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Diagram

The document outlines a series of tasks requiring the creation and annotation of diagrams related to various computer science concepts. Topics include virtual memory, digital currency transactions, web page retrieval, the fetch-decode-execute cycle, DDoS attacks, data transmission, and cyber security threats. Each task emphasizes the importance of visual representation in understanding complex processes.

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202 views4 pages

Diagram

The document outlines a series of tasks requiring the creation and annotation of diagrams related to various computer science concepts. Topics include virtual memory, digital currency transactions, web page retrieval, the fetch-decode-execute cycle, DDoS attacks, data transmission, and cyber security threats. Each task emphasizes the importance of visual representation in understanding complex processes.

Uploaded by

Eagle
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Diagram

[Example answers are given. There can be many possible answers]


1.​ Draw a diagram to represent how virtual memory is created and used.

2.​ Draw and annotate a diagram to show how a payment transaction is made using digital currency and
blockchain.

3.​ Draw and annotate a diagram to show how the web page is located and retrieved to be displayed on the
student’s tablet computer.

4.​ Complete and annotate the diagram to show how the data is decoded once it has been fetched into the
MDR.

________________________________________________________________________________________
O Level​ ​ ​ ​ ​ ​ ​ ​ ​ https://fahimferdous.com
5.​ The computer processes instructions using the fetch–decode–execute (FDE) cycle. Draw and annotate a
diagram to show the process of the fetch stage of the FDE cycle.

6.​ A company has a website that is suffering a distributed denial of service (DDoS) attack. Draw and annotate a
diagram to show the process of the DDoS.

7.​ A company has a network that includes a web server. Data is transmitted across the network using serial
half-duplex data transmission. Draw and annotate a diagram to show how the data is transmitted using
serial half-duplex data transmission.

________________________________________________________________________________________
O Level​ ​ ​ ​ ​ ​ ​ ​ ​ https://fahimferdous.com
8.​ A student enters a uniform resource locator (URL) into their web browser. Draw and annotate a diagram to
show the process from the user entering the URL to the web browser displaying the web page.

9.​ Draw and annotate a diagram to represent the process of pharming.

10.​ A distributed denial of service attack (DDoS) is a cyber security threat. Draw and annotate a diagram to
represent the process of a DDoS.

________________________________________________________________________________________
O Level​ ​ ​ ​ ​ ​ ​ ​ ​ https://fahimferdous.com
11.​ Draw and annotate a diagram to demonstrate how a firewall works.

12.​ Draw and annotate a diagram that demonstrates the cyber security threat of data interception.

13.​ Draw and annotate a diagram to represent the role of a router.

________________________________________________________________________________________
O Level​ ​ ​ ​ ​ ​ ​ ​ ​ https://fahimferdous.com

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