| 1. | When an input electrical signal A 101010 is applied to a NOT gate, the output signal will be ? | |
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111010
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101010
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010101
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101011
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Report Question| 2. | The voltage levels of a negative logic system ? | |
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must necessarily be negative
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may be negative or positive
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must necessarily be positive
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must necessarily be 0 V and -5 V
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| 3. | In the negative logic system ? | |
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the more negative of the two logic levels represents a logic '1' state
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the more negative of the two logic levels represents a logic '0' state
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all input and output voltage levels are negative
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the output is always complement of the intended logic function
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| 4. | The output of a 2-input OR gate is zero only when its ? | |
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either input is 0
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either input is 1
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both inputs are 1
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both inputs are 0
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| 5. | A combinational circuit ? | |
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always contains memory elements
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never contains memory elements
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may sometimes contain memory elements
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contain only memory elements
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| 6. | A boolean function can be transformed into logical ________ ? | |
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graph
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map
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diagram
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matrix
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| 7. | OR operation is equivalant to ? | |
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Division
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Union
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Intersection
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Both B and C
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| 8. | The only function of a NOT gate is to ? | |
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invert an input signal
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act as a universal gate
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stop a signal
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none of the above
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| 9. | An AND gate ? | |
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implements logic addition
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gives high output only when all inputs are low
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is equivalent to a series switching circuit
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is equivalent to a parallel switching circuit
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| 10. | The universal gate is ? | |
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NOR
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AND
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OR
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EX-OR
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