Suppose that we use the floating-point format with 12 decimal digits, SEEEMMMMMMMM, to rep- resent a real number, where S is the digit to represent the sign of the mantissa (use 0 for pos- itive and 5 for negative), EEE are the 3 digits to represent the exponent in excess-500 format, MMMMMMMM are the 8 digits to represent the magnitude of the mantissa, and the decimal point of the mantissa is right to the left of MMMMMMMM (i.e., SEEEMMMMMMMM representing the real number ±0.MMMMMMMM × 10EEE-500)

Suppose that we use the floating-point format with 12 decimal digits, SEEEMMMMMMMM, to rep- resent a real number, where S is the digit to represent the sign of the mantissa (use 0 for pos- itive and 5 for negative), EEE are the 3 digits to represent the exponent in excess-500 format, MMMMMMMM are the 8 digits to represent the magnitude of the mantissa, and the decimal point of the mantissa is right to the left of MMMMMMMM (i.e., SEEEMMMMMMMM representing the real number ±0.MMMMMMMM × 10EEE-500)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Suppose that we use the floating-point format with 12 decimal digits, SEEEMMMMMMMM, to rep-
resent a real number, where S is the digit to represent the sign of the mantissa (use 0 for pos-
itive and 5 for negative), EEE are the 3 digits to represent the exponent in excess-500 format,
MMMMMMMM are the 8 digits to represent the magnitude of the mantissa, and the decimal point of
the mantissa is right to the left of MMMMMMMM (i.e., SEEEMMMMMMMM representing the real number
±0.MMMMMMMM × 10EEE-500)
What is the second largest positive number that can be represented in this for-
mat? How much less is this number compared to the largest number? Can you represent a
number located somewhere between the largest number and the second largest number?

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