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Prac 3 Human Computing - being the best learner
Computer Science (ComSci1)
Rhodes University
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Ndudula Likhanyile Computer science: Human Computing Question 1 a. A network of items(things) that enables the internet to reach out into the real world of physical objects with minimal human intervention. b. Power Consumption Range Bandwidth (i)Power Consumption Power Consumption affects IOT system by simply illustrating for IOT devices to carry how much power, in order for them to function. (ii)Range It affects IOT by considering the distance between the devices that will communicate and transfer data across long distances. (iii)Bandwidth Bandwidth affects how much data will be sent, is it little or a lot of data that will be transmitted from one device to another. Agriculture Uses Low-Power Wide Area Network (LPWAN) which is suitable for Agriculture as it has the Range that has maximum of 25 miles. They have low bandwidth (transmits small packets of data) Battery life should be very long lasting. Longer range efficiency for Rural environment. Help farmers in Soil Monitoring of its conditions (soil moisture and temperature) Mining In the mining industry Every smart device that you have home will be controlled by one device (cellphone). It notifies you with power consumption. The connection of these smart devices reduces involvedness of you and can interconnect together to satisfy the humans needs without their intervention.
e. Vulnerability to Cyber-attacks: IOT devices are not equipped with the security that can detect vulnerabilities Unauthorized access and control can collect transmit data making them attractive targets for cyberbullying. Question 2 a. Internet is a network that connects devices globally whilst World Web Wide is a collection of data that was accessed in the internet. b. Wireless connection: Wi-Fi or Infrared waves Wired connection: Routers or Powerline adapter c. Incognito mode protects me from browsing mode which disable it from saving browsing history, cookies and site data as they may reveal my personal information. Incognito may prevent the browser from recalling my data that I entered Incognito doesn’t protect me from network monitoring because it can’t hide my internet activity from network service provider It doesn’t protect me from malware and phishing as malicious files and falling victims to phishing attacks It also doesn’t protect me from websites and servers as the website is still capable to track my activities using technique like IP address tracking.
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(i) Mkdir (ii) Dir
(iii) (iv) Ren (rename “F1” to “Practical 1”) (v) Move (Move the folder F2 to Practical 1 folder) (vi) Del (Delete the f3)
(i) JAC (ii) 10.0 N/A Build 22621 (iii) WORKGROUP c. (i)146.231. (ii) fe80::329c:23ff:fee8:1549% (III) IPv6 is better suited to mobile networks than IPv IPv6 is more secure and flexible than IPv4. (iv) They are private addresses that each individual is identified by.
d. There are 8 addresses
(ii)Average =13ms f. (i) 9 hops (ii) Yes
Prac 3 Human Computing - being the best learner
Course: Computer Science (ComSci1)
University: Rhodes University
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