# CSE 1520 - • C =(A B •(A C a Commutative b Associative...

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Part A – Multiple Choice [15 points] Indicate the best choice for each of the following questions. 1) A gate accepts at least two input signals and produces one output signal. a) TRUE b) FALSE 2) A circuit is a combination of gates designed to accomplish an array of different logical functions. a) TRUE b) FALSE 3) Which gate produces a 0 only if all its inputs are 0? a) AND b) NAND c) XOR d) OR e) NOR f) NOT 4) Which gate produces a 1 only if all its inputs are 0? a) AND b) NAND c) XOR d) OR e) NOR f) NOT 5) The following logic diagram represents which gate? a) AND b) NAND c) XOR d) OR e) NOR f) NOT 6) The following logic diagram represents which gate? a) AND b) NAND c) XOR d) OR e) NOR f) NOT 7) Of which of the following properties is the following statement an example? A (B C) = (A B) C a) Commutative b) Associative c) Distributive d) Identity e) Compliment f) DeMorgan's Law 8) Of which of the following properties is the following statement an example? A + (B

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Unformatted text preview: • C) = (A + B) • (A + C) a) Commutative b) Associative c) Distributive d) Identity e) Compliment f) DeMorgan's Law 9) In a(n) _______________ circuit, the output is a function of the input values as well as the existing state of the circuit. a) combinational b) electrical c) hardware d) logic e) sequential A1 Part A – Multiple Choice [15 points] Indicate the best choice for each of the following questions. From the list below, choose the Boolean expression that describes each of the following truth tables. 1) X = A' 2) X = B’ 3) X = A • B 4) X = (A • B)' 5) X = A + B 6) X = (A + B)' 7) X = A ⊕ B 8) X = (A ⊕ B)' 1) ___ 4 2) ___ 8 3) ___ 5 4) ___ 3 5) ___ 6 6) ___ 7 A1 A B X 1 1 1 1 1 1 1 A B X 1 1 1 1 1 1 A B X 1 1 1 1 1 1 1 A B X 1 1 1 1 1 A B X 1 1 1 1 1 A B X 1 1 1 1 1 1...
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## This note was uploaded on 12/16/2010 for the course CSE CSE 1520 taught by Professor Paul during the Spring '09 term at York University.

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CSE 1520 - • C =(A B •(A C a Commutative b Associative...

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