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What are the benefits of using relational databases in the development of interactive web applications?
What is redundant data and why should it be avoided in a relational database?
Given a cache access time of 20ns, a main memory access time of 1000ns, and a cache hit ratio of 90 percent. Assuming fetches to main memory are started in parallel with look-ups in cache
With the help of graphics program, design many security awareness posters on the following themes, updating antivirus signatures, watching out for e-mail viruses.
Consider server with N threads, each of which receives request message from port and processes it. Each request on average takes 2 milliseconds of CPU processing and 8 of I/O delay. If the server had one thread it would be able to process 100 transac..
A machine has a 32-bit address space and an 4-KB page. Suppose a simple OS just boot up on the machine, running a single process. The process uses 2 memory pages for the text and data memory (combined) near the lowest virtual address, and 1 memory pa..
Describe the advantages of using smart cards for identification and provide at least three examples.
Write a paper discussing the relative advantages and disadvantages of at least three different measures used to protect operating systems. The ease of implementation and the associated security management issues should also be addressed. Finally, ..
Explain the role of antennas in transmission of radio waves. Determine what type of antenna is typically used in a wireless LAN?
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.
5 Disk, seek time, latency, sector, request Single-platter disk rotation speed: 7200 rpm number of tracks on one side of platter. What is avg rotational latency?
identify and describe the processes involved in the management of the services disk quotas and security of both windows
explain if 5 clients accessed the same file in a Distributed File Service how many copies of the file may exist on the network? List where the copies are.
Why is this concept important, and what can you do to make sure integrity is enforced?
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