These values determine the sizes and distribution of bits in the Virtual and physical addresses, allowing for proper addressing of the pages and offsets within the given system
In the given system, we have the following information:
Virtual address space:
Number of pages = 64
Page size = 1,024 bytes
Physical memory:
Number of frames = 32
To determine the number of bits in a virtual address, we need to calculate the number of bits required to represent the page number and the offset.
Number of bits in the page number:
Since we have 64 pages, we need log2(64) bits to represent the page number.
log2(64) = 6 bits
number of bits in the offset:
Since each page has a size of 1,024 bytes, we need log2(1,024) bits to represent the offset.
log2(1,024) = 10 bits
Therefore, the virtual address consists of 6 bits for the page number and 10 bits for the offset. So, the total number of bits in a virtual address is 6 + 10 = 16 bits.
Moving on to the physical address, we need to determine the number of bits required to represent the page number and the offset.
Number of bits in the page number (physical):
Since we have 32 frames in physical memory, we need log2(32) bits to represent the page number.
log2(32) = 5 bits
Number of bits in the offset (physical):
Since each frame has the same size as a page (1,024 bytes), we need the same number of bits as the offset in the virtual address, which is 10 bits.
Therefore, the physical address consists of 5 bits for the page number and 10 bits for the offset. So, the total number of bits in a physical address is 5 + 10 = 15 bits.
To summarize:
Virtual Address:
Page Number = 6 bits
Offset = 10 bits
Total = 16 bits
Physical Address:
Page Number = 5 bits
Offset = 10 bits
Total = 15 bits
These values determine the sizes and distribution of bits in the virtual and physical addresses, allowing for proper addressing of the pages and offsets within the given system.
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In this system, we have 64 pages of 1024 bytes each, which means that the size of the virtual address space for each process is 64 x 1024 = 65536 bytes. Since each page is 1024 bytes, the number of pages in the virtual address space is 65536 / 1024 = 64 pages.
Since we have 64 pages, we need 6 bits to represent the page number (2^6 = 64). The remaining bits in the virtual address represent the offset within the page. Each page is 1024 bytes or 2^10 bytes, so we need 10 bits to represent the offset.
Therefore, the virtual address consists of 16 bits for the page number (6 bits) and the offset (10 bits).
In this system, we have a physical memory of 32 frames. Each frame is 1024 bytes, so the total physical memory is 32 x 1024 = 32768 bytes. Since each frame is the same size as a page, we need 6 bits to represent the frame number (2^6 = 64). The remaining bits in the physical address represent the offset within the frame, which is also 10 bits.
Therefore, the physical address consists of 16 bits for the frame number (6 bits) and the offset (10 bits).
To summarize:
Virtual address size: 16 bits
Page number size: 6 bits
Offset size: 10 bits
Physical address size: 16 bits
Frame number size: 6 bits
Offset size: 10 bits
Note that these sizes are specific to the system described in the question and may differ in other systems.
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In a(n) _____ access file structure, records can be accessed in any order, regardless of their physical locations in storage media
In a(n) random access file structure, records can be accessed in any order, regardless of their physical locations in storage media.
What is random access file structure?A Random file access is known to be a form of a superimposed method that is used in a lot of Java code so that one can be able to access specific records directly and fast without searching via records in the file.
Therefore, In a(n) random access file structure, records can be accessed in any order, regardless of their physical locations in storage media.
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Suppose a computer's login mechanism first asks for a user name, and then for the password, regardless of whether or not the login name is that of a valid user. Herman the Hacker has a list of 10,000 commonly used login names, and a list of 100,000 commonly used passwords. On this computer, there are 100 accounts that have both a login name on the first list and a password on the second list. For simplicity, assume that no other accounts have either a login name or password on these lists.
Herman has written code that can attempt 1000 logins per second on this computer. This program repeatedly chooses a random login name from the first list and a random password from the second list. Compute the expected number of seconds it will take Herman to break into some account on the machine, and identify that number from the list below.
Hint: Since names and passwords are chosen randomly, repetitions are possible. It may indeed be easier to forget what names/passwords have been tried than to keep a list of what has been tried and avoid duplicate attempts. As a result, there is an easy formula for the expected number of tries. If the probability of success on any given try is p, then the expected number of tries until the first success is exactly 1/p.
A. 1.1
B. 100.1
C. 10,000
D. 1000.1
The expected number of seconds it will take Herman to break into (or hack) some account on the machine is 1.1 seconds. (Option A) See the explanation below.
What does it mean to hack a machine?The act of subverting digital systems and networks by gaining unauthorized access to a computer system or account is a popular definition of hacking.
Although hacking is not always harmful, it is most frequently linked to online crime and data theft by cybercriminals.
What is the explanation for the above answer?With 10,000 login names available, we can assume that 100 of them are accurate, as the question suggests.
The likelihood of receiving the proper login name is therefore
P 1 = 100 10,000
P1 = 0.01
In the same vein, among 100,000 password we can assume that only 100 are correct, therefore, the probability of getting the right password is.
P 2 = 100 ÷ 100,000
P2 = 0.001
That that where the probability of success on any given try is p, then the expected number of tries until the first success is exactly 1 ÷ P.
Therefore, the expected number of trials before the first successful login name is = 1÷ P11
= 1 ÷ 0.01
= 100
The above also works for the password:
1÷ P2
= 1 ÷ 0.001
=1000
Therefore, it will take 100+ 1000 = 1100 attempts to finally get the initial login name and password.
Given that Henrietta created programming that allows this computer to try 1000 logins every second.
Therefore, 1100 x 1000 sec = 1.1 sec is the anticipated time it will take Henrietta to gain access to a machine account.
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The expected number of seconds that will take to Herman to break into some account on the machine is 10.000. So Letter C.
Firstly, the probability of finding a correct login name (100) out of first list (1000) = 100/1000 = 1/100.
Second, After finding a login name, exactly one password will correspond to the found login name. As both the events are independent, hence:
Probability(p) = 1/100 x 1/100000 = 1/10000000.
Therefore, expected numbers of tries = 1/p = 10000000.
The code can attempt 1000 tries per second. So the expected numbers os seconds that will take to Herman break into some account will be:
10000000/1000 = 10.000.
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Which two settings must you configure when fortigate is being deployed as a root fortigate in a security fabric topology?
The two settings that one must configure when fortigate is being deployed as a root fortigate in a security fabric topology are:
Option A. Enables you to view the logical and physical topology of Security Fabric devices.Option C. Enables you to view the security ratings of FortiGate Security Fabric groups.What is security fabric settings?The term Security Fabric is known to be a tool that aids one or allows one's network to be able to automatically see and also dynamically isolate any kinds of affected devices.
Note that is one that can also partition network segments, update rules, and they can bring out new policies, and delete malware.
Hence, The two settings that one must configure when fortigate is being deployed as a root fortigate in a security fabric topology are:
Option A. Enables you to view the logical and physical topology of Security Fabric devicesOption C. Enables you to view the security ratings of FortiGate Security Fabric groups.See full question below
Which two Security Fabric features are on FortiManager? (Choose two.)
Select one or more:
A. Enables you to view the logical and physical topology of Security Fabric devices
B. Enables you to run security rating on FortiGate devices
C. Enables you to view the security ratings of FortiGate Security Fabric groups
D. Enables you to view and renew Security Fabric licenses for FortiGate devices
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Which of the nist cybersecurity framework functions investigates an organization’s cybersecurity management in the context of their business needs and resources?
The NIST cybersecurity framework functions that investigates an organization’s cybersecurity management in the context of their business needs and resources is the "Protect PR Function."
Cybersecurity is the defense against cyberthreats for systems linked to the internet, including their hardware, software, and data.
Individuals and businesses both utilize this technique to prevent illegal access to data centers and other digital systems.
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There are many different ways to ensure search engine optimization. Select the three that are included in the list.
a. Use keywords in Flash or JavaScript directed text. b. Use your keywords when writing descriptions of hyperlinks. c. Include as many pictures and videos as possible. d. Ask visitors to bookmark your site.
Include a < meta > tag in your header. Include a < meta > tag in your header.
The many ways to ensure search engine optimization SEO are options A, B and E:
Use your keywords when writing descriptions of hyperlinks.Use keywords in Flash or JavaScript-directed text.Include a < meta > tag in your header.What is search engine optimization?This is known to be the process of maximizing the number of visitors to a particular website by ensuring that the site appears high on the list of results returned by a search engine.
As SEO is the process of improving the quality and quantity of website traffic to a website or a web page from search engines, so is the process of ensuring that it works important.
Metadata gives a summary of basic information about data which makes finding & working with particular information much easier.
Hence, the correct answers are options A, B and E.
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Answer:
THREE ANSWERS
b. Use your keywords when writing descriptions of hyperlinks.
d. Ask visitors to bookmark your site.
e. Include a < meta > tag in your header.
________ occurs when users move their activities, especially long-running transactions, across devices.
Cloud computing occurs when users move their activities, especially long-running transactions, across devices.
What is cloud computing?Cloud is known to be a kind of network-based access that is made with communication tools along such as emails and calendars.
Note that in the case above, Cloud computing occurs when users move their activities, especially long-running transactions, across devices.
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Question 1 (True/False Worth 3 points)
(08.02 LC)
Applications require you to provide the following basic elements: social security number, experience, and favorite memories.
O True
O False
HELPPP
Answer:
False. Only Experience and sometime your social security number
Explanation:
Most job applications will require you to provide your past and current work experience. Some will ask you to provide your social security number while many of them will not. No companies will ever ask you to provide your favorite memories as a basic element in a CV or Cover Letter. It might happen on rare occasions but that would sound funny if they did.
14.0% complete Question The latest web application, using default settings, is currently accepting application programming interface (API) calls over HyperText Transfer Protocol (HTTP). The environment has a moderate key management system. Even with basic server security, the API connection is vulnerable to which of the following
The API connection that is vulnerable to:
Key discovery.Improper error handling.What is improper error handling?The term Improper Error Handling is known to be seen as a kind of a flaws that takes place if or when an error message that is known to be shown to an end user gives clues about how an application or website is running.
Hence, Since the environment has a moderate key management system, the API connection that is vulnerable to:
Key discovery.Improper error handling.Learn more about web application from
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To change the formatting of text from calibri to arial, which tool should you use?
Answer:
The Font Tool
Explanation:
Both Calibri and Arial are default fonts, thus changing from calibri to arial requires the font tool
List the steps to apply bold and italic formatting to a word.
Select the _______ command to format a paragraph aligned on both left and right sides.
The ________ tab stop is best used for aligning dollar values.
A _______ list is used for showing an order of importance.
After applying numerous character formats to a column of text you decide you would like the next column to have the same formatting. What is the most efficient way to format the next column?
Select the Justified command to format a paragraph aligned on both left and right sides.
The decimal tab stop is best used for aligning dollar values.A numbered list is used for showing an order of importance.What is formatting a document?Document formatting is known to be the method used on a document that is laid out on the page and it involves font selection, font size and others.
Note that one can Select the Justified command to format a paragraph aligned on both left and right sides.
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define the term spread sheet
Answer:
A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. Spreadsheets were developed as computerized analogs of paper accounting worksheets. The program operates on data entered in cells of a table.
Explanation:
imagine that you are explaining the art of visual comparison to a group of photography students. You are mentoring. What do you say, how would you express, explain on how they can use various techniques while inspiring to incorporate their own artistic visions.
It is to be noted that the key factor in visual art comparison is that arts pieces must always have similarities and differences.
What is comparative analysis in arts?The comparative analysis begins with a formal study of two or more individual works, followed by an additional level of conversation that examines key similarities and contrasts between the pieces.
Hence, it is better to look at the areas of similarities then look at the differences.
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For developing a mis in your business organization, you intend to launch a new is department or team. how the is function will support your business? what roles will you assign to different hired/reassigned members of the is-team. (budget is not be considered)
The function will support my business because it will help in decision making.
What is the importance of Management Information System?Management Information System can be described as the collection of Organized data that can help the organization in decision making.
Making a good decision , it will help the company to compete excellently with great profit.
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If the conditional expression in a switch statement does not match any of the case values, the _________ statement executes g
Answer:
Default
Explanation:
in programming, default block executes when there are no matching
A computer’s ____ is a collection of programs that manage and coordinate the activities taking place within the computer.
Answer:
A computer’s operating system is a collection of programs that manage and coordinate the activities taking place within the computer.
Explanation:
Examples of the 3 main operating systems include the following:
Microsoft WindowsLinuxmacOSMake a comparison list of products such as android phone on multiple e shopping sources to justify the best buy based on factors such as price and detailed specifications
A comparison to be made is between Samsung Galaxy S21 Ultra vs Samsung Galaxy S22 Ultra.
What is the product about?Their feature comparison are: is that both are 6.8 inches. In terms of Peak brightness: Samsung Galaxy S21 Ultra is known to be 1500 cd/m2 (nit) while the other is 1750 cd/m2 (nit).
Note that a lot of people go for the Samsung Galaxy S22 Ultra as it is the newest product and because it is more brighter and also more expensive.
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Files that have been compressed using the xz utility typically have the ______ extension)
Files that have been compressed using the xz utility typically have the xz extension.
What is a file?It should be noted that a file simply means.m an object on a computer that's used to store important data and information.
In this case, the files that have been compressed using the xz utility typically have the xz extension. This is the appropriate place to store the information till it's needed.
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What are the main advantages of the d-step tuning of 2023 murano’s xtronic cvt®?.
The main advantages of the d-step tuning of 2023 Murano's xtronic cvt is that:
It gives room for the transmission to quickly change ratios in regards to quick acceleration.When at higher rpm, it help one to stepped acceleration via the use of linear acceleration feel.What kind of transmission does a Nissan Murano have?It is known to have a continuously variable automatic transmission (CVT) and it is one whose only engine is said to give about a 3.5-liter V-6 that helps to bring about a lot of power.
Note that the main advantages of the d-step tuning of 2023 Murano's xtronic cvt is that:
It gives room for the transmission to quickly change ratios in regards to quick acceleration.When at higher rpm, it help one to stepped acceleration via the use of linear acceleration feel.Learn more about cars from
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What is the purpose of the package dependencies, such as those we declare in pubspec.yaml?
The purpose of the package dependencies is to provide additional functionality, which are usually downloaded from pub.
What are Package dependencies?This is referred to another package that your package needs in order to work thereby increasing its functionality. This therefore denotes a direct relationship between the both of them in this type of scenario.
It is also usually downloaded from pub and are specified in the pubspec thereby making its ability to provide additional functions due to the presence of the other and is therefore the most appropriate choice in this type of scenario.
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For accommodation of persons with special needs, call 555-555-1234, tty 711 is an example of the disclaimer that must appear in advertising for what type of event?.
This is an example of formal and informal marketing/sales type of event.
What is an informal marketing sales event?Informal marketing/sales events is known to be one that is carried out with a less structured presentation or in a kind of less formal environment.
Note that, This is an example of formal and informal marketing/sales type of event because people with special needs are known to be individuals who have health issues and need special attention. Hence a formal or informal marketing is needed for this
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If Paula requests an extension to file her individual tax return in a timely manner, the latest she could file her return without a failure-to-file penalty is:
September 15th is the latest that Paula would be able to file her return without a failure-to-file penalty.
What is the individual tax return?This is the terminology that is used to address the official form that a person would have to fill which they would need to submit to the national , state or to the local taxing agencies in the area. The statement is known to contain the taxable income that they have received over a period of time.
The income that is usually specified would be the one that was made in a previous year by the individual. Hence if If Paula requests an extension to file her individual tax return in a timely manner, the latest she could file her return without a failure-to-file penalty is September 15th.
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When you use the Check Constraints dialog box, all of the constraints are created at what level so they can refer to any of the columns in the table
All of the constraints are at the table level so they can refer to any of the columns in the table.
What is Constraints dialog box?The Constraint Definition dialog box is known to be the box that a person can select from in regards to the the Radius and Diameter or Fix option.
The definition of a constraint is known to be that thing that is known to imposes what we call a limit or a form of a restriction that tends to hinder or prevents a thing from happening.
Hence, All of the constraints are at the table level so they can refer to any of the columns in the table.
Hence, option d is correct.
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When you use the Check Constraints dialog box, all of the constraints are at the which level so they can refer to any of the columns in the table?
a.
value
b.
column
c.
database
d.
table
Alina is using a small database that uses just one table to store data. What type of database is Alina using?
A.
flat file database
B.
relational database
C.
hierarchical database
D.
wide column database
Alina is using a small database that uses just one table to store data and this is known to be option A: a flat file database.
What is a database with one table called?This is known to be a Flat file database. A flat file database is known to be a kind of a type of database that saves data in a single table.
Note that it is one that are generally seen in plain-text form, and it often one where each line holds only one record.
Note also that this databases is made up of a single table of data that is said to have no interrelation and thus Alina is using a small database that uses just one table to store data and this is known to be option A: a flat file database.
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If there is a secure socket layer in place, what will you need in addition to a user id in order to access the shared files?.
If there is a secure socket layer in place, a password is one that you need in addition to a user id in order to access the shared files.
What is a password?A Password is known to be a kind of a word, a phrase, or combination of characters that is made to differentiate an authorized user or process from any kind of unauthorized user,
Hence, If there is a secure socket layer in place, a password is one that you need in addition to a user id in order to access the shared files.
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Assume that $s0 is initialized to 11 and $s1 is initialized to 22. Suppose you executed the code below on a version of the pipeline described in the class that does not handle data hazards. What would the final values of registers $s2 and $s3 be
The final values of registers $s2 and $s3 be $s2 = 33 and $s3 = 6.
Given MIPS instructions:I1: addi $s0, $s1, 5 #$s0 = (22 + 5) = 27
I2: sub $s2, $s0, $s1
value of register $s0 will be updated in clock cycle-5 but this instruction read value of register $s0 in clock cycle-3.$s2 = (11 + 22) = 33
I3: addi $s3, $s0, -5
value of register $s0 will be updated in clock cycle-5 but this instruction read value of register $s0 in clock cycle-4.$s3 = (11 - 5) = 6
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Unlike linux and mac systems, on a windows system, the ping command sends how many echo requests?
Unlike Linux and mac systems, on a windows system, the ping command sends how many echo requests: 4 echo requests.
What is an Echo Request?This refers to the computer protocol that is used to send requests to another computer network until an acknowledgment has been received and is used to check for the availability of another system.
Hence, we can see that on the Linux and mac systems, the echo requests are sent until a ping is received, but with a Windows system, there is only 4 echo requests used.
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A new pet supply company plans to primarily sell products in stores. They need a system that will track their large inventory and keep customer sales records.
Which evaluation factor will be most important when choosing technology for the company?
speed
size
storage
connectivity
The evaluation factor that will be most important when choosing technology for the company is known as storage .
What is an evaluation factor?An Evaluation factor is made up of those key areas that are said to be of importance and tells more about source selection decision.
Note that The evaluation factor that will be most important when choosing technology for the company is known as storage because it is a factor that need to be considered.
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Which tool can you use to remotely manage a system using a graphical user interface?
The tool that can be used to remotely manage a system using a graphical user interface is Graphical Microsoft Management Console.
What is graphical user interface?A GUI (graphical user interface) serves as a system of interactive visual components that is found in computer software.
It help in displaying objects that convey information, as well as representing actions that can be taken by the user.
Microsoft Management Console which is part of component of Windows 2 provides system administrators and advanced users .
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Which principle is in effect when an analyst has a lower level of access than a client account lead (cal) working on the same project?
The The Principle of Least Privilege is known to be the principle that is in effect when an analyst has a lower level of access than a client account lead (cal) working on the same project.
What is the Principle of Least Privilege?The Principle of Least Privilege is known to be one that tells that a subject is one that need to be given only those privileges that are said to be required for it to complete its task.
Note that If a subject is not able to or do not need an access right, the subject is one that need not to have that right. hence, the function of the subject should be the one that will control the assignment of rights.
Therefore, in regards to the above, The The Principle of Least Privilege is known to be the principle that is in effect when an analyst has a lower level of access than a client account lead (cal) working on the same project.
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Write an SQL query for the HAPPY INSURANCE database that will, for each client of the agent named Amy, list the client's name and the name of the client's agent.
The SQL Query for the HAPPY INSURANCE database given above is:
SELECT ClientName, AgentName FROM Client, Agent WHERE ClientAgent = AgentID and AgentName = 'Amy';
Structured Query Language (SQL) is a computer language that is used to manage relational databases and execute different operations on the data contained inside them.
This implies that the above code will only work where there is a database to manage.
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