cs302 Digital Logic Design solve mid term papers april 20111

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[size=14]full bundle of papers in attachment [/SIZE]


Question No: 7 ( Marks: 1 ) - Please choose one
The binary numbers A = 1100 and B = 1001 are applied to the inputs of a comparator. What are the output levels?


► A > B = 1, A < B = 0, A < B = 1
► A > B = 0, A < B = 1, A = B = 0
► A > B = 1, A < B = 0, A = B = 0
► A > B = 0, A < B = 1, A = B = 1

Question No: 8 ( Marks: 1 ) - Please choose one
A particular Full Adder has
► 3 inputs and 2 output
► 3 inputs and 3 output
► 2 inputs and 3 output
► 2 inputs and 2 output

Question No: 9 ( Marks: 1 ) - Please choose one
The function to be performed by the processor is selected by set of inputs known as ________

► Function Select Inputs
► MicroOperation selectors
► OPCODE Selectors
► None of given option

Question No: 10 ( Marks: 1 ) - Please choose one
For a 3-to-8 decoder how many 2-to-4 decoders will be required?


► 2
► 1
► 3

► 4

Question No: 11 ( Marks: 1 ) - Please choose one
GAL is an acronym for ________.


► Giant Array Logic
► General Array Logic
► Generic Array Logic
► Generic Analysis Logic

Question No: 12 ( Marks: 1 ) - Please choose one
The Quad Multiplexer has _____ outputs

► 4
► 8
► 12
► 16

Question No: 13 ( Marks: 1 ) - Please choose one
A.(B.C) = (A.B).C is an expression of __________

► Demorgan’s Law
► Distributive Law
► Commutative Law
► Associative Law

Question No: 14 ( Marks: 1 ) - Please choose one
2's complement of any binary number can be calculated by
► adding 1's complement twice
► adding 1 to 1's complement
► subtracting 1 from 1's complement.
► calculating 1's complement and inverting Most significant bit