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Which of the following statements is false?

Which of the following statements is false?

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
Problem 1PE
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there can be multiple answers for the CHECKBOX. check all the answers for CHECKBOX. Please recheck and make sure the answer is correct. I have only 1 attempt.

Which of the following statements is false? | For an 8259A controller the WR' pin is used by 8259A to write into the 8086 ]After the first acknowledgement pulse, the type number of the interrupt will be uploaded on the data bus For an 8259A controller the RD' pin is used by 8086 to read from the 8259A | If value of IMR is 11111111, then all the interrupts are unmasked | The main idea behind using a pic is to increase to number of interrupts If value of IMR is 00000011, ISR is 00000100 and then you check the value of IRR is 11111110, in this case the 8086 would be busy with which interrupt? IRR2 IRR7 IRR6 IRR1
Transcribed Image Text:Which of the following statements is false? | For an 8259A controller the WR' pin is used by 8259A to write into the 8086 ]After the first acknowledgement pulse, the type number of the interrupt will be uploaded on the data bus For an 8259A controller the RD' pin is used by 8086 to read from the 8259A | If value of IMR is 11111111, then all the interrupts are unmasked | The main idea behind using a pic is to increase to number of interrupts If value of IMR is 00000011, ISR is 00000100 and then you check the value of IRR is 11111110, in this case the 8086 would be busy with which interrupt? IRR2 IRR7 IRR6 IRR1
Which of the following statements is false? | For an 8259A controller the WR' pin is used by 8259A to write into the 8086 ]After the first acknowledgement pulse, the type number of the interrupt will be uploaded on the data bus For an 8259A controller the RD' pin is used by 8086 to read from the 8259A | If value of IMR is 11111111, then all the interrupts are unmasked | The main idea behind using a pic is to increase to number of interrupts If value of IMR is 00000011, ISR is 00000100 and then you check the value of IRR is 11111110, in this case the 8086 would be busy with which interrupt? IRR2 IRR7 IRR6 IRR1
Transcribed Image Text:Which of the following statements is false? | For an 8259A controller the WR' pin is used by 8259A to write into the 8086 ]After the first acknowledgement pulse, the type number of the interrupt will be uploaded on the data bus For an 8259A controller the RD' pin is used by 8086 to read from the 8259A | If value of IMR is 11111111, then all the interrupts are unmasked | The main idea behind using a pic is to increase to number of interrupts If value of IMR is 00000011, ISR is 00000100 and then you check the value of IRR is 11111110, in this case the 8086 would be busy with which interrupt? IRR2 IRR7 IRR6 IRR1
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