(a) What are the largest and smallest integers that can be represented? 5 (b) How many different values can be represented? ts (c) How to represent 2710? (d) How to represent -4510 if supported? yoland

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
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There are multiple schemes that can be used to represent integers in binary, including
1. regular, unsigned binary (denoted by subscript 2)
2. sign-and-magnitude binary (denoted by subscript sam)
3. unsigned binary-coded decimal (BCD) (denoted by subscript ubcd)
4. signed BCD (denoted by subscript sbcd)
where the second and the forth can represent both positive and negative integers while the first and
the third can only represent non-negative or unsigned integers.
Assuming that we use 2 bytes to represent a number, answer the following questions for each
scheme above:
(a) What are the largest and smallest integers that can be represented?
5 (b) How many different values can be represented?
ts (c) How to represent 2710?
(d) How to represent -4510 if supported?
yolan
Transcribed Image Text:There are multiple schemes that can be used to represent integers in binary, including 1. regular, unsigned binary (denoted by subscript 2) 2. sign-and-magnitude binary (denoted by subscript sam) 3. unsigned binary-coded decimal (BCD) (denoted by subscript ubcd) 4. signed BCD (denoted by subscript sbcd) where the second and the forth can represent both positive and negative integers while the first and the third can only represent non-negative or unsigned integers. Assuming that we use 2 bytes to represent a number, answer the following questions for each scheme above: (a) What are the largest and smallest integers that can be represented? 5 (b) How many different values can be represented? ts (c) How to represent 2710? (d) How to represent -4510 if supported? yolan
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