I am having trouble answering these TWO electrical engineering problems. 1. The

Question

I am having trouble answering these TWO electrical engineering problems.

1. The function table of a register with two-bit control S1S0 is given below. The input to the i-th bit of the register is Bi, and the output of the i-th bit of the register is Ai. Assume this is a 4-bit register, and the input is B3B2B1B0=0110. You need to find the values of A3A2A1A0, after the following sequence of values on (S1,S0) at successive positive clock edges? (Bit-wise OR means that each bit does an "OR" operation. i.e. Ai(t)=0011, Bi(t)=1000, then Ai(t+1) = 1011)

Explanation / Answer

2. for 8 bit shift register if sh=1 then the data will shift from one flip flop to other,

since in above case i7i6i5i4i3i2i1i0=11010010 with sh=1 then, 11010010 the correct option is B.

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