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1.) Describe pulse code modulation, phase shift modulation, amplitude modulation, and frequency modulation. Indicate how each is used to represent data.
2.) What is the difference between noise and distortion? How can noise and distortion be introduced into a transmission medium? How does a channel's signal-to-noise ratio affect the reliability of data transmission?
1 whenever a thread references a part of the virtual address space that is not currently loaded in the primary memory
Discuss briefly how IT certification works. What business arenas are IT certifications needed, security, or what technical problem is IT certification designed to solve?
what are the four types of business ownership? describe each of them. your response should be at least 200 words in
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
q1 - technical essay describe and critically evaluate the similarities between the windows and unix operating systems
One of the main concerns with the expanding influence of information technology is issue of personal privacy. As more and more individuals and businesses are using computers to transact business and store data the protection of individual privacy is ..
Determine what security hole was exploited through criminal hackers to illegally access LexisNexis network, what method was employed. How did they turn a bad situatin into an opportunity to improve its reputation?
Why are there so many DVD formats?
In a virtual machine design where guest operating systems are independent virtual machines supported by a host operating system, what factors are involved in choosing the host operating system?
phase 1the premise of project 2 is to create your own shell. your shell will be launchable from a terminal window and
Suppose a time-sharing operating system allocated time slices of 20 milliseconds and the machine executed an average of 5000 instructions per microsecond. How many instructions could be executed in a single time slice?
It is determined that 3-out of 5-businesses that experience downtime of forty-eight hours or more will be out of business within three years.
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