Basic Information Theory MCQs: Electronics Engineering

Basic Information Theory MCQs. Questions And Answers related to Basic Information Theory MCQs in Electronics Engineering.


Basic Information Theory MCQs



In Minimum Distance Separable (MDS) codes, the minimum distance is one more than the number of ??

a. Information bits
b. Symbol bits
c. Parity check bits
d. None of the above


In RS code, the length is ____ less than a number of symbols in symbol set (q) ??

a. One
b. Two
c. Three
d. Infinite


Decoding of RS code comprises the determination of error ??

A. position
B. magnitude
C. angle
D. frequency

a. A & B
b. C & D
c. A & C
d. B & D


In Frame Check Sequence (FCS), which code is used if character length is 6 bit and generates 12-bit parity check bits ??

a. CRC-12
b. CRC-16
c. CRC-32


Electronics MCQs 



If the errors are corrected at _______ end/s, it is known as ‘Forward Error Correction (FEC) ??

a. Transmitter
b. Receiver
c. Both a and b
d. None of the above


In register contents at decoder, the syndrome register consists of the syndrome after all bits of the received vector are clocked into the decoder ??

a. Input
b. Output
c. Both a and b
d. None of the above


Which among the following error detecting technique is supposed to be parity bit associated with character code ??

a. LRC
b. VRC
c. Both a and b
d. None of the above


Which among the below stated logical circuits are present in the encoder and decoder used for the implementation of cyclic codes ??

A. Shift Registers
B. Modulo-2 Adders
C. Counters
D. Multiplexers

a. A & B
b. C & D
c. A & C
d. B & D


Basic Information Theory MCQs



Consider the assertions related to the decoding process of cyclic code. Which among the following is a correct sequence of steps necessary for the correction of errors ??

A. Syndrome determination after the division of r(x) & g(x)
B. Addition of error pattern to a received codeword
C. Selection of error pattern corresponding to the syndrome
D. Preparation of table comprising error patterns and syndromes

a. A, B, C, D
b. B, A, D, C
c. C, B, D, A
d. D, A, C, B


For the generation of a cyclic code, the generator polynomial should be the factor of ??

a. xn + 1
b. xn – 1
c. xn /2
d. x2n/3


Which buffer size is required by the interleaved codes at the transmitter for the accumulation of λ code words ??

a. Small
b. Medium
c. Large
d. All of the above


On which factor/s do/does the error probability depend/s after decoding ??

a. Number of error vectors
b. Error probability of symbol transmission
c. Both a and b
d. None of the above


Basic Information Theory MCQs



In Repetition Code, how many information bit/s is/are present in addition to n-1 parity bits ??

a. One
b. Two
c. Four
d. Eight


For a (6,4) block code where n = 6, k = 4, and dmin = 3, how many errors can be corrected by this code ??

a. 0
b. 1
c. 2
d. 3


Which amount the following is capable of correcting any combination of three or fewer errors random errors in a block of 23 bits ??

a. Hamming codes
b. Interleaved code
c. Repetition codes
d. Golay code


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