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13:13 < Nelsi Assignment 1 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: 13. Which of the following bit patterns (represented in hexadecimal notation) represents a positive number in two's complement notation? A. 9F 7E B. F7 C. A8 D. ANSWER: 14. What value is represented by the bit pattern 01011100 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 D. 3/8 ANSWER: B. 1 1/2 C. -3/8 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 7 D. 6 1/4 ANSWER: C. Fill-in-the-blank/Short-answer Questions 1. A computer's main memory consists of numerous memory cells, each of which contains bits. Each memory cell is identified by a numeric value called the cell's . ANSWER:

          13:13
< Nelsi
Assignment 1
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:
13. Which of the following bit patterns (represented
in hexadecimal notation) represents a positive
number in two's complement notation?
A. 9F
7E
B. F7
C. A8
D.
ANSWER:
14. What value is represented by the bit pattern
01011100 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
D. 3/8
ANSWER:
B. 1 1/2
C. -3/8
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
7
D. 6 1/4
ANSWER:
C.
Fill-in-the-blank/Short-answer Questions
1. A computer's main memory consists of numerous
memory cells, each of which contains ______ bits.
Each memory cell is identified by a numeric value
called the cell's ______.
ANSWER:

13:13
< Nelsi
Assignment 1
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:
13. Which of the following bit patterns (represented
in hexadecimal notation) represents a positive
number in two's complement notation?
A. 9F
7E
B. F7
C. A8
D.
ANSWER:
14. What value is represented by the bit pattern
01011100 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
D. 3/8
ANSWER:
B. 1 1/2
C. -3/8
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
7
D. 6 1/4
ANSWER:
C.
Fill-in-the-blank/Short-answer Questions
1. A computer's main memory consists of numerous
memory cells, each of which contains bits.
Each memory cell is identified by a numeric value
called the cell's .
ANSWER:

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