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Question 1
a) Give three advantages of parallel system
b) Explain what is "symmetric multiprocessing" and "asymmetric multiprocessing" in parallel system.
c) Name any three types of hardware protection and explain each briefly.
d) Describe what is "polling" in the interrupt handling.
Question 2
a) The OS is responsible for several activities in connection with memory management. Describe three of such activities.
b) Describe three additional Operating System functions which ensure efficient system operations instead of helping the user.
c) In different communications models, communication may take place using either "message passing" or "shared memory". Distinguish between "message passing" and "shared memory", illustrating your answer with a diagram
d) Give three advantages of virtual machine
Slim reader-writer locks favor neither readers nor writers, nor are waiting threads ordered in FIFO queue. Describe benefits of providing such a synchronization tool.
What is a firm's fully qualified domain name and what is the significance of the. Discuss the benefits and drawbacks of mobile email and text messaging in the work place.
Think about a byte addressable computer with twenty-four bit addresses, a cache capable of storing a total of 64KB of data, and blocks of 32 bytes.
Assume two hosts A and B are connected via router R. A-R link has infinite bandwidth; A-R link has infinite bandwidth; draw curves for throughput, delay, and power, each as function of load.
Discuss and explain the security monitoring activities that should be conducted in an company with both internal IT and e commerce applications.
As was stated before, the corporation X is going to expand its data system. To do this, it is going to choose and buy new hardware and software and retrain workers.
How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU.
Create a small procedure that adds two words together and stores the results in CX and DX. Call the procedure from a program that loads the words to be added together in registers BX and AX
Discuss the fundamental differences in Windows, Mac OS, UNIX, and Linux operating systems for personal computers? Determine the unique characteristics do mainframe operating systems have?
Give a solution using Monitor that is starvation-free. What would be value of semaphore before entering into Critical Section and after leaving it.
Construct a crontab to perform tasks given below at the frequencies specified. Run a backup script named local-backup from the /usr/local/adm directory every weekday at 11:30pm.
VLIW processor - assembler
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