Question: Prob. 3 Represent 0.8 in IEEE 754 single-precision floating point format and give the 32-bit pattern in hex, where three guard bits are to be

Prob. 3 Represent 0.8 in IEEE 754 single-precision floating point format and give the 32-bit pattern in hex, where three guard bits are to be used in making approximation.

3.1 Use the approximation method of truncation

A. 3F4CCCCC (hex)

B. 6F4CCCCC (hex)

C. BF4CCCC9 (hex)

D. None of the above

3.2 Use the approximation method of von Neumann rounding

A. BF4CCCCE (hex)

B. 6F4CCCCD (hex)

C. 3F4CCCCD (hex)

D. None of the above

3.3 Use the approximation method of IEEE rounding

A. BF4CCCCE (hex)

B. 6F4CCCCD (hex)

C. 3F4CCCCD (hex)

D. None of the above

3.4 Determine the approximation error (in ulp) for truncation

A. -1/2 ulp

B. -3/4 ulp

C. -5/8 ulp

D. None of the above

3.5 Determine the approximation error (in ulp) for von Neumann rounding

A. 1/2 ulp

B. 1/4 ulp

C. -1/8 ulp

D. None of the above

3.6 Determine the approximation error (in ulp) for IEEE rounding

A. 1/2 ulp

B. 1/4 ulp

C. 1/8 ulp

D. None of the above

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