Archive for Exam 2001 FE (AM)-Thai

Question 3

What is the fewest number of binary digits that are needed in order to represent all possible natural numbers which have five digits when represented as octal numbers?
a) 5
b) 10
c) 15
d) 20

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Question 2

Which of the following is equal to the hexadecimal value 2A.4C?

a)25+23+21+2–2+2–5+2–6
b)25+23+21+2–1+2–4+2–5
c)26+24+22+2–2+2–5+2–6
d)26+24+22+2–1+2–4+2–5

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Question 1

What is the decimal value of the Binary Coded Decimal (BCD) value 100100010101?
a) –277
b) 915
c) 2325
d) 4425

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