Q.1
Which needs re-sending of signal?
  • a) Error correction
  • b) Error detection
  • c) Error correction & detection
  • d) None of the mentioned
Q.2
Which needs more check bits?
  • a) Error correction
  • b) Error detection
  • c) Error correction & detection
  • d) None of the mentioned
Q.3
Which gets less affected by noise?
  • a) Error correction
  • b) Error detection
  • c) Error correction & detection
  • d) None of the mentioned
Q.4
Which is used to protect privacy of the information?
  • a) Compression coding
  • b) Source coding
  • c) Cipher coding
  • d) None of the mentioned
Q.5
Digital signals are easy for
  • a) Storage
  • b) Handling
  • c) Time dilation
  • d) All of the mentioned
Q.6
Which are forward error correcting codes?
  • a) Block codes
  • b) Convolutional codes
  • c) Block & Convolutional codes
  • d) None of the mentioned
Q.7
Which operates on continuous stream of data?
  • a) Block codes
  • b) Convolutional codes
  • c) Block & Convolutional codes
  • d) None of the mentioned
Q.8
Which is more complex?
  • a) Encoding
  • b) Decoding
  • c) Encoding & Decoding
  • d) None of the mentioned
Q.9
Which has better minimum distance?
  • a) Check sum
  • b) Cyclic redundancy check
  • c) Check sum & Cyclic redundancy check
  • d) None of the mentioned
Q.10
In symmetric key cryptosystem, who knows the key?
  • a) Sender
  • b) Receiver
  • c) Sender & Receiver
  • d) None of the mentioned
0 h : 0 m : 1 s