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Questions tagged [shift-register]

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How to create a register from DFF bit components?

I am a new student at computer architectures and my current task is to create a register of 4 bits. We were a working DFF and my bit component seems to work. My DFF: My bit: I tried to create the ...
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110 views

What is the purpose of a single input, single output, bidirectional shift register?

(source: edu.au) This is the sort of bidirectional shift register, I'm talking about. I understand why the normal right shift is useful, but when you shift it left, all you're really doing is sending ...
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54 views

For what $N$ does $2^N$ overflow?

Consider the following computation: 2^N (TWO TO THE POWER OF ‘N’, for Int. N>0), being executed on a processor with 32 bit internal, user and ALU registers. The registers rightmost bit is bit 0 and ...
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51 views

Register Transfer Activity

In a simple architecture(not considering parallel architecture) how exactly this can be performed in a single clock cycle: P:R1 <- R2, R2 <-R1 where R1 and R2 are registers and P is a control ...
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445 views

LFSR sequence computation

I need to calculate the output of the sequence generated by this shift register but I cannot find anywhere how to do it. Everywhere the results are just given but there is no explanation how to do ...
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2k views

Choosing taps for Linear Feedback Shift Register

I am confused about how taps are chosen for Linear Feedback Shift Registers. I have a diagram which shows a LFSR with connection polynomial $C(X) = X^5 + X^2 + 1$. The five stages are labelled: $R4, ...