(a) draw the schematic which uses 4 instances of the entity nha to output the 2’s complement s[3:0] of the 4-bit input y[3:0]. both y and s are std logic vector(3 downto 0). keep it simple—draw instances of nha as a box labelled nha.

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Arrays of std logic variables and signals are represented by the std logic vector type. These types define the fundamental VHDL logic operations: and, and, or, nor, xor, and xnor. These operate on each place and return another array; they require two identically sized arrays.

What is schematic diagram?

  • Schematic refers to a model, plan, or outline. A concise, understandable graphical representation of a plan or model is what a schematic diagram is.
  • Simple lines and symbols are used in schematics to convey details like what, how, and where. They are schematic, graphical, and wiring diagrams.
  • A schematic diagram is a basic, two-dimensional representation of a circuit that demonstrates the operation and connectivity of various electrical components.
  • The schematic symbols used to represent the components on a schematic diagram must be familiar to a PCB designer.
  • Schematic diagrams display control elements in the order of their electrical connections, regardless of their physical placement.

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