Which are uniquely decodable codes?
1.Fixed length codes
2.Variable length codes
3.Fixed & Variable length codes
4. None of the mentioned
Posted Date:-2022-05-25 03:12:58
A code is a mapping from
1.Binary sequence to dicrete set of symbols
2.Discrete set of symbols to binary sequence
3.All of the mentioned
4.None of the mentioned
Posted Date:-2022-05-25 03:12:28
A rate distortion function is a
1.Concave function
2.Convex function
3.Increasing function
4.None of the mentioned
Posted Date:-2022-05-25 03:13:28
ASCII code is a
1.Fixed length code
2.Variable length code
3.Fixed & Variable length code
4.None of the mentioned
Posted Date:-2022-05-25 03:09:36
Binary Huffman coding is a
1.Prefix condition code
2.Suffix condition code
3.Prefix & Suffix condition code
4.None of the mentioned
Posted Date:-2022-05-25 03:22:25
Coded system are inherently capable of better transmission efficiency than the uncoded system.
1.True
2.False
Posted Date:-2022-05-25 03:27:02
CRC uses
1.Multiplication
2.Binary division
3.Multiplication & Binary division
4.None of the mentioned
Posted Date:-2022-05-25 03:02:14
Digital signals are easy for
1.Storage
2.Handling
3.Time dilation
4.All of the mentioned
Posted Date:-2022-05-25 03:05:00
Entropy of a random variable is
1.0
2.1
3.Infinite
4.Cannot be determined
Posted Date:-2022-05-25 03:25:30
Error is equal to
1.Distance between the data points
2.Square of the distance between the data points
3.Half the distance between the data points
4.None of the mentioned
Posted Date:-2022-05-25 03:17:05
Gaussian process is a _____ interpolation process.
1.Linear
2.Non linear
3.Not an interpolation process
4.None of the mentioned
Posted Date:-2022-05-25 03:18:35
How error detection and correction is done?
1.By passing it through equalizer
2.By passing it through filter
3.By amplifying it
4.By adding redundancy bits
Posted Date:-2022-05-25 03:00:59
In digital image coding which image must be smaller in size?
1.Input image
2.Output image
3.Input & Output image
4.None of the mentioned
Posted Date:-2022-05-25 03:10:51
In symmetric key cryptosystem, who knows the key?
1.Sender
2.Receiver
3.Sender & Receiver
4.None of the mentioned
Posted Date:-2022-05-25 03:07:41
In synchronous transmission, receiver must stay synchronous for
1.4 bits
2.8 bits
3.9 bits
4.16 bits
Posted Date:-2022-05-25 03:00:25
Interpolation is a method of
1.Interrelating
2.Estimating
3.Integrating
4.Combining
Posted Date:-2022-05-25 03:19:41
Interpolation is done by
1.Curve fitting
2.Regression analysis
3.Curve fitting & Regression analysis
4.None of the mentioned
Posted Date:-2022-05-25 03:14:41
Interpolation means
1.Adding new data points
2.Only aligning old data points
3.Only removing old data points
4.None of the mentioned
Posted Date:-2022-05-25 03:19:12
Interpolation methods are
1.Linear interpolation
2.Piecewise constant interpolation
3.Polynomial interpolation
4.All of the mentioned
Posted Date:-2022-05-25 03:15:58
Interpolation provides a mean for estimating functions
1.At the beginning points
2.At the ending points
3.At the intermediate points
4.None of the mentioned
Posted Date:-2022-05-25 03:15:23
Lempel-Ziv algorithm is
1.Variable to fixed length algorithm
2.Fixed to variable length algorithm
3.Fixed to fixed length algorithm
4.Variable to variable length algorithm
Posted Date:-2022-05-25 03:26:40
Linear interpolation is
1.Easy
2. Precise
3.Easy & Precise
4.None of the mentioned
Posted Date:-2022-05-25 03:16:31
Mutual information should be
1.Positive
2.Negative
3.Positive & Negative
4.None of the mentioned
Posted Date:-2022-05-25 03:09:00
Self information should be
1.Positive
2.Negative
3.Positive & Negative
4.None of the mentioned
Posted Date:-2022-05-25 03:20:54
The event with minimum probability has least number of bits.
1.True
2.False
Posted Date:-2022-05-25 03:22:55
The method of converting a word to stream of bits is called as
1.Binary coding
2.Source coding
3.Bit coding
4.Cipher coding
Posted Date:-2022-05-25 03:23:26
The self information of random variable is
1.0
2.1
3.Infinite
4.Cannot be determined
Posted Date:-2022-05-25 03:24:53
The unit of average mutual information is
1.Bits
2.Bytes
3.Bits per symbol
4.Bytes per symbol
Posted Date:-2022-05-25 03:21:21
When probability of error during transmission is 0.5, it indicates that
1.Channel is very noisy
2.No information is received
3.Channel is very noisy & No information is received
4.None of the mentioned
Posted Date:-2022-05-25 03:21:53
When the base of the logarithm is 2, then the unit of measure of information is
1.Bits
2.Bytes
3.Nats
4.None of the mentioned
Posted Date:-2022-05-25 03:23:54
When X and Y are statistically independent, then I (x,y) is
1.1
2.0
3.Ln 2
4.Cannot be determined
Posted Date:-2022-05-25 03:24:25
Which achieves greater compression?
1.Lossless coding
2.Lossy coding
3.Lossless & Lossy coding
4.None of the mentioned
Posted Date:-2022-05-25 03:11:53
Which are forward error correcting codes?
1.Block codes
2.Convolutional codes
3.Block & Convolutional codes
4.None of the mentioned
Posted Date:-2022-05-25 03:05:30
Which can detect two bit errors?
1.Parity check
2.Cyclic redundancy check
3.Parity & Cyclic redundancy check
4.None of the mentioned
Posted Date:-2022-05-25 03:01:43
Which coding method uses entropy coding?
1.Lossless coding
2.Lossy coding
3. Lossless & Lossy coding
4.None of the mentioned
Posted Date:-2022-05-25 03:11:22
Which gets less affected by noise?
1.Error correction
2.Error detection
3.Error correction & detection
4.None of the mentioned
Posted Date:-2022-05-25 03:04:04
Which has better minimum distance?
1.Check sum
2.Cyclic redundancy check
3.Check sum & Cyclic redundancy check
4.None of the mentioned
Posted Date:-2022-05-25 03:07:09
Which has comparatively high frequency component?
1.Sine wave
2.Cosine wave
3. Square wave
4.None of the mentioned
Posted Date:-2022-05-25 02:57:56
Which has continuous transmission?
1.Asynchronous
2.Synchronous
3. Asynchronous & Synchronous
4.None of the mentioned
Posted Date:-2022-05-25 02:58:54
Which is more complex?
1.Encoding
2.Decoding
3.Encoding & Decoding
4.None of the mentioned
Posted Date:-2022-05-25 03:06:34
Which is more efficient method?
1.Encoding each symbol of a block
2.Encoding block of symbols
3.Encoding each symbol of a block & Encoding block of symbols
4.None of the mentioned
Posted Date:-2022-05-25 03:26:07
Which is more expensive?
1.Polynomial interpolation
2.Linear interpolation
3.Polynomial & Linear interpolation
4.None of the mentioned
Posted Date:-2022-05-25 03:18:03
Which is used to protect privacy of the information?
1.Compression coding
2.Source coding
3.Cipher coding
4.None of the mentioned
Posted Date:-2022-05-25 03:04:32
Which needs more check bits?
1.Error correction
2.Error detection
3.Error correction & detection
4. None of the mentioned
Posted Date:-2022-05-25 03:03:33
Which needs re-sending of signal?
1.Error correction
2.Error detection
3.Error correction & detection
4.None of the mentioned
Posted Date:-2022-05-25 03:03:01
Which operates on continuous stream of data?
1.Block codes
2. Convolutional codes
3.Block & Convolutional codes
4.None of the mentioned
Posted Date:-2022-05-25 03:06:05
Which produces smoother interpolants?
1.Polynomial interpolation
2.Spline interpolation
3.Polynomial & Spline interpolation
4.None of the mentioned
Posted Date:-2022-05-25 03:17:33
Which reduces the size of the data?
1.Source coding
2.Channel coding
3.Source & Channel coding
4.None of the mentioned
Posted Date:-2022-05-25 03:10:18
Which requires bit transitions?
1.Asynchronous
2.Synchronous
3.Asynchronous & Synchronous
4.None of the mentioned
Posted Date:-2022-05-25 02:59:54
While recovering signal, which gets attenuated more?
1.Low frequency component
2.High frequency component
3.Low & High frequency component
4.None of the mentioned
Posted Date:-2022-05-25 03:08:30