Given a system, it would need a time to access register, b time to access cache, and c time to access memory. If one-level paging without cache is utilized for user process memory management, when CPU wants to fetch an instruction, the effective access time is

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Answer 1

The effective access time for one-level paging without cache is `a+b+c`

When CPU wants to fetch an instruction and one-level paging without cache is utilized for user process memory management, the effective access time is given by the formula;`

Effective access time= a + (1-p) (b+c)`

where;a = time to access register

b = time to access cache

c = time to access memory

p = probability of finding page in cache

(1-p) = probability of page fault

For one-level paging, all user process pages are stored in the memory (the page table is also stored in memory) because there is no cache. This means that the probability of finding a page in cache (p) is zero since there is no cache.

Therefore the formula above can be simplified to;

`Effective access time = a + (1-0) (b+c)` `= a + b + c`

Hence the effective access time for one-level paging without cache is `a+b+c`.

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Related Questions

em eating cinammon roll

Answers

Answer:

Cinammon?

Explanation:

Checks or safety procedures are put in place to protect the integrity of the system is referred to as?

Answers

answer:

system controls

describe 3 factors to consider before purchasing a computer memory module for upgrade

Answers

Your computer's amount of random access memory won't be a big deal if you merely use it to surf the web or check your email.

What is Memory module?

If your computer's RAM is insufficient for tasks like gaming, video transcoding, or graphic design—or if you have a propensity of running many programs simultaneously—you will almost certainly experience performance problems.

The quantity and kind of memory you require depends on a few aspects, regardless of whether you want to build a new computer or upgrade your current one.

After installing more memory, if any of these symptoms appear right away, take the memory out and recheck the performance. If the performance returns to normal, the modules might have been placed incorrectly or they might not have the necessary specs to be used.

Therefore, Your computer's amount of random access memory won't be a big deal if you merely use it to surf the web or check your email.

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Tanya wants to include an instructional video with all its controls on her office website. The dimensions of the video are as follows: width=260, height=200. What code should tanya use to insert the video?

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Answer:

Explanation:

In this scenario the two pieces of code that Tanya is missing would be controls and type. Controls adds the necessary video player controls while type signals what type of content will be playing. Therefore, the entire code snippet should be the following

</video>

Decrypt this secret message if your able to a lot will come..

Answers

dNch/dy=8000

Failure

The Decrypt message is

dNch/dy=8000FAILUREFAILUREFAILURE

To decrypt / decipher an encoded message, it is necessary to know the encryption used (or the encoding method, or the implemented cryptographic principle).

To decrypt the given message, consider the mirror image of each value as

First, the message in first line is the mirror image of alphabets as which coded as

dNch / dy = 8000

and, the remaining three lines have same values which is the mirror image of the word "FAILURE".

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to insert slides from another presentation into a presentation, click the new slide list arrow in the slides group, then click insert slides. true false

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The answer is true. On the Home tab, under Slides, click the arrow next to New Slide, and then click Insert Slides from Other Presentation.

What is PowerPoint?

Microsoft PowerPoint is a presenting tool that was developed by Dennis Austin and Robert Gaskins at the software firm Forethought, Inc.

On April 20, 1987, it was initially only available for Macintosh computers.

The Microsoft Office suite, which included a number of Microsoft software, was originally made available in 1989 for Macintosh and in 1990 for Windows.

PowerPoint was integrated into the development of Microsoft Office starting with version 4.0 (1994), adopting shared common components and a converged user interface.

Prior to the release of a version for Microsoft Windows, PowerPoint's market share was quite modest, but it quickly increased as Windows and Office flourished.

95 percent of the global market for presentation software has been attributed to PowerPoint since the late 1990s.

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the front-end of an application is known as the application logic

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Entities that do not store user data but need to access user data are called Application Front-Ends (FE). These Front-Ends implement the application logic for handling and operating on the user data, but they do not permanently store any user data. Examples of Front-Ends are the HSS, ANDSF, and PCRF.

ANSWER:

Incorrect

EXPLANATION:

The front-end of an application is what you see and interact with, like the buttons, text, and images you click on or type into. The application logic is the behind-the-scenes part that does the work, like storing your information or doing calculations based on what you entered. Think of the front-end as the part you can touch and see, and the application logic as the invisible part that makes everything happen.

e. Define the term ‘user interface’, giving examples.

f. What is a mobile application?

g. Explain briefly what a multi-tasking system is and how it works?

Answers

Answer:

Explanation:

iiiiiiiiiiiiiiiiiiii

Which option ensures that a page break is automatically inserted ahead of a specific paragraph or heading?

the Page breaks before option in the Paragraph dialog box
the Keep with next option in the Paragraph dialog box
the Keep lines together option in the Paragraph dialog box
All the above options are correct.

Answers

The option which ensures that a page break is automatically inserted ahead of a specific paragraph or heading include the following: D. all the above options are correct.

What is Microsoft Word?

In Computer technology, Microsoft Word can be defined as a word-processing software application that is designed and developed by Microsoft Inc., so as to avail its end users an ability to type, format, adjust and save text-based documents.

What is a page break?

In Microsoft Word, a page break can be defined as a special marker that is designed and developed to end the current page of a Word document while starting a new document.

In conclusion, a page break avails an end user the ability to see if the pages break in a Microsoft Word document are broken in the right spaces.

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The base 10 number 18 is equal to which base 16 number?

10

12

14

16

Answers

Answer:

1 2 base 16

Explanation:

To convert to base 16 you divide the number with 16. 18/16=1 remainder 2;1 divide by 16 is =1

From bottom to top :1 2

Def transfer(bank, log_in, usera, userb, amount): ''' in this function, you will try to make a transfer between two user accounts. bank is a dictionary where the key is the username and the value is the user's account balance. log_in is a dictionary where the key is the username and the value is the user's log-in status. amount is the amount to be transferred between user accounts (usera and userb). amount is always positive. what you will do: - deduct the given amount from usera and add it to userb, which makes a transfer. - you should consider some following cases: - usera must be in the bank and his/her log-in status in log_in must be true. - userb must be in log_in, regardless of log-in status. userb can be absent in the bank. - no user can have a negative amount in their account. he/she must have a positive or zero balance. return true if a transfer is made. for example:

Answers

Using the knowledge in computational language in python this code will be described for bank is a dictionary where the key is the username and the value is the user's account balance.

Writing code in python:

def transfer (bank, log_in, userA, userB, amount):

if userA in bank and log_in[userA]:

if userB in log_in:

if amount <= bank [userA]:

bank [userA] -= amount

bank[userB] += amount

return true

return false

bank= {"Bradon": 115.5, "Patrick": 18.9, "Sarah": 827.43, "Jack": 45.0, "James": 128.87}

log_in= {"Bradon": False, "Jack": False, "James": False, "Sarah": False}

transfer(bank, log_in, "Bradon", "Jack", 100)

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Def transfer(bank, log_in, usera, userb, amount): ''' in this function, you will try to make a transfer

create a static method named poundstokg that converts pounds to kilograms? public static double poundstokg(double p) { } hint: 1 kilogram = 2.2 pounds

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To create a static method named "poundstokg" that converts pounds to kilograms, we need to use the conversion rate of 1 kilogram equals 2.2 pounds. First, we need to define the method as public static double poundstokg(double p) where "p" is the weight in pounds that needs to be converted to kilograms.

Next, we can use the conversion rate to convert the weight in pounds to kilograms. We can do this by dividing the weight in pounds by 2.2, which will give us the weight in kilograms. Therefore, the complete code for the "poundstokg" method will be: public static double poundstokg(double p) {double kg = p/2.2; //Converting pounds to kilograms return kg; //returning the weight in kilograms } With this method, we can easily convert weights from pounds to kilograms by passing the weight in pounds as an argument to the method. The method will then convert the weight to kilograms and return the weight in kilograms as a double value. In conclusion, the "poundstokg" method is a simple and efficient way to convert weights from pounds to kilograms in Java programming.

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in a basic program with 3 IF statements, there will always be _________ END IIF's.
a)2
b)3
c)4

Answers

Answer:

c)4

Explanation:

Hope it could helps you

mango tech has a program that offers consumers money back for their old mango computers so that the materials used to make the computer can be retained within a closed system. which of the primary environmental goals does mango tech's program address?

Answers

Mango tech's program addresses the primary environmental goal of closed-loop recycling, as it aims to retain the materials used to make the mango computers within a closed system. By offering consumers money back for their old computers, Mango tech encourages the proper disposal of electronic waste and promotes the reuse of valuable resources.

Mango Tech's program appears to address the primary environmental goal of "closing the loop" or achieving a circular economy. By offering consumers money back for their old Mango computers, Mango Tech is incentivizing consumers to return their old products rather than dispose of them, which helps to keep the materials used in the computer within a closed system. This reduces the need for raw materials and minimizes waste, contributing to a more sustainable use of resources. Overall, the goal of a circular economy is to minimize resource use, waste, and pollution by keeping materials in use for as long as possible.

Communication systems are responsible for transporting data from one place to another These systems facilitate the transmission of information between different devices, networks or locations

They utilize various technologies such as wired or wireless networks, protocols and infrastructure to enable the transfer of data across different points

Communication systems play a crucial role in establishing connectivity and enabling data exchange between computers and other devices in a networked environment.

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The kind of computer systems are responsible for transporting data from one place to another is known as C. Communication systems

What are Communication Systems?

Communication systems have the duty of transferring information from one location to another. Different technologies and protocols are employed by these systems to transfer data across multiple mediums including cables, fiber optics, wireless networks and satellite links.

The range of technology tools encompasses gadgets such as modems, transceivers, switches, and routers, as well as the fundamental system that facilitates efficient data transmission, such as the internet, wide area networks (WANs), local area networks (LANs), and telecommunications networks.

Communication technologies allow for the transmission of information across varying geographical distances, streamlining the process of data transfer, vocal interaction, video relay, and additional digital communication methods.

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the convert entities tool creates a(n) __________ geometric relation.

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The convert entities tool creates a "coincident" geometric relation.

What type of geometric relation does the "convert entities" tool create in CAD software?

The "convert entities" tool is a feature found in many computer-aided design (CAD) software applications.

It is used to generate new sketch entities based on existing geometry or edges in a sketch.

When using this tool, selecting existing entities or edges and converting them into new sketch entities creates a geometric relation called "coincident."

A coincident relation signifies that two or more sketch entities or points share the same location in space.

In this case, when using the convert entities tool, the newly created sketch entities will be positioned exactly on the same location as the original entities or edges, establishing a coincident relation between them.

This relation ensures that the newly generated entities maintain the same positional relationship with the original geometry, allowing for accurate and consistent design modifications and updates.

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c = float(input("Enter a third decimal: "))

print("sum: " + str(a + b + c))

Answer:

2.2 question 1

x = int(input("Enter an integer: "))

print(x + 1)

print(x + 2)

print(x + 3)

2.2 question 2

a = float(input("Enter number here: "))

b = float(input("Enter number here: "))

c = float(input("Enter number here: "))

print(a + b + c)

Explanation:

There you go let me know if it didnt work

Suppose you are interested in detecting the number of hosts behind a NAT. You observe that the IP layer stamps an identification number sequentially on each IP packet. The identification number of the first IP packet generated by a host is a random number, and the identification numbers of the subsequent IP packets are sequentially assigned. Assume all IP packets generated by hosts behind the NAT are sent to the outside world.a. Based on this observation, and assuming you can sniff all packets sent by the NAT to the outside, can you outline a simple technique that detects the number of unique hosts behind a NAT? Justify your answer.b. If the identification numbers are not sequentially assigned but randomly assigned, would your technique work?

Answers

A packet sniffer is a simple technique that can detect the number of unique hosts behind a NAT.

Based on the given scenario where all of the IP packets are sent outside, a packet sniffer can be used to keep a record of all packets being generated by hosts behind a NAT. Since, each host generates a sequence of IP packets with sequential numbers and a unique starting identification number (ID), IP packets with consecutive ID numbers can be grouped into a cluster. The total number of clusters represents the total number of unique hosts behind the NAT.

However, in the case when the ID numbers are not assigned sequentially but assigned randomly, the above-suggested technique would not work, as there would not be clusters in sniffed packets.

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10 applications of logic gate with diagram

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The 10 applications of logic gate are:

Buzzers and burglar alarms both use NAND gates.They are primarily utilized in circuits for processing and calculation.Push button switches also employ them. Like the doorbell.They are necessary for the operation of street lighting.Data transfer function can be enabled or inhibited using AND gates.Additionally, they are utilized in CMOS and TTL (Transistor Transistor Logic) circuits.It is used in Microprocessors.It is used in microcontrollers.It is used in embedded systems.It is used in electronic and electrical project circuits all require logic gates.

What does application logic's primary purpose?

Workflow logic is the majority of application logic. It is the coordination of domain and infrastructure components specifically for each application in accordance with those applications' needs.

Note that the fundamental components of digital systems are logic gates. They essentially function as a switch for logical operations. Logic Gates are used to implement Boolean functions. The input is accepted by a logic gate, which then executes the required operation. When a specific condition is met, it becomes "ON" and when it is not, it becomes "OFF."

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10 applications of logic gate with diagram

Tell me 2-6 computer parts that are inside a computer.

Spam answers will not be accepted.

Answers

Answer:

Memory: enables a computer to store, at least temporarily, data and programs.

Mass storage device: allows a computer to permanently retain large amounts of data. Common mass storage devices include solid state drives (SSDs) or disk drives and tape drives.

Input device: usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.

Output device: a display screen, printer, or other device that lets you see what the computer has accomplished.

Central processing unit (CPU): the heart of the computer, this is the component that actually executes instructions.

Explanation:

Consider the following class definitions. public class Game { private String name; public Game(String n) { name = n; } // Rest of definition not shown } public class BoardGame extends Game { public BoardGame(String n) { super(n); } // Rest of definition not shown } The following code segment appears in a class other than Game or BoardGame. Game g1 = new BoardGame("checkers"); BoardGame g2 = new Game("chess"); ArrayList My_Games = new ArrayList(); My_Games.add(g1); My_Games.add(g2); Which of the following best explains why the code segment does not compile? A BoardGame object cannot be assigned to the Game reference g1. B A Game object cannot be assigned to the BoardGame reference g2. C The My_Games object cannot contain elements of different types. D The object referenced by g1 cannot be added to My_Games since g1 was instantiated by a call to the BoardGame constructor. E The object referenced by g2 cannot be added to My_Games since g2 was declared to be of type BoardGame.

Answers

The answer choice that best explains why the code segment does not compile is B. A Game object cannot be assigned to the BoardGame reference g2.

How to express this

In the line BoardGame g2 = new Game("chess");, the object of type Game is being instantiated and assigned to a reference variable of type BoardGame. This is not allowed because a Game object is not a BoardGame object, and therefore cannot be assigned to a BoardGame reference.

Additionally, option A is incorrect because a BoardGame object can be assigned to a Game reference, as shown in the line Game g1 = new BoardGame("checkers");.

Option C is also incorrect because an ArrayList can contain elements of different types, including objects of different subclasses of a common superclass.

Option D is incorrect because the object referenced by g1 can be added to My_Games, since g1 is an object of type BoardGame which is a subclass of Game.

Option E is incorrect because the object referenced by g2 cannot be added to My_Games, but not because g2 was declared to be of type BoardGame. Rather, it is because g2 is an object of type Game which is a superclass of BoardGame, and therefore cannot be added to an ArrayList of BoardGame objects.

Answers

Answer:

It rotates it 45 degrees in a direction

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When we use impression management?.Please try to make your answer comprehensive and brief and notto exceed 300 words if during the experiment described in the passage, fraction f is taken from the iec device and then titrated, which of the following is the most likely to be the titration curve that results? Fill in the blank: Sorting ranks data based on a specific _____ that you select. A portfolio consists of a short position in 1500 shares of a nondividend paying stock with spot price $20. a long position in 2000 calls struck at $25 and expiring in 6 months on the stock, assumed lognormally distributed with 40% volatility, $20,000 in money account with annual interest rate 4% continuously compounding. (a) What is the value of the portfolio? Round your answer to the nearest cent. 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"All he knew was that the river seemed to go on and on and on for ever, and he was hungry, and had a nasty cold in the nose, and did not like the way the Mountain seemed to frown at him and threaten him as it drew ever nearer. After a while, however, the river took a more southerly course and the Mountain receded again, and at last, late in the day the shores grew rocky, the river gathered all its wandering waters together into a deep and rapid flood, and they swept along at great speed.""C. Thorin of course saw the sense of this, so after a few more groans he got up and helped the hobbit as well as he could. In the darkness floundering in the cold water they had a difficult and very nasty job finding which were the right barrels.