MCQ Bank
Two Dimensional parity check organizes the block of bits in the form of_____.
- A) Byte
- B) List
- C) Table
- D) Row
Forward error correction is the process in which the receiver tries to guess the message by using _____________.
- A) Corrupted bits
- B) Error Codes
- C) Redundant bits
- D) Table segments
In context of CRC with Polynomials, the power of each term shows the _______of the bit.
- A) Size
- B) Position
- C) Value
- D) Coefficient
Orthogonal codes are spreading sequence type used in ______________ technique.
- A) CDMA
- B) TDMA
- C) FDMA
- D) TMPT
In context of CRC, the _______ is based on modulo-2 Arithmetic.
- A) Multiplication
- B) Addition
- C) Division
- D) Subtraction
LFSRs are easy to implement in ______________.
- A) Register
- B) Software
- C) Gates
- D) Hardware
In error correction the receiver needs to find (or guess) the original ______ sent.
- A) Error code
- B) Codeword
- C) Table code
- D) Burst code
The attenuation, distortion and ______________ make the signal weak.
- A) Noise
- B) PSK
- C) FSK
- D) CRC
_______________ is the simplest and the most popular error detection scheme.
- A) FSK
- B) Hamming Distance
- C) Parity check
- D) Burst
The Hamming distance can easily be found if we apply the ___________ on the two words and count the number of 1s in the result.
- A) XOR operation
- B) OR operation
- C) XNOR operation
- D) AND operation
___________ is very common in serial transmission.
- A) Polynomial
- B) Single bit error
- C) Burst error
- D) CRC
Parity check is error ________________technique.
- A) Detection
- B) Removing
- C) Reduction
- D) Correction
In orthogonal codes all pairwise cross relations is/are _______________.
- A) Numbers
- B) Bit
- C) Zero
- D) One
In context of Checksum, the sum is _______ to get the checksum.
- A) Added
- B) Complemented
- C) Removed
- D) Segmented
CRC can detect all burst errors of less than the degree of_____________.
- A) Polynomials
- B) Coefficients
- C) Reminders
- D) Divisors
A __________error means that 2 or more bits in the data unit have changed.
- A) Burst
- B) CRC
- C) Polynomial
- D) Single bit
Codes have well defined cross correlation properties in _______________sequences.
- A) Orthogonal
- B) N
- C) Gold
- D) M
Gold sequences are constructed by the _____ of two m-sequences with the same clocking.
- A) X-NOR
- B) XOR
- C) OR
- D) NOR
In linear feedback shift register, ________________ line indicates the value currently stored.
- A) Forward
- B) Input
- C) Output
- D) Reverse
In Checksum the segments are _______ using one complement arithmetic to get the sum.
- A) Subtracted
- B) Multiplied
- C) Divided
- D) Added