Otik
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Questions and Answers
- 1.
Redudansa je:
- A.
Slanje obradenih podataka kroz kanal
- B.
Suvisnost jednog izvora informacija
- C.
Proces obrade podataka
Correct Answer
B. Suvisnost jednog izvora informacijaExplanation
Redudansa refers to the redundancy or duplication of information in a communication system. It is the presence of unnecessary or repetitive data that can be eliminated without loss of information. In this context, suvisnost jednog izvora informacija means the redundancy or duplication of information from one source. This suggests that the correct answer is referring to the redundancy of information from a single source.Rate this question:
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- 2.
Razlika izmedu podataka i informacije:
- A.
Postoji
- B.
Ne postoji
- C.
Zavisi od kolicine podataka
Correct Answer
A. PostojiExplanation
The correct answer is "Postoji" which means "Exists" in English. This suggests that there is a difference between data and information. The explanation for this answer could be that data refers to raw facts or figures, while information is the processed and organized data that has meaning and context. Therefore, the existence of this difference implies that data and information are not the same thing.Rate this question:
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- 3.
Broj 17 je:
- A.
Informacija
- B.
Podatak
- C.
Redudansa
- D.
Nijedan od ponudenih odgovora
Correct Answer
B. PodatakExplanation
The number 17 is considered a "podatak" because it is a numerical value that can be used to provide information or represent a quantity.Rate this question:
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- 4.
Ako je podatku dodeljeno znacenje:
- A.
Dobijamo jedan kompletan podatak
- B.
Dobijamo informaciju
- C.
Kolicina informacije se smanjuje
Correct Answer
B. Dobijamo informacijuExplanation
When a meaning is assigned to data, it means that the data is interpreted and understood. This interpretation allows us to gain information from the data, as it provides us with insight and knowledge. Therefore, the correct answer is that we obtain information when a meaning is assigned to data.Rate this question:
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- 5.
Poruka “Sada je 22h.” je:
- A.
Informacija jer podatku dodajemo znacenje
- B.
Podatak bez informacije
- C.
Ureden podatak
Correct Answer
A. Informacija jer podatku dodajemo znacenjeExplanation
The given correct answer states that the message "Sada je 22h." is an information because we add meaning to the data. In this case, the statement "Sada je 22h." provides specific information about the time, indicating that it is currently 22:00. This adds meaning to the data of the time and transforms it into information that can be understood and interpreted by the recipient.Rate this question:
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- 6.
Informacija se sastoji od:
- A.
? obradenog podatka i redudanse
- B.
Podatkai i dodeljenog znacenja
- C.
? podatka i ? informacije
- D.
Podatka i prosecne vrednosti
Correct Answer
B. Podatkai i dodeljenog znacenjaExplanation
The correct answer is "Podatkai i dodeljenog znacenja" because information consists of data and assigned meaning. Data alone does not have any significance or meaning until it is processed and interpreted, which is when it becomes information. Therefore, the combination of data and assigned meaning is necessary for information to exist.Rate this question:
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- 7.
Informacija je:
- A.
Skup poruka bez konteksta
- B.
Skup poruka u nekom kontekstu
- C.
Nijedan od ponudenih odgovora
Correct Answer
B. Skup poruka u nekom kontekstuExplanation
The correct answer is "Skup poruka u nekom kontekstu" which translates to "A set of messages in some context." This answer suggests that information is a collection of messages that are meaningful and relevant within a specific context or situation. It implies that information is not just random or isolated messages, but rather has a purpose and is connected to a particular context or setting.Rate this question:
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- 8.
Informacija je:
- A.
Dekrement znanja
- B.
Inkrement znanja
- C.
Dekrement I inkrement u datom odnosu
Correct Answer
B. Inkrement znanjaExplanation
The correct answer is "Inkrement znanja." This suggests that the information is related to increasing or improving knowledge. It implies that the information provided will contribute to the expansion or enhancement of one's understanding or expertise in a particular subject or field.Rate this question:
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- 9.
Informacija je:
- A.
Primljena I poslata poruka
- B.
Primljena I shvacena poruka
Correct Answer
B. Primljena I shvacena porukaExplanation
The correct answer is "Primljena I shvacena poruka" because it implies that the information has been received and understood. The other option, "Primljena I poslata poruka," only indicates that the message has been received and sent, but does not guarantee that it has been comprehended. Therefore, the correct answer suggests that the information has been both received and processed effectively.Rate this question:
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- 10.
Pravilna hijerarhija priramide znanja je:
- A.
Mudrost, znanje, informacija, podaci
- B.
Podaci, znanje, mudrost, informacija
- C.
Podaci, informacija, znanje, mudrost
- D.
Znanje, podaci, mudrost, informacija
Correct Answer
C. Podaci, informacija, znanje, mudrostExplanation
The correct answer is "Podaci, informacija, znanje, mudrost." This hierarchy represents the progression of data to wisdom. Data refers to raw facts and figures, which can be processed and organized to become information. Information is meaningful data that can be used to gain knowledge. Knowledge is the understanding and application of information, and wisdom is the ability to make wise decisions based on knowledge and experience. Therefore, the correct order is data, information, knowledge, and wisdom.Rate this question:
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- 11.
Podatak je:
- A.
Najosnovniji nivo
- B.
Napredan nivo definicije informacija
- C.
Srednji nivo DIKW strukture
Correct Answer
A. Najosnovniji nivoExplanation
The given answer suggests that the correct answer is "Najosnovniji nivo" because it is the most basic level in the DIKW (Data, Information, Knowledge, Wisdom) structure. This implies that the other options, "Napredan nivo definicije informacija" (Advanced level of defining information) and "Srednji nivo DIKW strukture" (Intermediate level of the DIKW structure), are not as fundamental as the first option. Therefore, "Najosnovniji nivo" is the correct answer.Rate this question:
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- 12.
Informacija :
- A.
Nacin upotrebe
- B.
Dodaje kontekst
- C.
Oduzima kontekst
Correct Answer
B. Dodaje kontekstExplanation
This answer suggests that the correct answer is "Dodaje kontekst" (Adds context). This means that the given information is adding additional information or details to a situation or topic, which helps to provide a clearer understanding or perspective. It implies that the information is enhancing or enriching the existing context.Rate this question:
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- 13.
Znanje odreduje:
- A.
Nacin upotrebe
- B.
Kontekst
- C.
Najosnovniji nivo
Correct Answer
A. Nacin upotrebeExplanation
The correct answer is "Nacin upotrebe" because it refers to the way something is used or applied. Knowledge determines the manner in which something is utilized or put into practice. This implies that understanding or familiarity with a subject or skill is essential in determining how it is utilized.Rate this question:
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- 14.
Mudrost odreduje:
- A.
Najosnovniji nivo
- B.
Kontekst
- C.
Nacin upotrebe
- D.
Nijedan od ponudenih odgovora
Correct Answer
D. Nijedan od ponudenih odgovoraExplanation
The given answer states that none of the options provided are correct for the question. However, since the question is incomplete and does not provide any context or information, it is not possible to determine the correct answer or provide a suitable explanation.Rate this question:
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- 15.
Kada i zasto nesto upotrebiti definise:
- A.
Informacija
- B.
Mudrost
- C.
Podatak
- D.
Znanje
Correct Answer
B. MudrostExplanation
The question is asking about what defines when and why to use something. The concept of "mudrost" (wisdom) encompasses the ability to make sound judgments and decisions based on knowledge and experience. Wisdom is often considered to be a higher level of understanding and insight, which allows individuals to determine the appropriate time and reasons for utilizing something. Therefore, "mudrost" is the correct answer in this context.Rate this question:
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- 16.
Nacin upotrbe odreduje:
- A.
Mudrost
- B.
Znanje
- C.
Informacija
- D.
Podatak
Correct Answer
B. ZnanjeExplanation
Znanje je određeno nacinom upotrebe jer se stiče kroz iskustvo, učenje i razumijevanje. Način na koji koristimo informacije i podatke koje imamo određuje naše znanje. Mudrost je više povezana s primjenom znanja u praksi, dok su informacije i podaci samo sirov materijal iz kojeg znanje može biti izvedeno.Rate this question:
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- 17.
Kontekst odreduje:
- A.
Informacija
- B.
Podatak
- C.
Mudrost
- D.
Znanje
Correct Answer
A. InformacijaExplanation
The context determines the meaning or significance of something. In this case, the correct answer is "Informacija" which means "Information" in English. The context in which something is presented or discussed can greatly impact its interpretation and understanding.Rate this question:
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- 18.
Podatak dolazi u obliku neobradenih zapazanja i dimenzija.
- A.
Da
- B.
Ne
Correct Answer
A. DaExplanation
The explanation for the given correct answer is that the data is in the form of unprocessed observations and dimensions. This implies that the data has not been analyzed or manipulated in any way and is in its raw form. Therefore, the answer "Da" (Yes) is correct as it acknowledges that the data is indeed in its unprocessed state.Rate this question:
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- 19.
Informacija se oblikuje analiziranjem veza i odnosa izmedu informacija.
- A.
Da
- B.
Ne
- C.
Ako su podaci grupisani u jednu celinu
Correct Answer
B. NeExplanation
The given statement suggests that information is formed by analyzing the connections and relationships between pieces of information. It does not imply that information is formed by grouping data into a single entity. Therefore, the correct answer is "No."Rate this question:
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- 20.
Znanje se oblikuje ako:
- A.
Koristimo informaciju za delovanje
- B.
Ne koristimo informaciju za delovanje
Correct Answer
A. Koristimo informaciju za delovanjeExplanation
The correct answer states that knowledge is formed when we use information for action. This means that knowledge is not simply acquired passively, but is actively applied and utilized in our actions and decision-making. By using information to guide our actions, we are able to gain experience and learn from the outcomes, which leads to the formation and development of knowledge.Rate this question:
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- 21.
Mudrost se oblikuje:
- A.
Kroz upotrebu podataka
- B.
Kroz upotrebu znanja
- C.
Kroz upotrbu podataka
Correct Answer
B. Kroz upotrebu znanjaExplanation
Wisdom is shaped through the use of knowledge.Rate this question:
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- 22.
Opsteprihvaceno je misljenje:
- A.
Da je podatak manji od informacije
- B.
Da je informacija veca od podatka
- C.
Da je podatak veci od informacije
- D.
Da je informacija manja od podatka
Correct Answer(s)
A. Da je podatak manji od informacije
B. Da je informacija veca od podatkaExplanation
The given answer states that "podatak" (data) is smaller than "informacija" (information), and "informacija" is larger than "podatak". This implies that data is a subset of information, meaning that information contains more details and context than just raw data. This aligns with the common understanding that data is raw, unprocessed facts, while information is data that has been organized, analyzed, and given meaning. Therefore, the correct answer suggests that information is greater in terms of quantity and quality compared to data.Rate this question:
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- 23.
Razlika izmedu znanja i razumevanja je kao i izmedu ucenja i memorisanja.
- A.
Tvrdnja je tacna
- B.
Tvrdnja nije tacna
Correct Answer
A. Tvrdnja je tacnaExplanation
The statement is comparing the difference between knowledge and understanding to the difference between learning and memorization. It suggests that just as learning is different from memorizing, knowledge is different from understanding. This implies that knowledge involves acquiring information, while understanding involves comprehending and applying that knowledge in a meaningful way.Rate this question:
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- 24.
Razlika izmedu znanja i razumevanja je kao i izmedu pisanja I citanja.
- A.
Tvrdnja je tacna
- B.
Tvrdnja nije tacna
Correct Answer
B. Tvrdnja nije tacnaExplanation
The statement suggests that there is a difference between knowledge and understanding, similar to the difference between writing and reading. However, this is not a correct statement. Knowledge and understanding are closely related concepts and are often used interchangeably. While reading and writing are different skills, knowledge and understanding are not mutually exclusive. One can acquire knowledge through reading and also develop a deeper understanding of a subject through writing and reflecting on that knowledge. Therefore, the statement that the difference between knowledge and understanding is like the difference between writing and reading is not accurate.Rate this question:
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- 25.
Do koje mere se neki skup podataka moze komprimovati?(Shannon)
- A.
Entropija izvora H
- B.
Kapacitet kanala C
Correct Answer
A. Entropija izvora HExplanation
The correct answer is "Entropija izvora H." Entropija izvora meri količinu informacija koja se može komprimovati u skupu podataka. Veća entropija znači da je skup podataka manje kompresibilan, dok manja entropija ukazuje na veću mogućnost kompresije. Stoga, do koje mere se neki skup podataka može komprimovati zavisi od entropije izvora.Rate this question:
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- 26.
Sta je krajnja brzina komuniciranja za zadati komunikacioni kanal?(Shannon)
- A.
Entropija izvora H
- B.
Kapacitet kanala C
Correct Answer
B. Kapacitet kanala CExplanation
The correct answer is "Kapacitet kanala C" (Channel capacity C). Channel capacity refers to the maximum rate at which information can be reliably transmitted through a communication channel. It is determined by the channel's bandwidth and signal-to-noise ratio. The higher the channel capacity, the faster the communication speed. In this context, "krajnja brzina komuniciranja" (maximum communication speed) is synonymous with channel capacity.Rate this question:
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- 27.
Entropija izvora H definise:
- A.
Meru do koje se neki skup podataka moze komprimovati
- B.
Krajnju brzinu datog komunikacionog kanala
- C.
Prosecnu kolicinu informacija
Correct Answer(s)
A. Meru do koje se neki skup podataka moze komprimovati
C. Prosecnu kolicinu informacijaExplanation
The correct answer is "Meru do koje se neki skup podataka moze komprimovati, Prosecnu kolicinu informacija." The explanation for this answer is that entropy of a source H defines the measure to which a set of data can be compressed and the average amount of information. Entropy represents the amount of uncertainty or randomness in a source, and by measuring it, we can determine the maximum compression that can be achieved on a given dataset. Additionally, entropy also represents the average amount of information contained in each symbol or data point from the source.Rate this question:
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- 28.
Kapacitet kanala C definise:
- A.
Meru do koje se neki skup podataka moze komprimovati
- B.
Krajnju brzinu datog komunikacionog kanala
- C.
Minimalnu mrzinu komunikacionog kanala
Correct Answer
B. Krajnju brzinu datog komunikacionog kanalaExplanation
The correct answer is "Krajnju brzinu datog komunikacionog kanala." This means that the capacity of channel C is defined as the maximum speed at which data can be transmitted through the communication channel.Rate this question:
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- 29.
Ako je entropija izvora manja od kapaciteta kanala:
- A.
Nije moguce dizajnirati komunikacionu semu bez greske
- B.
Moguce je dizajnirati komunikacionu semu koja je asimptotski bez greske prenosa
Correct Answer
B. Moguce je dizajnirati komunikacionu semu koja je asimptotski bez greske prenosaExplanation
If the entropy of the source is less than the channel capacity, it means that the source has less uncertainty or randomness compared to the capacity of the channel to transmit information. In this case, it is possible to design a communication scheme that can asymptotically transmit data without errors. This means that with enough time and resources, the communication scheme can achieve error-free transmission.Rate this question:
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- 30.
Muzika ili govor poseduju kompleksnost ispod koje se signali ovih izvora ne mogu dalje komprimovati bez gubitaka. Ovu kompleksnost je nazvao:
- A.
Redudansa R
- B.
Entropija H
- C.
Informaciona kompleksnost IK
Correct Answer
B. Entropija HExplanation
The correct answer is "Entropija H." The explanation is that the complexity of music or speech signals cannot be further compressed without loss. This complexity is referred to as entropy.Rate this question:
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- 31.
Sa turbo kodovima dobijamo:
- A.
Komunikacije sa maksimalno mogucom brzinom u blizini kapaciteta kanala, sa nultom greskom prenosa
- B.
Komunikaciji sa maksimalno mogucom brzinom-u blizini kapaciteta kanala, sa malom greskom prenosa
Correct Answer
A. Komunikacije sa maksimalno mogucom brzinom u blizini kapaciteta kanala, sa nultom greskom prenosaExplanation
Turbo codes are a type of error correction code that allows for communication at or near the channel capacity with minimal error. This means that with turbo codes, we can achieve communication at the maximum possible speed close to the channel capacity, with zero transmission errors.Rate this question:
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- 32.
Senonova granica predstavlja:
- A.
Komunikacije sa maksimalno mogucom brzinom-u blizini kapaciteta kanala, sa nultom greskom prenosa
- B.
Komunikaciji sa maksimalno mogucom brzinom-u blizini kapaciteta kanala, sa umerenom greskom prenosa
- C.
Nijedan od ponudenih odgovoera
Correct Answer
A. Komunikacije sa maksimalno mogucom brzinom-u blizini kapaciteta kanala, sa nultom greskom prenosaExplanation
The Senonova granica refers to communication at the maximum possible speed, near the channel capacity, with zero transmission errors.Rate this question:
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- 33.
Deskriptivna kompleksnost je jednaka duzini:
- A.
Maksimalnog opisa
- B.
Minimalnog opisa
- C.
Prosecnog opisa
Correct Answer
B. Minimalnog opisaExplanation
The explanation for the correct answer is that descriptive complexity refers to the amount of information needed to describe something. In this case, the question is asking about the length of the description. The correct answer, "Minimalnog opisa" (Minimal description), suggests that the length of the description is minimal, meaning it requires the least amount of information to describe something. This implies that the descriptive complexity is low, as it doesn't require a lengthy or detailed description.Rate this question:
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- 34.
Racunarstvo je limitirano komunikacijom, dok su komunikcije racunarski limitirane.
- A.
Tvrdnja je tacna
- B.
Tvrdnja nije tacna
Correct Answer
A. Tvrdnja je tacnaExplanation
The statement suggests that computer science is limited by communication, while communication is limited by computer science. This implies that computer science relies on effective communication to function properly, while communication is influenced and shaped by advancements in computer science. Therefore, the statement is true as it highlights the interconnectedness between these two fields.Rate this question:
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- 35.
Racunarstvo je limitirano informaciom, dok su informacije racunarski limitirane
- A.
Tvrdnja nije tacna
- B.
Tvrdnja je tacna
Correct Answer
A. Tvrdnja nije tacnaExplanation
The statement "Racunarstvo je limitirano informaciom, dok su informacije racunarski limitirane" translates to "Computer science is limited by information, while information is limited by computers." The correct answer "Tvrdnja nije tacna" means "The statement is not true." Therefore, the explanation is that the statement is false because computer science is not limited by information, and information is not limited by computers.Rate this question:
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- 36.
Kodiranje je proces:
- A.
Slanja sifrovanih poruka kroz kanal
- B.
Dodeljivanja koda poruci pre slanja kroz kanal
- C.
Razmene podataka
Correct Answer
B. Dodeljivanja koda poruci pre slanja kroz kanalExplanation
Kodiranje je proces dodeljivanja koda poruci pre slanja kroz kanal.Rate this question:
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- 37.
Ako je verovatnoca poruke veca:
- A.
Kolicina informacije je manja
- B.
Kolicina informacije je veca
Correct Answer
A. Kolicina informacije je manjaExplanation
When the probability of a message is higher, it means that the message is more likely to occur. In information theory, the amount of information in an event is inversely proportional to its probability. Therefore, if the probability of a message is higher, the amount of information it carries is lower. Hence, the correct answer is that the amount of information is smaller when the probability of a message is higher.Rate this question:
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- 38.
Poruka A ima verovatnocu ?, a poruka B ?
- A.
Kolicina informacije je veca u poruci A
- B.
Kolicina informacije je veca u poruci B
- C.
Kolicine informacije su jednake u obe poruke
Correct Answer
A. Kolicina informacije je veca u poruci AExplanation
The answer is that the quantity of information is greater in message A. This is because the question states that message A has a probability of ?, while message B has a probability of ?. Since the probabilities are not specified, we can assume that the probability of message A is higher than the probability of message B. In general, the higher the probability of an event, the less surprising or informative it is. Therefore, if the probability of message A is higher, it means that message A contains less surprising or expected information compared to message B, making the quantity of information greater in message A.Rate this question:
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- 39.
Mera za kolicinu informacije treba biti takva da monotono pada sa porastom verovatnoce poruke.
- A.
Tvrdnja nije tacna
- B.
Tvrdnja je tacna
Correct Answer
B. Tvrdnja je tacnaExplanation
The statement is saying that the amount of information should decrease as the probability of the message increases. This is true because if a message is very probable, it carries less information since it is expected and not surprising. On the other hand, if a message is unlikely, it carries more information because it is unexpected and surprising. Therefore, the statement is correct.Rate this question:
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- 40.
Mera za kolicinu informacije treba biti takva da monotono raste sa porastom verovatnoce poruke
- A.
Tvrdnja je tacna
- B.
Tvrdnja nije tacna
Correct Answer
B. Tvrdnja nije tacnaExplanation
The statement suggests that the amount of information should increase monotonically with the probability of the message. However, this is not true. In information theory, the amount of information is inversely proportional to the probability of an event. The more probable an event is, the less information it carries. Therefore, the statement is incorrect.Rate this question:
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- 41.
Za optimalno kodovanje poruke:
- A.
Bitno je opisati kolicinu informacije u porukama
- B.
Nije bitno ako je kolicina informacije ispod kapaciteta kanala C
- C.
Nije bitno ako je mali broj poruka
Correct Answer
A. Bitno je opisati kolicinu informacije u porukamaExplanation
In order to achieve optimal coding of a message, it is important to describe the quantity of information in the messages. This means that the coding should accurately represent the information content of the message. It is not relevant whether the quantity of information is below the capacity of the channel or if there are only a few messages. The focus should be on accurately describing the information in the messages.Rate this question:
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- 42.
Ako neko posalje dve poruke:
- A.
Ukupna kolicina informacije je jednaka zbiru pojedinacne kolicine informacije dve poruke
- B.
Ukupna kolicina informacije je jednaka entropiji H
- C.
Ukupna kolicina informacije jednaka je proizvodu pojedinacne kolicine informacije dve poruke
Correct Answer
A. Ukupna kolicina informacije je jednaka zbiru pojedinacne kolicine informacije dve porukeExplanation
The correct answer is "Ukupna kolicina informacije je jednaka zbiru pojedinacne kolicine informacije dve poruke." This statement is based on the principle that the total amount of information is equal to the sum of the individual amounts of information of two messages. In other words, when two messages are sent, the total amount of information transmitted is the sum of the amount of information in each message.Rate this question:
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- 43.
Funkcija koja zadovoljava sve uslove za merenje kolicine informacije je:
- A.
Logaritam
- B.
Algoritam
- C.
Limes
Correct Answer
A. LogaritamExplanation
The correct answer is "Logaritam" because the logarithm is a mathematical function that measures the amount of information in a given context. It is commonly used in information theory to quantify the amount of information contained in a message or data set. The logarithm helps to compress and represent information in a more concise and efficient manner. Additionally, the properties of logarithms, such as the ability to combine and simplify expressions, make it a useful tool for measuring and analyzing information.Rate this question:
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- 44.
Izraz za izracunavanje kolicine informacije je:
- A.
I(x)= -px log2 px
- B.
I(x)= -log2 px
- C.
I(x)= -log2 px-(1-p)
- D.
Nijedan od izraza
Correct Answer
B. I(x)= -log2 pxExplanation
The expression I(x) = -log2 px is the correct formula for calculating the amount of information. It represents the negative logarithm of the probability of event x occurring, multiplied by the logarithm base 2. This formula is derived from Shannon's information theory, where the amount of information is inversely proportional to the probability of an event occurring.Rate this question:
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- 45.
Kada se koristi logaritam sa osnovom dva:
- A.
Kolicina informacije izrazava se u byte
- B.
Kolicina informacije izrazava se u bit
- C.
Nijedan od odgovora
Correct Answer
B. Kolicina informacije izrazava se u bitExplanation
When using a logarithm with base two, the quantity of information is expressed in bits. This is because the binary system, which is based on two digits (0 and 1), is commonly used to represent and store information in computers. In the binary system, each bit represents a single unit of information, making it the appropriate unit of measurement when using a logarithm with base two.Rate this question:
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- 46.
Kada se koristi logaritam sa osnovom tri:
- A.
Kolicina informacije izrazava se u byte
- B.
Kolicina informacije izrazava se u bit
- C.
Nijedan od odgovora
Correct Answer
C. Nijedan od odgovora -
- 47.
Ako izvor generise 4 poruke verovatnoce ?, kolicina informacije po jednoj poruci iznosi:
- A.
4 bit-a
- B.
2 bit-a
- C.
8 bit-a
- D.
1 bit
Correct Answer
B. 2 bit-aExplanation
The correct answer is 2 bit-a. This is because the amount of information in a message is determined by the number of possible outcomes, which is equal to the logarithm base 2 of the number of outcomes. In this case, there are 4 possible outcomes, so the amount of information per message is log2(4) = 2 bit-a.Rate this question:
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- 48.
Ako izvor generise 4 poruke verovatnoce ?, ukupna kolicina informacije iznosi:
- A.
4 bit-a
- B.
8 bit-a
- C.
16 bit-a
- D.
2 bit-a
Correct Answer
B. 8 bit-aExplanation
If a source generates 4 messages with equal probabilities, the total amount of information can be calculated by multiplying the number of messages by the number of bits needed to represent each message. In this case, since there are 4 messages and each message requires 2 bits to represent (log2(4) = 2), the total amount of information is 8 bits.Rate this question:
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- 49.
Entropija izvora predstavlja:
- A.
Prosecnu kolicinu informaciije
- B.
Maksimalnu kolicinu informacije
Correct Answer
A. Prosecnu kolicinu informaciijeExplanation
Entropija izvora predstavlja prosečnu količinu informacije koju izvor generiše. Ova mera se koristi za kvantifikaciju neizvesnosti ili nesigurnosti u informacijama koje izvor proizvodi. Prosečna količina informacije se računa kao suma verovatnoća svih mogućih događaja pomnožena sa negativnim logaritmom te verovatnoće. Što je veća entropija, to je veća nesigurnost ili neizvesnost u informacijama koje izvor generiše.Rate this question:
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- 50.
Ako imamo binarni izvor informacije, onda entropija binarnog izvora zavisi od:
- A.
Verovatnoce poruka
- B.
Brzine izvora (b/s)
- C.
Redudanse
Correct Answer
A. Verovatnoce porukaExplanation
The entropy of a binary source depends on the probabilities of the messages. The more probable a message is, the lower its entropy will be. This is because the entropy measures the average amount of information needed to represent a message from the source, and if a message is highly probable, it requires less information to represent it. Therefore, the probabilities of the messages directly affect the entropy of the binary source.Rate this question:
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Mar 15, 2023Quiz Edited by
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Nov 10, 2013Quiz Created by
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