Bk1Chapter3

13 mber and Character Coding Systems 1. Which of the following are the binary and the hexadecimal representations of the denary number 10010? Binaryy Hexadecimal A. 1111100 64 B. 1100100 7D C. 1111100 7D D. 1100100 64 2. Which of the following are the... More

13 mber and Character Coding Systems 1. Which of the following are the binary and the hexadecimal representations of the denary number 10010? Binaryy Hexadecimal A. 1111100 64 B. 1100100 7D C. 1111100 7D D. 1100100 64 2. Which of the following are the binary and the denary representations of the hexadecimal number AF16? Binaryy Denaryy A. 10101111 175 B. 10101111 115 C. 10111000 115 D. 10111000 175 3. Which of the following statements is incorrect? A. One byte always has eight bits. B. One word always has two bytes. C. One bit can at most represent two distinct values. D. One byte can at most represent 256 distinct values. 4. How many bytes are needed to store the value 10016? A. 1 byte DD AA BB B. 2 bytes C. 3 bytes D. 4 bytes 5. The two’s complement representation of –2510 in an 8-bit memory unit is . A. 0001 1001 B. 1110 0110 C. 1110 0111 D. 0110 1001 6. The largest positive value of a 12-bit number in the two’s complement representation is . A. 1111 1111 1111 B. 0100 0000 0000 C. 1 Less