In Examination Figure 4 are represented two concurrent forces F1and F2 . The angle (measured counterclockwise) between thehorizontal reference line and the line of action of the resultantof the two given forces is
Case Study: NAB Data Breach
On the 26th July 2019, National Australia Bank (NAB) which is the 4th largest bank in Australia,
contacted approximately 13,000 customers to advise that some personal information provided when
their account was set up was uploaded, without authorisation, to the servers of two data service
companies. NAB’s security teams have contacted the companies, who advise that all information
provided to them is deleted within two hours.
NAB Chief Data Officer, Glenda Crisp, said the compromised data included customer name, date of
birth, contact details and in some cases, a government-issued identification number, such as a driver’s
licence number. “We take the privacy and the protection of customer information extremely seriously
and I sincerely apologise to affected customers. We take full responsibility,” she said. “The issue was
human error and in breach of NAB’s data security policies.” Ms Crisp said it was not a cyber-security
issue. No NAB log-in details or passwords have been compromised – and NAB’s systems remain secure.
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OS/2 from IBM is an obsolete OS for PCs.
In OS/2, what is commonly embodied in the concept of process in other operating systems is split into three separate types of entities: session, processes, and threads. A session is a collection of one or more processes associated with a user interface (keyboard, display, and mouse). The session represents an interactive user application, such as a word processing program or a spreadsheet. This concept allows the personal computer user to open more than one application, giving each one or more windows on the screen. The OS must keep track of which window, and therefore which session, is active, so that keyboard and mouse input are routed to the appropriate session. At any time, one session is in foreground mode, with other sessions in background mode. All keyboard and mouse input is directed to one of the processes of the foreground session, as dictated by the appli- cations. When a session is in foreground mode, a process performing video output sends it directly to the hardware video buffer and then to the user’s display. When the session is moved to the background, the hardware video buffer is saved to a logical video buffer for that session. While a session is in background, if any of the threads of any of the processes of that session executes and produces screen output, that output is directed to the logical video buffer. When the session returns to foreground, the screen is updated to reflect the current contents of the logical video buffer for the new foreground session.
There is a way to reduce the number of process-related concepts in OS/2 from three to two. Eliminate sessions, and associate the user interface (keyboard, mouse, and display) with processes. Thus, one process at a time is in foreground mode. For further structuring, processes can be broken up into threads.
a.What benefits are lost with this approach?
b.If you go ahead with this modification, where do you assign resources (memory, files, etc.): at the process or thread level?
1. Critical analysis of leadership theory and style maintains
**Select one or more:*
a. leadership should come from the ranks
b. leadership is most effective when there are contingent rewards and corrective coaching
c. leadership should be defined by the structure of the organization
d. leadership skills make a manager the most powerful entity
2. Positive psychologists refer to positivity and success as a measure of
**Select one or more:
a. identifying and fixing problems
b. languishing and exceeding potentials
c. counterproductive behaviors and preventing them in the workplace
d. higher managerial performance, both in terms of decision making and interpersonal tasks
3. Organizational change involves
**Select one or more:
a. behavior modification across the organization and leadership that scans for environmental resistance
b. learning capabilities across management teams and a survey of all stakeholders for support
c. behaviors that should be altered and aligned with current procedures
d. actions that are amended to provide shifts in the direction an organization to takes to implement improvement
Respond to one of the following:
• Discuss the political landscape of the Restoration and the eighteenth century. (You may mention the rise of the modern parliamentary system, the addition of a Prime Minister, and the major differences between the Tories and the Whigs.) How was the English system of government during the 18th century similar to or different from today’s political climate in either England or the United States?
• Swift is famous for his use of satire. Satire works on at least three levels. One is the surface level, the literal level, in which the reader takes the author at “face value.” The second level is where the reader has an “aha” reaction. This occurs when the reader understands that the author does not mean what is written literally; in fact, the author means just the opposite (sarcasm often works on this level). Third is the metaphoric level. Here the reader realizes what the author does mean what was said on the surface level but not literally. At what point in “A Modest Proposal” did you have an “aha” reaction? How does this essay work on all three levels?
• A mock epic is a long, humorous narrative poem that treats a trivial subject in the grand elevated style of a true epic such as ParadiseLost. What is Pope mocking in TheRape of the Lock? What does he borrow from other epics to achieve his purpose? Is he successful in making his point? Why or why not?
• Which of the poems from the debate about women was the most convincing, or which was your favorite? Why? Be specific.
Design an experiment to prove that Citrate synthase is localized in the Mitochondria and not in the Nucleus in a human cell.
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6. Express (746)10 in (a) BCD, (b) binary, and (c) ASCII, usingthe minimum number of bits in each case. Show your work. . . .
Determine the transfer function for the following circuit. Write the answer as a polynomial over another. Assume that 0 is V, and the output is the voltage across R3. Also, assume that all three resistors are equal to 1, C=1, and L=2. In addition, calculate the undamped natural frequency and the damping ratio. What is the shape of the transient response?
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