226. What do the mathematical symbols A < b and A > B mean?
(a) A < B means A is greater than B. A > B means A is less than B.
(b) A > B means A is less than B. A < B means A is greater than B.
(c)
(d)
227. For the following conditions on a 7485 magnitude comparator, what will be the state of each of the three outputs? A0 = 0B0 = 1IA < B = 0 A1 = 1B1 = 0IA = B = 1 A2 = 1B2 = 0IA > B = 0 A3 = 0B3 = 0
(a) A = B = 0, A < B = 0, A > B = 1
(b) A = B = 0, A < B = 1, A > B = 0
(c) A = B = 1, A < B = 0, A > B = 0
(d) A = B = 0, A < B = 0, A > B = 0
228. The expansion inputs to a comparator are used for expansion to a(n):
(a) 4-bit system
(b) 8-bit system
(c) BCD system
(d) counter system
229. How many exclusive-NOR gates would be required for an 8-bit comparator circuit?
(a) 4
(b) 6
(c) 8
(d) 10
230. How many inputs will a decimal-to-BCD encoder have?
(a) 4
(b) 8
(c) 10
(d) 16
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