Answer:
Actually, the four conditions to help determine whether a website is a good source for information are:
Accuracy:So, the correct answer is AOCB (Accuracy, Authority, Objectivity, Currency).
Answer: B, D, E, G
Explanation:
2. Task (Matlab) 3 points Using the simulation program MATLAB/Simulink, a baseband transmission shall be established and analysed (Fig. 2). n(t) gs (t) receive filter B = source O uq(t) Figure 2: Resultant baseband transmission system Transmit and receive filters are designed as square-root raised-cosine filters with a roll-off factor of r = 0.5. As modulation format, a two-level bipolar transmission (i. e. s = 2) is selected. The data transmission speed is 5000 bit/s. Task: gef (t)
a) Determine the bandwidth of the transmitted signal! Answer:
b) Determine the half vertical eye opening! Answer: PR = ... p= sampling (symbol clock) UA=...
c) Determine the noise power at the decision point for a given input-side signal-to-noise ratio (e. g. 10 log10 (Es/Vo) = 10 dB). Answer: (UA)² PR detector 2 BER= sink O â[k - ko] f
d) Determine the detection signal-to-noise ratio p = (UA)2/PR and the bit-error rate for two-level bipolar transmission in the AWGN channel. Select an appropriate input- side signal-to-noise ratio (e. g. 10 log10 (Es/Vo) = 10 dB)! Answer:
a) The bandwidth of the transmitted signal, using a square-root raised-cosine filter with a roll-off factor r=0.5 and a bit rate of 5000 bits/s, can be calculated as (1+r) * BitRate/2 = 1.5 * 5000/2 = 3750 Hz.
What is the half-vertical eye-opening (EO)?b) The half-vertical eye-opening (EO) is a measure of the signal quality and is typically calculated from the eye diagram.
c) For a given SNR (10 dB here), the noise power at the decision point can be determined using the formula Vo = Es / (10^(SNR/10)).
d) The detection signal-to-noise ratio and bit-error-rate (BER) can be determined using the formula for BER in an AWGN channel for binary transmission.
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Match the definition with the correct term.
Allows computer users to download software and share files
✔ P2P
Relies on servers to maintain the connections of the network
✔ NOS
The correct matching of the definitions with the terms is as follows:
Allows computer users to download software and share files
✔ P2P (Peer-to-Peer)
Relies on servers to maintain the connections of the network
✔ NOS (Network Operating System)
What is P2P network?P2P is a type of network design that empowers computer users to transfer software and exchange files without relying on a centralized server.
In a peer-to-peer (P2P) network, individual computers operate as both clients and servers, facilitating the direct exchange of files among users. By adopting a decentralized approach, there is no requirement for a central governing body, thereby enabling expeditious transfer of files.
Conversely, a network operating system (NOS) depends on servers to uphold network connections, manage resource distribution, and deliver services like file storage, printing, and safeguarding.
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An employee has been working on his homework during his breaks at work.
He brings his flash drive in with his current assignment on it and plugs it into
his computer. The company operates on an intranet network. What risk does
this employee present?
A. If the employee's assignment file from home has a virus, it can
infect the company computer when it is opened at work.
B. Flash drives have their own antivirus that makes them safe.
C. There is no risk, since the intranet is completely secure from
outside networks and viruses.
D. The employee would have to get on the Internet at work in order to
present a risk.
If the employee's assignment file from home has a virus, it can infect the company computer when it is opened at work. Option A
Bringing a flash drive with personal files and connecting it to a company computer introduces a potential risk to the company's network and systems. Here's why:
Virus Transmission: If the employee's assignment file contains a virus, malware, or any other malicious software, it can easily spread to the company's computer when the file is accessed. The virus could then infect the company's network, compromise data, or disrupt operations.
Lack of Antivirus Scanning: While some flash drives may have built-in antivirus protection, it is not foolproof. Flash drives can still be carriers of malware, and relying solely on their built-in protection is not sufficient. The company's computer may not have the same level of security measures or antivirus software to scan the files properly.
Intranet Security vs. External Threats: While intranet networks are generally more secure than external networks, they are not completely immune to risks. Intranets can still be vulnerable to internal threats, including infected files brought in from external sources.
Uncontrolled External Connections: Although the question mentions the company operating on an intranet network, it doesn't specify that the computer is not connected to the internet. If the employee connects to the internet using the company's computer, there is an added risk of exposing the network to external threats. Option A
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Question 41
What is an another name of Personal Computer?
A OMicro-Computer
BOPrivate Computer
CODistinctive Computer
DOIndividual Computer
A personal computer, also known as a micro-computer, is a type of computer designed for individual use by a single person. Option A
It is a general-purpose computer that is meant to be used by an individual for various tasks, such as word processing, web browsing, gaming, and multimedia consumption. Personal computers are widely used by individuals in homes, offices, and educational institutions.
Option B, "Private Computer," is not a commonly used term to refer to a personal computer. The term "private" does not accurately describe the nature or purpose of a personal computer.
Option C, "Distinctive Computer," is not an appropriate term to refer to a personal computer. The term "distinctive" does not convey the common characteristics or usage of personal computers.
Option D, "Individual Computer," is not a commonly used term to refer to a personal computer. While the term "individual" implies that it is meant for individual use, the term "computer" alone is sufficient to describe the device.
Therefore, the most accurate and commonly used term to refer to a personal computer is A. Micro-Computer. This term highlights the small size and individual-focused nature of these computers. Option A
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