Answered: 1) Assume we use 8-bit cell to store…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Assume we use 8-bit cell to store floating point numbers, 1 bit for sign, 3 bits for excessed exponent, and 4 bits for significand (seeeffff). What is the excess for denormalized decimals?

Question options:

	a. 6
	b. 7
	c. 2
	d. 3

2) Assume we use 8-bit cell to store floating point numbers, 1 bit for sign, 3 bits for excessed exponent, and 4 bits for significand. What is the decimal value for a cell with bit pattern 0 111 1101

Question options:

	a. 125
	b. 224
	c. Positive infinity
	d. Negative infinity
	e. NAN (Not a number)

3) For IEEE 754 single precision floating point numbers, what is the excess for denormalized decimals?

Question options:

	a. 255
	b. 254
	c. 127
	d. 126
	e. None of the above

4) For IEEE 754 single precision floating point numbers, what is the exponent of a denormalized floating point number in decimal ?

Question options:

	a. -126
	b. -127
	c. 126
	d. 127

5) For IEEE 754 single precision floating point numbers, how many bits for mantisa?

Question options:

	a. 7
	b. 31
	c. 23
	d. 8

6) For IEEE 754 single precision floating point numbers, which of following is an example of NAN ?

Question options:

	a. 1 111 1 111 0000 0000 1101 0000 0000 0000
	b. 0 111 1 111 1000 0000 1101 0000 0000 0000
	c. 0 111 1 111 1000 0000 0000 0000 0000 0000
	d. 1 111 1 111 0000 0000 0000 0000 0000 0000
	e. None of the above

7) Assume we use 8-bit cell to store floating point numbers, 1 bit for sign, 3 bits for excessed exponent, and 4 bits for significand. What is the decimal value for a cell with bit pattern 0 110 1101

Question options:

	a. 14.25
	b. 50
	c. 50.25
	d. 14.5
	e. NAN (Not a number)

8) Assume we use 8-bit cell to store floating point numbers, 1 bit for sign, 3 bits for excessed exponent, and 4 bits for significand (seeeffff). What is the excess for normalized decimals?

Question options:

	a. 6
	b. 7
	c. 2
	d. 3

9) For IEEE 754 single precision floating point numbers, if X is a negative denormalized floating point number with mantisa 010 0000 0000 0000 0000 0000, what is the decimal value of X?

Question options: