
  • 20. What does a reentrant process organization refer to?
A) The generation of pseudorandom numbers using extractors
B) The coding and filtering processes studied in semiotics
C) The filtering of unwanted noise from desired seismic signals
D) The synchronization of neurophysiological activity between groups of neuronal populations
  • 21. Whose free energy principle (FEP) states that every adaptive change leads to a minimization of free energy?
A) Karl J. Friston
B) Gerald Edelman
C) Charles Sanders Peirce
D) Giulio Tononi
  • 22. What type of system does the free energy principle apply to?
A) A self-organized system
B) An analog seismic receiver
C) A dominant social class
D) A cryptographic random number generator
  • 23. Along with the free energy principle, what other hypothesis is mentioned in relation to statistical methods in the brain?
A) The Bayesian brain hypothesis
B) The dynamic core hypothesis
C) The semiotic information theory
D) The integrated information theory
  • 24. Which field, aside from cryptography and seismology, has applications in information theory?
A) Phrenology
B) Alchemy
C) Search for extraterrestrial intelligence
D) Astrology
  • 25. Which physical phenomenon is listed alongside extraterrestrial intelligence as having applications for information theory?
A) Tectonic plates
B) Black holes
C) Seismic waves
D) Neural clusters
  • 26. What life-science field is mentioned as having applications in information theory?
A) Biomechanics
B) Bioinformatics
C) Biochemistry
D) Biophysics
  • 27. What recreational activity is listed as an application of information theory?
A) Crosswords
B) Chess
C) Cipher creation
D) Gambling
  • 28. Who is listed in the history section alongside C.E. Shannon and Andrey Kolmogorov?
A) Gerald Edelman
B) Umberto Eco
C) R.V.L. Hartley
D) Doede Nauta
  • 29. Who is mentioned in the history section alongside R.V.L. Hartley and Andrey Kolmogorov?
A) Ferruccio Rossi-Landi
B) Winfried Nöth
C) C.E. Shannon
D) Giulio Tononi
  • 30. Who is listed in the history section alongside R.V.L. Hartley and C.E. Shannon?
A) Charles Sanders Peirce
B) Andrey Kolmogorov
C) Winfried Nöth
D) Karl J. Friston
  • 31. What is the historical figure H.P. Yockey associated with in the text?
A) Integrated information theory
B) Dynamic core hypothesis
C) History of information theory
D) Free energy principle
  • 32. What do physiological systems use information theory to exchange, process, and integrate as?
A) A single organ
B) A block cipher
C) A network
D) A brute force attack
  • 33. What do physiological systems generate alongside functions in health and disease?
A) Unicity distances
B) Information theory units
C) Distinct physiological states
D) Symmetric keys
  • 34. What does network cross-communication and regulation reveal within the organism?
A) Why brute force attacks succeed
B) How encryption keys are generated
C) How it occurs
D) Why it ceases permanently
  • 35. Which interactions are listed as applications of information-theoretic approaches in physiology?
A) One-time pad interactions
B) Cardio-respiratory interactions
C) Enigma machine interactions
D) Cryptographic interactions
  • 36. In what kind of environments is network physiology applied according to the text?
A) Underground bunker environments
B) Simulated virtual environments
C) Extreme environments
D) Cryogenic laboratory environments
  • 37. What was the name of Turing's information unit used in the Ultra project?
A) The shannon
B) The bit
C) The ban
D) The byte
  • 38. In which project was Turing's information unit used?
A) The Enigma project
B) The Unicity project
C) The Ultra project
D) The Venona project
  • 39. What German machine code was broken during World War II with the help of the ban?
A) One-time pad code
B) Symmetric key code
C) Lorenz cipher code
D) Enigma machine code
  • 40. What does information theory lead us to believe about keeping secrets?
A) It is extremely easy using symmetric keys
B) It is much more difficult than it might first appear
C) It is completely impossible under any circumstances
D) It requires no computational effort
  • 41. What kind of attack can break systems based on asymmetric or symmetric key algorithms?
A) An information-theoretic attack
B) A brute force attack
C) A network physiology attack
D) A conditional mutual attack
  • 42. What are symmetric key algorithms sometimes called?
A) Unicity distance algorithms
B) Asymmetric algorithms
C) One-time pads
D) Secret key algorithms
  • 43. What is an example of a commonly used method of symmetric key algorithms?
A) Block ciphers
B) One-time pads
C) Transfer entropy
D) Bans
  • 44. What must be used correctly even when applying information-theoretically secure methods?
A) Care
B) Block ciphers
C) Transfer entropy
D) Brute force
  • 45. Which project was able to crack the one-time pads of the Soviet Union?
A) The Ultra project
B) The Enigma project
C) The Network Physiology project
D) The Venona project
  • 46. In which type of data compression must the data be reconstructed exactly?
A) Lossy data compression
B) Lossless data compression
C) Rate-distortion theory
D) Channel coding
  • 47. What justifies the division of coding theory into compression and transmission?
A) Pragmatic information
B) Channel resolvability
C) Source-channel separation theorems
D) Rate-distortion theory
  • 48. What do source-channel separation theorems justify the use of as the universal currency for information?
A) Distortion functions
B) Entropy
C) Bits
D) Bytes
  • 49. What type of channel involves more than one transmitter?
A) The wiretap channel
B) The multiple-access channel
C) The relay channel
D) The broadcast channel
  • 50. What type of channel involves more than one receiver?
A) The multiple-access channel
B) The relay channel
C) The wiretap channel
D) The broadcast channel
  • 51. What type of channel involves intermediary helpers?
A) The broadcast channel
B) The multiple-access channel
C) The wiretap channel
D) The relay channel
  • 52. What should joint entropy not be confused with despite similar notation?
A) Mutual information
B) Cross-entropy
C) Conditional entropy
D) Kullback-Leibler divergence
  • 53. What type of space does the vector give values in for joint entropy?
A) Metric space
B) Product space
C) Vector space
D) Euclidean space
  • 54. What is the formula for self-information I(pi)?
A) log2(pi)
B) 1 / pi
C) -log2(pi)
D) -ln(pi)
  • 55. What is the entropy H relative to the surprisal of all possible symbols?
A) The median
B) The geometric mean
C) The weighted average
D) The maximum value
  • 56. If 1000 bits are transmitted and each is independently and equally likely to be 0 or 1, how much information has been transmitted?
A) 1 shannon
B) 2000 bits
C) No information
D) 1000 shannons
  • 57. In what year was Claude Shannon's paper 'A Mathematical Theory of Communication' published?
A) 1960
B) 1952
C) 1948
D) 1939
  • 58. In what decade was information theory established and formalized?
A) 1950s
B) 1940s
C) 1930s
D) 1920s
  • 59. In what context was information theory initially formed?
A) Telecommunication
B) Quantum computing
C) Artificial intelligence
D) Molecular biology
  • 60. What is the entropy of a coin flip when you already know the outcome after it has landed?
A) 2 bits
B) Zero
C) 0.5 bits
D) 1 bit
  • 61. What is an example of source coding or data compression mentioned in the text?
A) DSL
B) Voyager missions
C) Compact discs
D) ZIP files
  • 62. What is an example of channel coding mentioned in the text?
A) DSL
B) ZIP files
C) Artificial intelligence
D) Mobile phones
  • 63. Whose success was crucially impacted by information theory regarding deep space missions?
A) Voyager missions
B) Hubble telescope
C) Apollo missions
D) Curiosity rover
  • 64. Which invention's success was crucially impacted by information theory?
A) Compact disc
B) Steam engine
C) Television
D) Radio
  • 65. What technology's feasibility was made possible by information theory?
A) Automobiles
B) Mobile phones
C) Airplanes
D) Electric guitars
  • 66. What modern developments were impacted by information theory alongside artificial intelligence?
A) The postal service
B) The printing press
C) The telegraph network
D) The Internet
  • 67. Which computational paradigm is listed alongside artificial intelligence as an application of information theory?
A) Distributed computing
B) Optical computing
C) Quantum computing
D) Cloud computing
  • 68. Which of the following artistic applications is mentioned as a use case for information theory?
A) Architectural drafting
B) Art creation
C) Oil painting restoration
D) Sculpture casting
  • 69. What specific musical topic is analyzed using information theory according to the text?
A) Musical instrument design
B) Vocal cord anatomy
C) Music
D) Acoustic room resonance
  • 70. Which philosophical field is listed at the end of the text as an application area of information theory?
A) Epistemology
B) Metaphysics
C) Aesthetics
D) Ethics
  • 71. Which historian rated Shannon's 1948 paper as the most important development of 1948?
A) Vannevar Bush
B) Harry Nyquist
C) Ralph Hartley
D) James Gleick
  • 72. In what year did Shannon outline some of his initial ideas in a letter to Vannevar Bush?
A) 1939
B) 1928
C) 1948
D) 1940
  • 73. To whom did Shannon write a letter outlining initial ideas of information theory in 1939?
A) Vannevar Bush
B) Ludwig Boltzmann
C) Alan Turing
D) James Gleick
  • 74. Who wrote the 1924 paper 'Certain Factors Affecting Telegraph Speed'?
A) Claude Shannon
B) Alan Turing
C) Harry Nyquist
D) Ralph Hartley
  • 75. What relation was given in Harry Nyquist's 1924 paper?
A) W = K log m
B) H = log Sn
C) E = mc2
D) PV = nRT
  • 76. What unit of information was sometimes called the hartley in honor of Ralph Hartley?
A) The bit
B) The baud
C) The byte
D) The decimal digit
  • 77. Who used similar ideas in 1940 as part of the statistical analysis of breaking German Enigma ciphers?
A) Claude Shannon
B) Harry Nyquist
C) Alan Turing
D) Ralph Hartley
  • 78. Who made important contributions connecting information-theoretic entropy and thermodynamic entropy in the 1960s?
A) Harry Nyquist
B) James Gleick
C) Vannevar Bush
D) Rolf Landauer
  • 79. What logarithmic base is the bit or shannon based on?
A) Common logarithm
B) Natural logarithm
C) Binary logarithm
D) Decimal logarithm
  • 80. What logarithmic base is the nat based on?
A) Natural logarithm
B) Binary logarithm
C) Common logarithm
D) Base-two logarithm
  • 81. What logarithmic base is the decimal digit based on?
A) Common logarithm
B) Base-e logarithm
C) Natural logarithm
D) Binary logarithm
  • 82. What does the maximum value of entropy represent?
A) A deterministic sequence
B) The lowest possible information content
C) The most predictable state
D) The most unpredictable state
  • 83. What logarithmic base measures entropy in bytes per symbol?
A) Base-e
B) Base-10
C) Base-2
D) Base-256
  • 84. What type of trial has two outcomes for the binary entropy function?
A) An equiprobable trial
B) A Bernoulli trial
C) A logarithmic trial
D) A Markov trial
  • 85. What is another name for conditional entropy?
A) Equivocation
B) Mutual information
C) Joint entropy
D) Marginal entropy
  • 86. What is another name for mutual information according to the text?
A) Log-likelihood ratio
B) Pointwise mutual information
C) Kullback-Leibler divergence
D) Transinformation
  • 87. In what field is mutual information particularly important for maximizing shared information between sent and received signals?
A) Communication
B) Quantum mechanics
C) Macroeconomics
D) Thermodynamics
  • 88. Mutual information can be expressed as the average of which divergence?
A) Mahalanobis distance
B) Euclidean distance
C) Kullback-Leibler divergence
D) Jensen-Shannon divergence
  • 89. With which statistical test is mutual information closely related in the context of contingency tables?
A) Mann-Whitney U test
B) Student's t-test
C) Log-likelihood ratio test
D) Shapiro-Wilk test
  • 90. What type of mathematical function is the KL divergence classified as?
A) Inner product
B) Semi-quasimetric
C) Euclidean metric
D) Linear transformation
  • 91. In the alternative interpretation involving Alice and Bob, who knows the true probability distribution p(x)?
A) Bob
B) Neither
C) Both
D) Alice
  • 92. According to the surprise interpretation, who will be more surprised on average upon seeing the value of X?
A) Alice
B) Both will be equally surprised
C) It is impossible to determine
D) Bob
  • 93. What type of set is X assumed to be when drawing a random number in the surprise interpretation?
A) A finite geometric set
B) An infinite continuous set
C) A discrete set
D) An empty set
  • 94. Does directed information apply to statistical physics?
A) Only in macroscopic mechanics
B) Only in quantum states
C) No
D) Yes
  • 95. What does the random process Xn consist of?
A) {X0, X1, ..., X_{n-1}}
B) {Y1, Y2, ..., Y_n}
C) {X1, X2, ..., X_n}
D) {X1, Y1, ..., X_n, Y_n}
  • 96. What do the two expressions for the rate give for stationary sources?
A) An undefined value
B) The same result
C) A result of zero
D) Completely different results
  • 97. How is the noise nature of the channel considered in the text?
A) A negligible factor in modern systems
B) A completely controllable variable
C) An inherent fixed property
D) An unpredictable random variable that changes constantly
  • 98. What is the crossover probability of a binary symmetric channel denoted as?
A) p
B) Hb
C) e
D) i
  • 99. What does a binary symmetric channel do to the input bit with probability p?
A) Erases the input bit
B) Delays the input bit
C) Flips the input bit
D) Duplicates the input bit
  • 100. What feature do many channels have in practice?
A) Ternary input
B) Memory
C) Gaussian noise
D) Zero capacity
Azterketa honekin sortua That Quiz — matematika praktikatzen den tokia.