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a flying saucer crashes in a nebraska cornfield the fbi investigates the wreckage and finds an engineering manual
in a biased n-bit binary number system with bias b positive and negative numbers are represented as their value plus
resistor-transistor logic rtl uses nmos transistors to pull the gate output low and a weak resistor to pull the output
the professor the teaching assistant the digital design student and the freshman track star need to cross a rickety
does your circuit from exercise 229 have any potential glitches when one of the inputs changes if not explain why not
1 give an example of a truth table requiring between 3 billion and 5 billion rows that can be constructed using fewer
sketch a schematic for a fast 38 decoder suppose gate delays are given in table 28 and only the gates in that table are
redesign the circuit from exercise 235 to be as fast as possible use only the gates from table 28 sketch the new
is the circuit in figure 366 combinational logic or sequential logic explain in a simple fashion what the relationship
the toggle t flip-flop has one input clk and one output q on each rising edge of clk q toggles to the complement of its
extend your modulo 8 gray code counter from exercise 327 to be an updown counter by adding an up input if up 1 the
your company detect-o-rama would like to design an fsm that takes two inputs a and b and generates one output z the
alyssa p hackers snail from section 343 has a daughter with a mealy machine fsm brain the daughter snail smiles
accidents are still occurring at the intersection of academic avenue and bravado boulevard the football team is rushing
ben bitdiddle has designed the circuit in figure 374 to compute a registered four-input xor function each two-input xor
1 design an asynchronously resettable d latch using logic gates2 design an asynchronously resettable d flip-flop using
describe in words what the state machine in figure 369 does using binary state encodings complete a state transition
1 you are designing an elevator controller for a building with 25 floors the controller has two inputs up and down it
design an fsm with one input a and two outputs x and y x should be 1 if a has been 1 for at least three cycles
1 what is the difference between a latch and a flip-flop under what circumstances is each one preferable2 design a
1write an hdl module called minority it receives three inputs a b and c it produces one output y that is true if at
1 section 454 pointed out that a synchronizer could be correctly described with blocking assignments if the assignments
1 sketch a schematic of the circuit described by the following hdl code simplify the schematic so that it shows a
a field programmable gate array fpga uses configurable logic blocks clbs rather than logic gates to implement
write an hdl module for the latch from figure 318 use one assignment statement for each gate specify delays of 1 unit