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Problem:
a) To ensure proper operation, the operating system and all the other programs must be protected from any malfunctioning program. Describe a mechanism which is implemented in operating systems to guarantee this protection.
b) Explain why main memory management and secondary-storage management are two separate system components management.
c) What is the difference between "Message passing" and "Shared memory"?
d) Describe what a virtual machine is and give some advantages and disadvantages of virtual machines.
Binary number based systems Binary is a ' base 2' number system, only two numbers exist namely '0' and '1'. Conversion from binary to base 10 is easy if the number column techn
What is a semaphore? A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; w
Q. Presume that we agree that 1 kilobyte is 1,024 bytes 1 megabyte is 1,0242 bytes and 1 gigabyte is 1,0243 bytes. This progression carries on through terabytes, petabytes, and ex
What is busy waiting? The repeated implementation of a loop of code while waiting for an event to happen is known as busy-waiting. The CPU is not engaged in any actual producti
Problem: a) Define a ‘file' and list the objectives of the file management system. b) List the ways in which programs access files and determine for what file types you woul
VoIP (Voice over Internet Protocol), also called Internet telephone, was once a novelty on the Internet, but not very useful because of all the problems with poor voice quality and
A file system depends on data structures about the files, beside the file structure. The former is named metadata-data that defines data. Each file is accumulated with an inode, wh
An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many di
Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email
Determine a processing that is not a part of Synthesis phase Perform LC processing is not a part of Synthesis phase
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