Test Bank for Computer Science on Data Representation Chapter One 12th Edition.

Test Bank for Computer Science on Data Representation Chapter One 12th Edition. Full download Test Bank for Computer Science An Overview 12th Edition 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 an OR C. An AND followed by a NOT ANSWER: B 3. Which of the following bit patterns cannot be expressed in hexadecimal notation? A. B. 1001 C. D. 001 ANSWER: C 4. Which of the following is the binary representation of 6 5/8? A. 110.11 B. 10.011 C. 110.101 D. 100.101 ANSWER: C 5. Which of the following bit patterns represents the value 9 in two’s complement notation? A. B. C. D. ANSWER: C 6. Which of the following bit patterns represents the value -9 in two’s complement notation? A. B. C. D. ANSWER: B 7. What is the result of the following addition problem (using two’s complement notation)? + A. B. C. D. ANSWER: B 8. What is the result of the following subtraction problem (using two’s complement notation)? - Full download Test Bank for Computer Science An Overview 12th Edition A. B. C. D. ANSWER: A 9. In which of the following addition problems (using two’s complement notation) does an overflow error occur? A. 0011 B. 1100 C. 1100 D. 0100 + 1010 + 0100 + 1100 + 0100 ANSWER: D 10. Which of the following representations in two’s complement notation represents the largest value? A. B. C. D. ANSWER: A 11. Which of the following representations in two’s complement notation represents the smallest value? A. B. C. D. ANSWER: D 12. Which of the following bit patterns (represented in hexadecimal notation) represents a negative number in two’s complement notation? A. 3F B. 55 C. A6 D. 7E ANSWER: C 13. Which of the following bit patterns (represented in hexadecimal notation) represents a positive number in two’s complement notation? A. 9F B. F7 C. A8 D. 7E ANSWER: D 14. What value is represented by the bit pattern when interpreted using floating-point format in which the most significant bit is the sign bit, the next three bits represent the exponent field in excess notation, and the last four bits represent the mantissa? A. -1 1/2 B. 1 1/2 C. -3/8 D. 3/8 ANSWER: B 15. Which of the following values cannot be stored accurately using a floating-point format in which the most significant bit is the sign bit, the next three bits represent the exponent field in excess notation, and the last four bits represent the mantissa? A. 2 1/2 B. 3/16 C. 7 D. 6 1/4 ANSWER: D.