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For each question, circle the best answer. none of the selections are appropriate, then choose 'e. None of the above". 1. Which of the following is an advantage of interrupts over polling? a. Interrupts are a simpler mechanism for both the hardware and software. b. Interrupts allow for more eficient CPU utilization. c. Interrupts are compatible with virtual memory, while polling is not. d. Polling causes bad hit rates in the L1 instruction cache. e. None of the above. 2. What three operations (in the correct order) are required to read data from the hard disk? a. jal, sw, jr b. Wait for rotation, seek, read data as it spins under c. Interrupt, seek, read data as it spins under d. Seek, wait for rotation, read data as it spins under e. None of the above. 3. Which of the following would not cause an exception? a. Division by zero. b. Abranch is mispredicted. c. Attempting to execute a privileged instruction in a normal application. d. Aload or store does not have a valid virtual to physical translation. e. None of the above (all of them cause expeptions). 4. Which of the following descriptions on the OS is incorrect? a. The OS manages the interrupt vector table. b. The OS can enable/disable interrupts. c. In a real-time operating system, all processes have the same priority. d. The OS is responsible for disk initialization. e. None of the above.

For each question, circle the best answer. none of the selections are appropriate, then choose 'e. None of the above". 1. Which of the following is an advantage of interrupts over polling? a. Interrupts are a simpler mechanism for both the hardware and software. b. Interrupts allow for more eficient CPU utilization. c. Interrupts are compatible with virtual memory, while polling is not. d. Polling causes bad hit rates in the L1 instruction cache. e. None of the above. 2. What three operations (in the correct order) are required to read data from the hard disk? a. jal, sw, jr b. Wait for rotation, seek, read data as it spins under c. Interrupt, seek, read data as it spins under d. Seek, wait for rotation, read data as it spins under e. None of the above. 3. Which of the following would not cause an exception? a. Division by zero. b. Abranch is mispredicted. c. Attempting to execute a privileged instruction in a normal application. d. Aload or store does not have a valid virtual to physical translation. e. None of the above (all of them cause expeptions). 4. Which of the following descriptions on the OS is incorrect? a. The OS manages the interrupt vector table. b. The OS can enable/disable interrupts. c. In a real-time operating system, all processes have the same priority. d. The OS is responsible for disk initialization. e. None of the above.

Computer Networking: A Top-Down Approach (7th Edition)
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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For each question, circle the best answer. If none of the selections are appropriate, then choose 'e. None of the above". 1. Which of the following is an advantage of interrupts over polling? a. Interrupts are a simpler mechanism for both the hardware and software. b. Interrupts allow for more eficient CPU utilization. c. Interrupts are compatible with virtual memory, while polling is not. d. Polling causes bad hit rates in the L1 instruction cache. e. None of the above. 2. What three operations (in the correct order) are required to read data from the hard disk? a. jal, sw, jr b. Wait for rotation, seek, read data as it spins under c. Interrupt, seek, read data as it spins under d. Seek, wait for rotation, read data as it spins under e. None of the above. 3. Which of the following would not cause an exception? a. Division by zero. b. Abranch is mispredicted. C. Attempting to execute a privileged instruction in a normal application. d. Aload or store does not have a valid virtual to physical translation. e. None of the above (all of them cause exceptions). 4. Which of the following descriptions on the OS is incorrect? a. The OS manages the interrupt vector table. b. The OS can enable/disable interrupts. c. In a real-time operating system, all processes have the same priority. d. The OS is responsible for disk initialization. e. None of the above.
Transcribed Image Text:For each question, circle the best answer. If none of the selections are appropriate, then choose 'e. None of the above". 1. Which of the following is an advantage of interrupts over polling? a. Interrupts are a simpler mechanism for both the hardware and software. b. Interrupts allow for more eficient CPU utilization. c. Interrupts are compatible with virtual memory, while polling is not. d. Polling causes bad hit rates in the L1 instruction cache. e. None of the above. 2. What three operations (in the correct order) are required to read data from the hard disk? a. jal, sw, jr b. Wait for rotation, seek, read data as it spins under c. Interrupt, seek, read data as it spins under d. Seek, wait for rotation, read data as it spins under e. None of the above. 3. Which of the following would not cause an exception? a. Division by zero. b. Abranch is mispredicted. C. Attempting to execute a privileged instruction in a normal application. d. Aload or store does not have a valid virtual to physical translation. e. None of the above (all of them cause exceptions). 4. Which of the following descriptions on the OS is incorrect? a. The OS manages the interrupt vector table. b. The OS can enable/disable interrupts. c. In a real-time operating system, all processes have the same priority. d. The OS is responsible for disk initialization. e. None of the above.
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