Questions

1. What are the advantages of an I2C bus?

   a) We can move large amounts of data quickly.

   b) We only need two wires to communicate.

   c) Multiple devices can be connected using only two wires.

   d) All of the above.

   e) Only (b) and (c).

2. What would be the preferred order of preference when you require a memory?

   a) Use the IP catalog, infer, use xpm_memory

   b) Use xpm_memory, use the IP catalog, infer

   c) Infer, use xpm_memory, use the IP catalog

   d) Use the IP catalog, use xpm_memory, infer

3. assign data = (data_en) ? 'z : '0;

   a) Infers a multiplier

   b) Infers a register

   c) Infers a tristate IO

4. Gray coding is used in FIFOs.

   a) Always

   b) To pass counter information across clock domains in an asynchronous FIFO

   c) Only in synchronous FIFOs

The following code creates what kind of memory?

always @(posedge clk) begin
  if (wren) store[addr] <= din;
  dout <= store[addr];
end

a) Simple dual port

b) True dual port

c) Single port

d) ROM

...