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Questions and Answers
Variables A and B are defined as A=(10011101)2 and B=(10110001)2 what is the result of C=A&B?
Variables A and B are defined as A=(10011101)2 and B=(10110001)2 what is the result of C=A&B?
- (10010001)2 (correct)
- (10101101)2
- (11111111)2
- (10000001)2
In the following circuit if A=1, B=1, C=1 and D=1, which LED will be ON?
In the following circuit if A=1, B=1, C=1 and D=1, which LED will be ON?
- L1
- L1 and L2
- L2 (correct)
- None of the LEDs
For the given logic circuit below logic table to be filled. What are the values for output Y
For the given logic circuit below logic table to be filled. What are the values for output Y
- Y=(0,0,1,0)
- Y=(1,0,0,1)
- Y=(0,0,1,1)
- Y=(0,1,1,0) (correct)
A multiplexer (MUX) is a _________ logic circuit with N inputs and one output; the function of the MUX is to select one of the ________ and direct to the _________.
A multiplexer (MUX) is a _________ logic circuit with N inputs and one output; the function of the MUX is to select one of the ________ and direct to the _________.
Variables A and B are defined as A=(00011101)2 and B=(00000100)2 what is the twos compliment for A and B?
Variables A and B are defined as A=(00011101)2 and B=(00000100)2 what is the twos compliment for A and B?
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Study Notes
Binary Operations
- The result of C=A&B is the bitwise AND operation of A and B, which is calculated by performing a binary AND operation on each corresponding bit of A and B.
Digital Logic Circuit
- In the given circuit, if A=1, B=1, C=1, and D=1, the LED that will be ON is determined by the output of the logic gate.
Logic Circuit and Truth Table
- The output Y of the given logic circuit is determined by the inputs to the circuit and the logic gates used.
- The values for output Y can be determined by filling in the truth table for the circuit.
Multiplexer (MUX)
- A multiplexer (MUX) is a combinational logic circuit with N inputs and one output.
- The function of the MUX is to select one of the N inputs and direct it to the output.
Binary Representation and Two's Complement
- The two's complement of a binary number A is calculated by inverting the bits of A and then adding 1 to the result.
- The two's complement of A=(00011101)2 is calculated by inverting the bits of A to get (11100010)2, then adding 1 to get (11100011)2.
- The two's complement of B=(00000100)2 is calculated by inverting the bits of B to get (11111011)2, then adding 1 to get (11111100)2.
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