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Question
On modern networked computers, maintaining the correct time on each machine is important. Computers on a LAN or WAN with dierent times can cause problems.
In about a page and in your own words explain why it is important for computers to maintaining the correct time and more importantly explain how do they do it.
In your explanation make certain to include discussions on the following linked topics:
The computer's hardware clock (also called the Real Time Clock or RTC)
The computer's software clock (also called the kernel or system clock)
In Linux, how they are syncronised and why do they need to be syncronised? (See Exercise 2.35 from the Study Book)
What is UTC and why is it used? (UTC: Coordinated Universal Time, or Temps Universel Coordonne, and if you want| you can explain what is going on with the acronym!)
What is NTP and what are "clock strata"?
Refer to the section on Access Controls. What is the difference between "authorization" and "authentication"? What do we use to perform each of these access control functions? What are the advantages and limitations of the different approaches?
What is the main advantage of using master pages. Explain the purpose and advantage of using styles.
A Boolean matrix has the parity property when each row and each column has an even sum, i.e. contains an even number of bits which are set. Here's a 4 x 4 matrix which has the parity property:
What do you believe utilitarian theory tells us about morality of such questions as abortion, capital punishment, or euthenasia? Is utilitarian theory helpful in deciding these questions?
Given home computers and access to company resources, employees will work extra hours at home and thereby increase company profits." Explain how well reasoned etc.
Allocation in Oracle can aid recognize problems more easily. In your own words, give the description of difference between data block, extent, a segment, and a tablespace.
Are the non-finitely-describable languages closed under concatenation? Kleene closure? Complementation? Union?
Use operant conditioning, with the program of shaping, to get sloppy roommate to make bed neatly. Incorporate and label antecedent stimulus.
Provide the example of names of three files from own computer that do not reside at the root or master directory. For each file, list both therelative filename and its complete filename.
Create pseudo code for the following: Read base price. Tax is given at rate of 8.5%. If base price is over 20,000 then you should pay the extra luxury tax of 2% on base price.
Suppose that you learn that the customer from the first part of this discussion is unsure as to whether the database is going to run only during normal business hours or whether it needs to run 24 hours / 7 days a week. Assess the importance of kn..
One way to provide additional revenues for the RBOCs in the MFJ was to retain control of the Yellow Pages.
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