Memory data may be accessed sequentially or instantly. Why is direct access common? How can a device with sequential access be made direct?

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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Memory data may be accessed sequentially or instantly. Why is direct access common? How can a device with sequential access be made direct?

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Introduction

Memory data:

Memory data refers to the information that is stored in a computer's memory. It can include program instructions, user data, system settings, and other information that is accessed and processed by the computer's CPU. Memory data can be accessed sequentially, where the computer reads each memory location in order, or directly, where the CPU can access any memory location without reading the preceding locations. Efficient memory data management is essential for computer performance and is a critical component of computer architecture.

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