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Test bank for Computer Science An Overview 12th Edition by Brookshear

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Test Bank—Chapter One (Data Representation) Multiple Choice Questions 1. Which of the following Boolean operations produces the output 1 for the fewest number of input patterns? A. AND B. OR C. ... XOR ANSWER: A 2. Which of the following best describes the NOR operation? A. An XOR followed by a NOT B. An OR followed by a NOT C. A NOT followed by a NOT C. An AND followed by a NOT ANSWER: B 3. Which of the following bit patterns cannot be expressed in hexadecimal notation? A. 11111111 B. 1001 C. 110011 D. 100000000001 ANSWER: C 4. Which of the following is the binary representation of 4 5/8? A. 100.11 B. 10.011 C. 110.101 D. 100.101 ANSWER: D 5. Which of the following bit patterns represents the value 5 in two’s complement notation? A. 00011010 B. 11111011 C. 00000101 D. 11111011 ANSWER: C 6. Which of the following bit patterns represents the value -5 in two’s complement notation? A. 00011010 B. 11111011 C. 00000101 D. 11111011 ANSWER: D 7. What is the result of the following addition problem (using two’s compliment notation)? 00001111 + 10101010 A. 011000101 B. 10111001 C. 01010101 D. 10110101 ANSWER: B 8. What is the result of the following subtraction problem (using two’s compliment notation)? 00001111 - 10101010 A. 011000101 B. 10111001 C. 01010101 D. 10110101 ANSWER: A 9. In which of the following addition problems (using two’s complement notation) does an overflow error occur? A. 0011 B. 0100 C. 1100 + 1010 + 0100 + 1100 ANSWER: B 10. Which of the following representations in two’s complement notation represents the largest value? A. 00000010 B. 11111111 C. 00000001 D [Show More]

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