# HW#1 - a 111111 001011 b 001001 100100 c 001001 010011 d...

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King Fahd University of Petroleum and Minerals Department of Electrical Engineering EE 200 Digital Logic Circuit Design Dr. H. Ragheb HW No. 1 (Due Sat. Sept. 25) 1- Convert the following to i- octal ii- hexadecimal a. (111010110111) 2 b. (611) 10 2- Convert the following to decimal a. (2170) 8 b. (1C3) 16 3- Compute the sum of the following pairs of 6-bit unsigned numbers. If the answer is to be stored in a 6-bit location, indicate which of the sums produces overflow. Also show the decimal equivalent of the problem a. 001011 + 011010 b. 101111 + 000001 c. 101010 + 010101 d. 101010 + 100011 4- Each of the following pairs of signed (two’s complement) numbers are stored in computer words ( 6 bits). Compute the sum as it is stored in a 6-bit computer word. Show the decimal equivalents of each operand and the sum. Indicate if there is overflow.
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Unformatted text preview: a. 111111 + 001011 b. 001001 + 100100 c. 001001 + 010011 d. 001010 + 011000 e. 111010 + 110001 f. 101001 + 110001 g. 110101 + 001011 5-subtract each of the following pairs of unsigned numbers a. 001101 - 000110 b. 110101 – 000011 c. 000111 - 010011 6- Subtract each of the following pairs of signed numbers a. 110101 – 000011 b. 110101 – 011000 c. 010000 - 100100 7- we have a computer that can store 3 decimal digits. How are the following two numbers stored in , BCD, 2421, Excess 3, and 8 4 -2 -1 codes: a. 491 b. 27 8- we have the following numbers stored in a computer. What is the decimal value representing if the number is stored as i. BCD ii. 2 4 2 1 iii. Excess 3 iv. 8 4 -2 -1 v. Binary unsigned vi. Binary signed. a. 1000 0111 b. 0011 0100 c. 1100 1001...
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