Question 1

The sequences produced by shift register depends on

Accepted Answer

A) number of stages 
B) feedback tap connections 
C) initial conditions 
D) all of the mentioned

Question 2

Which jamming method produces greater degradation?

Accepted Answer

A) broadband jamming 
B) partial jamming 
C) broadband & partial jamming 
D) none of the mentioned

Question 3

For any cyclic shift, the auto-correlation function is equal to

Accepted Answer

A) 1/p 
B) -1/p 
C) -p 
D) p

Question 4

Which decoding method involves the evaluation by means of Fano's algorithm?

Accepted Answer

A) maximum likelihood decoding 
B) sequential decoding 
C) maximum a priori 
D) minimum mean square

Question 5

Which of the following is not an error correction and detection code?

Accepted Answer

A) block code 
B) convolutional codes 
C) passive codes 
D) turbo codes

Exam 9: Algorithms and Techniques for Communication System Security and Error Correction

The sequences produced by shift register depends on