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1. Function (subroutine) implementation requires Control instructions. (T/F) 2. We have one register file in LC-3 and all the instructions in all subroutines read and write from that one register file. 3. We use regular load and store instructions to access the status and data registers of a Memory Mapped IO (MMIO) device. 4. We use a handshaking protocol to control the exchange of data between a microcontroller and an asynchronous I/O device. 5. In a system with an OS, a programmer can directly access I/O registers.

1. Function (subroutine) implementation requires Control instructions. (T/F) 2. We have one register file in LC-3 and all the instructions in all subroutines read and write from that one register file. 3. We use regular load and store instructions to access the status and data registers of a Memory Mapped IO (MMIO) device. 4. We use a handshaking protocol to control the exchange of data between a microcontroller and an asynchronous I/O device. 5. In a system with an OS, a programmer can directly access I/O registers.

Database System Concepts
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
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1. Function (subroutine) implementation requires Control instructions. (T/F) 2. We have one register file in LC-3 and all the instructions in all subroutines read and write from that one register file. 3. We use regular load and store instructions to access the status and data registers of a Memory Mapped IO (MMIO) device. 4. We use a handshaking protocol to control the exchange of data between a microcontroller and an asynchronous I/O device. 5. In a system with an OS, a programmer can directly access I/O registers.
Transcribed Image Text:1. Function (subroutine) implementation requires Control instructions. (T/F) 2. We have one register file in LC-3 and all the instructions in all subroutines read and write from that one register file. 3. We use regular load and store instructions to access the status and data registers of a Memory Mapped IO (MMIO) device. 4. We use a handshaking protocol to control the exchange of data between a microcontroller and an asynchronous I/O device. 5. In a system with an OS, a programmer can directly access I/O registers.
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