what is the purpose of the following code? SBI DDRB, 4 CBI DDRB, 7loop: SBIS PINB, 7 JMP next SBI PORTB, 4 JMP loopnext: CBI PORTB, 4 JMP loopSelect one:a. we monitor B7 if its HIGH we clear B4 and if it is LOW we set B4b. we monitor B7 if its HIGH we set B4 and if it is LOW we clear B4c. we monitor B4 if its HIGH we clear B7 and if it is LOW we set B7d. we monitor B4 if its HIGH we set B7 and if it is LOW we clear B7 "O. 1, B/s1012:54 AM O65what is the purpose of the followingcode?SBI DDRB, 4CBI DDRB, 7loop: SBIS PINB, 7JMP nextSBI PORTB, 4JMP loopnext: CBI PORTB, 4JMP loopSelect one:a. we monitor B7 if its HIGH weclear B4 and if it is LOW we setВ4b. we monitor B7 if its HIGH weset B4 and if it is LOW we clearB4C. we monitor B4 if its HIGH weclear B7 and if it is LOW we setB7d. we monitor B4 if its HIGH weset B7 and if it is LOW we clearB7II

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Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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what is the purpose of the following code? SBI DDRB, 4 CBI DDRB, 7 loop: SBIS PINB, 7 JMP next SBI PORTB, 4 JMP loop next: CBI PORTB, 4 JMP loop Select one: a. we monitor B7 if its HIGH we clear B4 and if it is LOW we set B4 b. we monitor B7 if its HIGH we set B4 and if it is LOW we clear B4 c. we monitor B4 if its HIGH we clear B7 and if it is LOW we set B7 d. we monitor B4 if its HIGH we set B7 and if it is LOW we clear B7