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What is the difference between kernel and user mode? Explain how having two distinct modes aids in designing an operating system.
question 1a one major problem about process synchronization is called race condition. explain what race condition is
the shortest job next sjn algorithm queues processes in a way that the ones that use the shortest cpu cycle will be
Member of coordinating a computer's activities is handling failure. This is called fault tolerance. Briefly explain about how a computer handles loss of power to limit the loss of all work
Suppose if the last operation performed on a computer with an 8-bit word was an addition in which 2-operands were 00000010 and 00000011, determine the value of the following flags?
Provide protection and redundancy methods for a Linux system that hosting SSH, Web Server and database services. Your methods need to align and address each of these services with reliability, maintainability, and availability network services des..
Discuss how routers and firewalls and IDSs inspect inbound and outbound traffic and explain how we use those features to our benefits in securing the network.
Write a symbol table package consisting of two routines: enter(symbol, value) and lookup(symbol, value). The former enters new symbols in the table and the latter looks them up. Use some form of hash coding.
Write a DOS-like shell on top of the Bourne shell to satisfy the DOS users. Your program is invoked by and the familiar DOS prompt is displayed which shows the path of the current working directory.
Assuming fetches to main memory are started in parallel with look-ups in cache, calculate the effective (average) access time of this system.
From the e-Activity, examine the need for BIOS on computing devices. Determine whether or not you believe all mobile platforms and desktop computers need BIOS. Justify your response with relevant examples and sources.
Consider the advantages and disadvantages of each major operating system that Amy might use on the Web server. In a one-page memorandum to Amy.
Suppose you have decided to buy a personal computer system for personal use and wish to be able to do the following tasks on the computer,
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