Assembly Language x86: ### Multiple Choice Question: Differences Between Symbolic Constants and Variables**Question:**What are the differences between symbolic constants and variables? (Select all that apply)**Options:**1. ☐ Symbolic constants take up no memory storage, unlike variables2. ☐ Symbolic constants can only be integer values, unlike variables3. ☑ Symbolic constants cannot change during runtime, unlike variables4. ☐ There is no difference, they are treated the same**Explanation:**This question explores the key differences between symbolic constants and variables in programming. A symbolic constant is a fixed value that cannot be altered during the execution of a program, unlike variables which can change. Understanding these differences is crucial for effective programming and resource management.

Symbolic Constant: A symbolic constant is a symbol with a value to an integer expression or some…

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Database System Concepts

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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

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Assembly Language x86:

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Step 1: Symbolic constants and variables

Symbolic Constant:

A symbolic constant is a symbol with a value to an integer expression or some text.
Symbols do not have storage. Once defined, symbolic constants cannot be redefined.
They are used only when the assembler scans the program and they cannot changed at runtime.
EQU (Equal) directive associates a symbolic constant.

Variables:

Directives can define variables, macros, and procedures.
They can assign names to memory segments and perform many other tasks related to the assembler.
It can be used to reserve as well as initialize one or more bytes.

Syntax

[variable-name] define-directive initial-value [,initial-value]...

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