| 1. | Match the following IC families with their basic circuits : a. TTL 1. NAND b. ECL 2. NOR c. CMOS 3. Inverter Code : a b c |
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Answer: (a).1 2 3
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| 2. | What is the result of the following expression (1 & 2) + (3 & 4) |
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Answer: (d).0
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| 3. | Match the following : a. TTL 1. High fan out b. ECL 2. Low propagation delay c. CMOS 3. High power dissipation Code : a b c |
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Answer: (a).3 2 1
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| 4. | Identify the operation which is commutative but not associative ? |
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Answer: (b).NOR
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| 5. | Extremely low power dissipation and low cost per gate can be achieved in: |
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Answer: (b).CMOS ICs
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| 6. | An example of a universal building block is |
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Answer: (d).NOR gate
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| 7. | The dual of a Boolean expression is obtained by interchanging |
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Answer: (c).Boolean sums and Boolean products and interchanging 0's & 1's
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| 8. | Given that (292)10 = (1204)x in some number system x. The base x of that number system is |
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Answer: (d).None of the above
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| 9. | The sum of products, expansion for the function F(x, y, z) = (x, + y) z' is given as |
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Answer: (d).x y z ' + x Y ' z ' + x ' y z '
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| 10. | The BCD adder to add two decimal digits needs minimum of |
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Answer: (d).5 full adders and 2 half adders
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