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questions computer science
1. If you have 20 stations all connected to the same wire and all using digital transmission. What method of sharing the media must be used? Why do you need a sharing method?
2. Wiring specifications for a protocol such as Ethernet have a maximum length for a wire between two stations. Why does there have to be a maximum length for a wire?
3. What transmission impairment(s) are improved when moving from twisted pair to coax cable?
4. What are the three types of transmission circuits? Briefly describe each.
5. List the different types of modulation and briefly describe each.
Intelligence use AI to do different kinds of tasks which only humans could perform. Research Internet and explain how AI works to make bots resemble human intelligence.
storing number in a string of 16 bits, the first bit is used for the sign of the number, and the next 5 bits store the exponent plus the bias, and the remaining 10 bits store the mantissa. The bias is 15. What is the smallest exponent that can be st..
Using Strategies That Guide Readers Write a Comparison/Contrast Essay. Prompt: At the bottom of page 443, in the paragraph "Writing about Comparisons and Contrasts" read the writing prompt of thesecond bullet point: "In an email to a friend, you mig..
1. What are the components of PKI? 2. What is physical security? What are the primary threats to physical security? How are they manifested in attacks against the organization? 3. What are certification and accreditation when applied to informati..
Web authoring tools and other software
Networks are fundamental to every aspect of our society. Designing a network that is both adequate to current and future needs is important.
You are only required to submit a final paper and presentation. However, during the previous six weeks, you will be assembling the research paper and presentation. Feel free to post questions or portions of the paper for review at any time as an emai..
produce a truth table showing what the next state of the machine should be as a function of the current state. then produce a combinational circuit using gates and D-flipflops that implements this state machine. label the least and most significan..
Determine whether or not you believe organizations should have strict policies regarding the use of mobile devices in the workplace, also known as BYOD.
And "hacktivism" includes cracking for "higher purpose". Is it feasible to crack systems and still be ethical? Support the position.
When it comes to use of information technologies, it is frequently difficult to find out how to act ethically. Consider some of your own use of information technologies.
(1)Suppose a linked disk allocation method is used. What is the total seek distance
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