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LFSR - VLSI MCQs

LFSR MCQ : Here you will find MCQ Questions related to "LFSR" in VLSI. These LFSR MCQ Questions Will help you to improve your VLSI knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.




Question 1

Which of the following is a shift register whose input bit is a linear function of its previous state?

A. LFTS
B. LFSR
C. LFAS
D. LFUS

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Question 2

The most commonly used linear function of single bits is ?

A. XOR
B. AND
C. OR
D. XNOR

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Question 3

The initial value of the LFSR is called the ?

A. Leaf
B. Node
C. Seed
D. All of the above

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Question 4

LFSRs include generating?

A. pseudo-random numbers
B. pseudo-noise sequences
C. fast digital counters
D. All of the above

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Question 5

The bits in the LFSR state that influence the input are called ?

A. leaf
B. node
C. taps
D. cycle

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Question 6

This LFSR configuration is also known as?

A. standard
B. many-to-one
C. external XOR gates
D. All of the above

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Question 7

Which uses the highest operating frequency?

A. internal feedback LFSR
B. external feedback LFSR
C. Both A and B
D. counters

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Question 8

For n-bit LFSR, the longest possible sequence is given by

A. 2^n
B. 2^n - 0
C. 2^n + 1
D. 1/2^n

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Question 9

The minimum number of EX-OR gates used is in between

A. 0 to 2
B. 1 to 3
C. 2 to 5
D. 3 to 7

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Question 10

The LFSR takes reasonable time if the n value is

A. below 50
B. below 100
C. below 75
D. below 25

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