'Maskable interrupt' presentation slideshows

EFLAG Register of The 80486

EFLAG Register of The 80486. The only new flag bit is the AC alignment check, used to indicate that the microprocessor has accessed a word at an odd address or a double word boundary . Signal Descriptions of 80386. Signal Descriptions of 80386.

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Chapter 6 Interrupts and Resets

Chapter 6 Interrupts and Resets. Basics of Interrupts (1 of 4). What is an interrupt? A special event that requires the CPU to stop normal program execution and perform some service related to the event.

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UNIT 8

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Interrupts

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Outline of the lecture : Chandana :

Introduction to Interrupts. Outline of the lecture : Chandana : 1. Introduction 2. Example 3. Definition 4. Vector table and Maskable / nonmaskable interrupts ________________________________________________ Hao : 5. Stack status 6. HPRIO 7. Example. Polling and Interrupts.

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ECE 447: Lecture 7

ECE 447: Lecture 7. Polling and Interrupts. Main Program. Polling routine. Service device #1. Signal from device #1?. Service device #2. Signal from device #2?. Signal from device #N?. Service device #N. Cycle continuously. ECE 447: Polling. ECE 447: Interrupt.

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ECE 447: Lecture 7

ECE 447: Lecture 7. Polling and Interrupts. Main Program. Polling routine. Service device #1. Signal from device #1?. Service device #2. Signal from device #2?. Signal from device #N?. Service device #N. Cycle continuously. ECE 447: Polling. ECE 447: Interrupt.

280 views • 19 slides

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Quiz

Quiz. a. Why is LOOK better than SCAN? Answer the following two questions using exactly one of the words FCFS, SSTF, SCAN, LOOK, C-SCAN, C-LOOK b. Which algorithm possibly results in starvation? c. Which of SCAN or C-SCAN gives better throughput?. Where is RAID, or is SSTF implemented?.

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