**True or False**a) Unicode is an 8-bit code, occupying twice the disk space for text as EBCDIC would require.b) Hamming codes, used for error detection and correction, are useful for burst errors (where we could reasonably expect multiple adjacent bits to be incorrect).c) CRCs are useful for error correction.d) A byte is 8 bits, but a word may vary in size (16-bits, 32-bits, etc.) from one architecture to another.e) The largest value that a 60-bit signed binary integer can represent is (2^60 - 1).f) An Excess-M integer representation includes more negative numbers than it does positive ones.

Answered: 1. TRUE OR FALSE. a) Unicode is a 8-bit…

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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**True or False**

a) Unicode is an 8-bit code, occupying twice the disk space for text as EBCDIC would require.

b) Hamming codes, used for error detection and correction, are useful for burst errors (where we could reasonably expect multiple adjacent bits to be incorrect).

c) CRCs are useful for error correction.

d) A byte is 8 bits, but a word may vary in size (16-bits, 32-bits, etc.) from one architecture to another.

e) The largest value that a 60-bit signed binary integer can represent is (2^60 - 1).

f) An Excess-M integer representation includes more negative numbers than it does positive ones.

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We have three problems:-

Unicode is an 8-bit code which is occupying twice the disk space for text as EBCDIC would require.
Hamming codes, are used for error detection and correction and are useful for burst errors.
CRCs are useful for error editing.

We will check that the above three problems are true or false.

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