# ex1 - Department of Computer Science and Engineering, CUHK...

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Department of Computer Science and Engineering, CUHK ERG2020A (Fall 2007): Revision Exercise # 1 Posted: 4th Oct, 2007 1. Convert the following decimal numbers to binary: 1776, 1812, 1969, and 2000. Please show your steps. 2. Convert the following numbers from the given base to the other three bases listed in the table: (correct to 3 decimal places) Decimal Binary Octal Hexadecimal 289.42 ? ? ? ? 1000101.101 ? ? ? ? 235.6 ? ? ? ? E5A8.B 3. Convert the following decimal numbers to the indicated bases using the methods of Lecture Note 1 page 18. (correct to 3 decimal places) (a) 6789.6 to octal (b) 1842.359 to hexadecimal (c) 83.82 to binary 4. Division is composed of multiplications and subtractions. Perform the binary division 1011110 ÷ 101 to obtain a quotient and remainder. 5. The following calculation was performed by a particular breed of unusually intelligent chicken. If the radix r used by the chicken corresponds to its total number of toes, how many toes does the chicken have on each foot? ((35)

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## This note was uploaded on 05/18/2010 for the course ENGINEERIN ERG2020A taught by Professor Leekinhong during the Spring '07 term at CUHK.

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ex1 - Department of Computer Science and Engineering, CUHK...

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