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Operating Systems
The figure below shows a tunnel going through a mountain and two streets parallel to each other-one at each end of the tunnel. Traffic lights are located at each end of the tunnel to control the cross flow of traffic through each inter¬section. Based on this figure, answer the following questions:
a. How can deadlock occur, and under what circumstances?b. How can deadlock be detected?c. Give a solution to prevent deadlock and starvation.
a. Is this system deadlocked?b. Which, if any, processes are blocked?c. What is the resulting graph aftcr reduction?
a. Calculate the number of available devices. b. Determine the remaining needs for each job in each system. c. Determine whether each system is safe or unsafe. d. If the system is in a safe state, list the sequence of requests and releases that will make it possible for all processes to run to completion. e. If the system is in an unsafe state, show how it's possible for deadlock to occur.
4. Compare the processors' access to printers and other I/O devices for the master/slave and symmetric multiprocessing configurations. Give real life example where the master/slave configuration might be preferred
Circuit Packet Switching and VPNs-From the e-Activity, analyze at least one major advantage of private networks and the impact it creates for a communication technology organization. Be sure to provide your source either as an article or URL
complete one paper summarizing the actions steps tools etc. of the hacking techniques used to execute the attack on the
Widgets and Gadgets (WaG) have recently acquired a business, We Make Stuff (WMS), in another city. Before work can commence on integrating WMS's network into WaG's, WMS actually need to have a network. WMS consists of three close buildings, each with..
tools to enhance password protectionfrom atm to accessing ones email accounts everything today needs creation and
A subclass of TransferJob that performs an FTP upload of a file to the remote host.
A company is interested in upgrading its current core infrastructure, which comprises 2 100mbps switches which connect to a utility room that houses 8 100mbps switches wired with Ethernet Category 5 that run to each client machines.
What are some advantages and disadvantages of networked computers? Explain some similar characterisitcs between a network and the internet.
Should the viewing or monitoring of social networking cites be considered an appropriate method for preliminary employment screening and continued employment with organizations?
The issues is pharmaceutical(drugs), explain how you would deal with one of the situations listed below which has brought you project to an abrupt stand still, the employer is supposing No responsibility, and wishes you to work it out.
You are allocated to work on project to create controller for new satellite. To save money, manager evaluates you could reuse about 90% of the software.
Determine the IP addresses of www.google.com and www.yahoo.com. Modify hosts file to map www.google.com to yahoo's IP address and try to do google search. Remove modification to host file and repeat.
case studydiane the consultantsummary of case three years ago diane started her own consulting business. she has been
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