теория инф.

______ indicate(s) anerrorin a receivedcombination.

• A) Paritybits

• B) Errorsyndrome

• C) Data bits

• D) Noneofthegiven

... is a measureofuncertainty

• A) Encoding

• B) Entropy

• C) Information

• D) Redundancy

A code has two allow able combinations 101 and 010. What is the allow able combination for the error combination 001?

• 101

• 010

• 001

• none

A code has two allow able combinations 101 and 010. What is the allow able combination for the error combination 000?

• 101

• 010

• 100

• none

A code has two allow able combinations 101 and 010. What is the allow able combination for the error combination 000?

• 010

• 101

• 000

• none

A code has two allow able combinations 101 and 010. What is the allow able combination for the error combination 111 ?

• 101

• 010

• 111

• none

A code has two allow able combinations 101 and 010. What is the allow able combination for the error combination 011?

• 010

• 101

• 011

• none

A code has two allow able combinations 101 and 010. What is the allow able combination for the error combination 110?

• 010

• 101

• 110

• none

A code word of the Hamming code consists of ________ and ________ bits.

• A) data; parity

• B) with errors; with out errors

• C) allow able; not allow able

• D) none of the given

A Huffman code is a = 1, b = 000, c = 001, d = 01. Probabilities are p(a) = 0.4, p(b) = 0.1, p(c) = 0.2, p(d) = 0.3. The average length of code words q is

• A) 2.1 bit

• B) 1.9 bit

• C) 2.0 bit

• D) 8.0 bit