Digital Logic Design Questions & Answers

Digital Logic Design Questions & Answers "6004" is: - CORRECT ANSWER- the course at MIT that ELEN3431 is modeled after. A 256k-word memory uses 16-bit words. How many parallel data lines are required to pass the data to the CPU for processing? Do no count clock, sync, or other protocol lines. - CORRECT ANSWER- 16 A combinational circuit is a zeroth-stage pipeline. - CORRECT ANSWER- True a combinational device is a circuit element that has: - CORRECT ANSWER- 1. One or more digital outputs 2. One or more digital inputs 3. A functional specification A disadvantage of a programmable control system is that we cannot reconfigure it to compute new functions. - CORRECT ANSWER- False A Don't Care is just a ________ and _______ that the _______ does not depend on. - CORRECT ANSWER- truth table, input, output A finite state machine cannot be thought of as programmable because it has a finite number of states. - CORRECT ANSWER- False A finite state machine has... - CORRECT ANSWER- ...STATES, INPUTS, OUTPUTS, Transition Rules and Output Rules. A FSM can add or subtract two arbitrarily large binary numbers. - CORRECT ANSWER- True A K-Stage pipeline is a cyclic circuit having exactly K registers on every path from an input to an output. - CORRECT ANSWER- False A lenient combinational device... - CORRECT ANSWER- ...is where the output is guaranteed to be valid when any combination of inputs sufficient to determine the output value has been valid for at least Tpd. A lenient device... - CORRECT ANSWER- ...tolerates transitions and invalid levels on irrelevant inputs. A MUX can be used to implement an arbitrary Boolean function. - CORRECT ANSWER- True A mux can be used to make a latch, which is a... - CORRECT ANSWER- ...settable storage element. A read-only memory can be used to create a finite state machine along with a register. - CORRECT ANSWER- True A recursive procedure is one that calls itself. - CORRECT ANSWER- True