Academics – Mathematics : 2017/JUL/09
Question
Q9. (a) The dimensions, in binary form. Of a cubical are shown in Fig Q9(a). Working in binary form, without using calculator, determine EACH of the following for the cuboid:
(i) its volume; (3)
(ii) a quarter of its volume. (3)
(b) The logic circuit shown in Fig Q9(b) has three inputs A, B and C and one output X.
Determine EACH of the following for this circuit:
(i) the truth table; (4)
(ii) a Boolean expression; (2)
(iii) an equivalent circuit drawn using only two gates. (4)
Asked in Year/Month/Ques No.
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