Tutorial 2 - EE 2000 Logic Circuit Design Semester A...

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Semester A, 2007/08 Tutorial 2 The questions are divided into two levels. Level 1 is the basic level question. You should be able to answer them after completing the lecture. Level 2 is the advanced level question. You may have to take a research before answering them. Please be prepared before the tutorial. Level 1 Question 1: Complete the following table by encoding the decimal number 215 in the following format. Please show the bit configuration and count the number of bits used. Bit Representation No. of bit used Binary 1101 0111 8 bits 8421 Code 2421 Code Exess-3 Code 2 of 5 Code ASCII Question 2: Gray Code (a) Convert the binary numbers “1101001” to gray code (b) Convert the gray code “11001100111” to binary (c) Find the gray code for a decimal number 476 and convert it back to verify your result. Question 3: Find and correct the error in the following code sequence. Assume odd- parity has been used. 1
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Tutorial 2 - EE 2000 Logic Circuit Design Semester A...

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