August
1997 QUESTION 1 (Compulsory) Total Marks: 20 Marks |
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| 1. | (a) Express the decimal number -0.187510 in the floating point format M(6) E(4), with both mantissa and exponent in 2's complement. | [4] | |
| (b) Perform the following addition : | |||
| 1000 1001BCD + 0111 11012 | [3] | ||
| Convert the answer into hexadecimal representation. | [1] | ||
| (c) Derive a simplified POS (product of sums) expression from the following K map: | [4] | ||
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| (d) Give the truth table for the block diagram shown below: | [4] | ||
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| (e) Consider the circuit shown below | [4] | ||
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| and complete the waveform for output Q, as input A varies as shown over four clock cycles: | |||
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