46. What are the symbols used to represent digits in the binary number system?
(a) 0,1
(b) 0,1,2
(c) 0 through 8
(d) 1,2
47. How many unique symbols are used in the decimal number system?
(a) One
(b) Nine
(c) Ten
(d) Unlimited
48. What is the decimal value of 2–1 ?
(a) 0.5
(b) 0.25
(c) 0.05
(d) 0.1
49. Which format can send several bits of information faster?
(a) Parallel
(b) Serial
(c) Both are the same
(d) Cannot tell
50. What is one relative disadvantage of serial transfer?
(a) It requires too many conductors.
(b) Its interconnect system is complex.
(c) It is slow.
(d) It can only be used over very short distances.
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