By using 8051 MicroController AssemblyLanguage, create a timer that countsseconds backwards from 21 to 00. Youcan use two single seven segmentdisplay to do that. DO NOT USE ANYOTHER LANGUAGE ORMICROCONTROLLER AND PLEASECHECK WHETHER YOUR CODE ISCORRECT.

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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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Concept explainers

Storage Devices

Storage devices can store digital information/data and applications (in the form of audio, video, image, etc.) to process the result of any computational work. They are a kind of computer hardware that stores information and instruction to be processed. A storage unit is a part of a computer system. Every computer has a storage device. The storage devices work as a memory. They are also known as a storage medium, digital storage, or storage media, which temporarily or permanently store information. They are used either internally or externally in the computer system, server, or any computation device to hold the information. Examples include a pen drive, CD, DVD, floppy disk, memory card and so forth.

Question

By using 8051 MicroController Assembly
Language, create a timer that counts
seconds backwards from 21 to 00. You
can use two single seven segment
display to do that. DO NOT USE ANY
OTHER LANGUAGE OR
MICROCONTROLLER AND PLEASE
CHECK WHETHER YOUR CODE IS
CORRECT.

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