DIPLOMA IN INFORMATION AND COMMUNICATIONS TECHNOLOGY
MAT 1113: DISCRETE MATHEMATICS
ASSIGNMENT 1: MAY 2009 SESSION
Answer ALL Questions.
1. Rewrite each of the terms of the expression
A12.BC16 + 257.328 – 123.062510
in binary and simplify the expression. Convert your final answer to octal.
(6 marks)
2. Rewrite each of the terms of the expression
111001100101.011012 – 5A8.E616 + 978.0625 – 5567.1148
into binary and simplify the expression. Hence, convert your final answer into
(6 marks)
(i) octal,
(2 marks)
(ii) hexadecimal,
(2 marks)
(iii) decimal.
(2 marks)
3. Convert the following into the required base value.
(i) AF.23B16 into binary.
(1 mark)
(ii) 1011.1001112 into octal.
(2 marks)
4. Perform the following arithmetic in binary and give your final answer in hexadecimal.
9D4.1AB16 – 65.625 + 731.648 – 11001011.110012
(7 marks)
5. Rewrite each of the terms of the expression
250.625 – 65.1018 + 11100110.01112 – 5B.D16
into binary and simplify the expression. Present the final answer in hexadecimal.
(7 marks)
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