give all the possible answers( circle all possible answers)

17. Which of the following have undefined states for certain inputs? a) SR Latch b) D Latch c) JK Flip Flop d) SR Master-Slave Flip Flop e) T Flip Flop 18. Which of the following are components of a ROM unit? a) Input b) Output c) Select bit d) clock e) read/write bit 19. Which of the following are true for Flip-Flops? a) New states dependent on ALL previous states b) New state dependent only orn previous state c)They are synchronous d) built from latches e) They can be used to construct a RAM Cell 20. You are asked to build a circuit for the following equation A + BC BDE. For which of the following options are you given sufficient components to construct this circuit (assume AND, OR take 2 inputs, NOT takes 1 input)? a) 4 AND gates, 2 OR gates b) 10 AND gates, 10 NOT gates c) 100 AND gates d) 2 AND gates, 2 OR gates e) 1 AND gate, 4 OR gates 21. In Logisim you can create /perform which of the following? a) Circuit Simulation b) Combinational Analysis c) A calculator d) virtual ROM module e) A clock