The term 'bursting' refers to a pattern of scheduling where during prime time the same commercial runs every half hour on the same network.
Bursting is a mobile marketing mechanism where advertisements or commercials spend is concentrated in a short period of time in an attempt to obtain as many users as possible. The goal of bursting is o generate a vast amount of downloads in a very short period of time in order to push promotion. This tactic of scheduling where at peak time the same commercial is shown every half hour over the same network.
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Which of the following scheduling algorithms majorly suffer from starvation?
a)FCFS
b)Round-Robin
c)Priority
d)SRTF
The scheduling algorithm that majorly suffers from starvation is option C) Priority.
In priority scheduling, processes are assigned priority levels, and the CPU is allocated to the process with the highest priority. However, if a process with a low priority continuously arrives, it may never get a chance to execute, leading to starvation. This means that lower priority processes can be indefinitely delayed or starved of CPU time, resulting in poor system performance.
Option C) Priority is the correct answer as it specifically mentions the scheduling algorithm that is prone to starvation due to the potential neglect of lower priority processes in favor of higher priority ones.
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What is the average rate of change of h(x)=2^{x+1}h(x)=2 x+1 h, (, x, ), equals, 2, start superscript, x, plus, 1, end superscript over the interval [2,4][2,4]open bracket, 2, comma, 4, close bracket?
Answer:
Average Rate = 12
Explanation:
Given
h(x) = 2^(x + 1)
Interval = [2,4]
Required
Determine the average rate of change
The average rate of change of h(x) is calculated using.
Average Rate = (h(b) - h(a))/(b - a)
Where
[a,b] = [2,4]
Meaning a = 2 and b = 4
So, the formula becomes:
Average Rate = (h(4) - h(2))/(4 - 2)
Average Rate = (h(4) - h(2))/2
Average Rate = ½(h(4) - h(2))
Calculating h(4)
h(4) = 2^(4+1)
h(4) = 2⁵
h(4) = 32
Calculating h(2)
h(2) = 2^(2+1)
h(2) = 2³
h(2) = 8
So, we have:
Average Rate = ½(h(4) - h(2))
Average Rate = ½(32 - 8)
Average Rate = ½ * 24
Average Rate = 12
Hence, the average rate of change is 12
Which of the following is a network vulnerability scanner? (Choose two.) A) Nessus B) Keylogger C) Nbtstat D) Nmap E) pathping
The network vulnerability scanners among the given options are Nessus and Nmap.
How are Nessus and Nmap categorized as network vulnerability scanners?Nessus and Nmap are both widely recognized network vulnerability scanners that help organizations identify and address security vulnerabilities within their computer networks. Nessus is a powerful and comprehensive vulnerability scanning tool that scans networks, systems, and applications for known vulnerabilities. It provides detailed reports and recommendations to help prioritize and mitigate potential risks.
Nmap, on the other hand, is a versatile network exploration and auditing tool that can also be used for vulnerability scanning. It helps discover hosts, services, and open ports, allowing security professionals to identify potential entry points for attacks. Both Nessus and Nmap play crucial roles in ensuring the security of networks by enabling proactive vulnerability management and risk reduction.
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Consider a B+ tree being used as a secondary index into a relation. Assume that at most 2 keys and 3 pointers can fit on a page. (a) Construct a B+ tree after the following sequence of key values are inserted into the tree. 10, 7, 3, 9, 14, 5, 11, 8,17, 50, 62 (b) Consider the the B+ tree constructed in part (1). For each of the following search queries, write the sequence of pages of the tree that are accessed in answering the query. Your answer must not only specify the pages accessed but the order of access as well. Assume that in a B+ tree the leaf level pages are linked to each other using a doubly linked list. (0) (i)Find the record with the key value 17. (ii) Find records with the key values in the range from 14 to 19inclusive. (c) For the B+ tree in part 1, show the structure of the tree after the following sequence of deletions. 10, 7, 3, 9,14, 5, 11
The B+ tree structure after the sequence of deletions (10, 7, 3, 9, 14, 5, 11) results in a modification of the tree's structure.
(a) Constructing a B+ tree after the given sequence of key values:
The B+ tree construction process for the given sequence of key values is as follows:
Initially, the tree is empty. We start by inserting the first key value, which becomes the root of the tree:
```
[10]
```
Next, we insert 7 as the second key value. Since it is less than 10, it goes to the left of 10:
```
[10, 7]
```
We continue inserting the remaining key values following the B+ tree insertion rules:
```
[7, 10]
/ \
[3, 5] [9, 14]
```
```
[7, 10]
/ \
[3, 5] [9, 11, 14]
```
```
[7, 10]
/ \
[3, 5] [8, 9, 11, 14]
```
```
[7, 10]
/ \
[3, 5] [8, 9, 11, 14, 17]
```
```
[7, 10, 14]
/ | \
[3, 5] [8, 9] [11] [17]
\
[50, 62]
```
The final B+ tree after inserting all the key values is shown above.
(b) Sequence of pages accessed for the search queries:
(i) To find the record with the key value 17:
The search path would be: [7, 10, 14, 17]. So the sequence of pages accessed is: Page 1 (root), Page 2 (child of root), Page 3 (child of Page 2), Page 4 (leaf containing 17).
(ii) To find records with key values in the range from 14 to 19 inclusive:
The search path would be: [7, 10, 14, 17]. So the sequence of pages accessed is the same as in (i).
(c) Structure of the tree after the given sequence of deletions:
To show the structure of the tree after the deletion sequence, we remove the specified key values one by one while maintaining the B+ tree properties.
After deleting 10:
```
[7, 14]
/ | \
[3, 5] [8, 9] [11, 17]
\
[50, 62]
```
After deleting 7:
```
[8, 14]
/ | \
[3, 5] [9] [11, 17]
\
[50, 62]
```
After deleting 3:
```
[8, 14]
/ | \
[5] [9] [11, 17]
\
[50, 62]
```
After deleting 9:
```
[8, 14]
/ | \
[5] [11, 17]
\
[50, 62]
```
After deleting 14:
```
[8, 11]
/ \
[5] [17]
\
[50, 62]
```
After deleting 5:
```
[11]
/ \
[8] [17]
\
[50, 62]
```
After deleting 11:
```
[17]
/ \
[8] [50, 62]
```
The final structure of the tree after the deletion sequence is shown above.
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Outline four types of cyber law.
Answer:
Fraud, Copyright, Defamation, Harassment and Stalking, Freedom of Speech, Trade Secrets, and Contracts and Employment Law.
Explanation:
These are the major areas of cyber law.
3. (10 pts) Tommy has an extensive collection of digital photos taken during adventures in nature and
biking trips over the years. They are currently stored on his computer's hard drive. He d like to
make back-up copies of them on USB flash drives. Suppose one flash drive has a 32 GB capacity and each image file has a size of 12.5 MB.
If each flash drive can store/transfer photos at a rate of 60 MBps (Megabytes per second), how long would it take to transfer the entire collection from the hard drive to the flash drive?
If each flash drive can store/transfer photos at a rate of 60 MBps (Megabytes per second) than it will take 30 minutes to transfer the entire collection from the hard drive to the flash drive.
Who has extensive collection of digital photos?Tommy has an extensive collection of digital photos taken during adventures in nature and biking trips over the years. They are currently stored on his computer's hard drive. He d like to make back-up copies of them on USB flash drives. Suppose one flash drive has a 32 GB capacity and each image file has a size of 12.5 MB.
This ultimately implies that, an operating system (OS) acts as an interface (intermediary) between an end user and the hardware portion of the computer system (computer hardware) in the processing and execution of instructions, including the management of the random access memory (RAM).
Therefore, If each flash drive can store/transfer photos at a rate of 60 MBps (Megabytes per second) than it will take 30 minutes to transfer the entire collection from the hard drive to the flash drive.
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Problem 3( 2 Marks) Given :u= 0,1,3,-6) and v = (-1,1,2,2), a- Compute the projection of u along v. b- Compute the projection of v along u.
Projections of the vector is given as;
a) The projection of u along v is: (-0.5, 0.5, 1, 1)
b) The projection of v along u is: (0, 0, 0, 0)
To compute the projection of one vector onto another, we use the formula:
proj_v(u) = ((u . v) / (v . v)) * v
where "u . v" denotes the dot product of u and v, and "v . v" represents the dot product of v with itself.
a) Projection of u along v:
u . v = (0 * -1) + (1 * 1) + (3 * 2) + (-6 * 2) = -2 + 2 + 6 - 12 = -6
v . v = (-1 * -1) + (1 * 1) + (2 * 2) + (2 * 2) = 1 + 1 + 4 + 4 = 10
proj_v(u) = (-6 / 10) * (-1, 1, 2, 2) = (-0.6, 0.6, 1.2, 1.2) ≈ (-0.5, 0.5, 1, 1)
b) Projection of v along u:
v . u = (-1 * 0) + (1 * 1) + (2 * 3) + (2 * -6) = 0 + 1 + 6 - 12 = -5
u . u = (0 * 0) + (1 * 1) + (3 * 3) + (-6 * -6) = 0 + 1 + 9 + 36 = 46
proj_u(v) = (-5 / 46) * (0, 1, 3, -6) = (0, -0.11, -0.33, 0.67) ≈ (0, 0, 0, 0)
The projection of vector u along v is approximately (-0.5, 0.5, 1, 1), indicating how much of u aligns with the direction of v. On the other hand, the projection of vector v along u is (0, 0, 0, 0), suggesting that v is orthogonal or perpendicular to u. Calculating projections helps in understanding the relationship between vectors and can be useful in various mathematical and engineering applications, such as solving systems of linear equations, analyzing vector spaces, or performing vector-based computations.
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please help me i dont know
Please help me with this lab I will give brainliest . It's about binary search tree. The instructions are in the files please help me.
prove that {0a 1b 0c : b ≠ a c; a, b, c ≥ 0} is a context-free language.
We can construct a CFG that generates this Language, we have proven that {0a 1b 0c : b ≠ a c; a, b, c ≥ 0} is a context-free language.
To prove that {0a 1b 0c : b ≠ a c; a, b, c ≥ 0} is a context-free language, we need to construct a context-free grammar (CFG) that generates it.
First, we can define a nonterminal symbol S to represent the language. Then, we can split the language into two parts: one where b > a c, and one where b < a c. For the first part, we can define the production rules:
S -> 0S1 | A
A -> 0A | B
B -> 1B0 | 1C
C -> 0C | ε
These rules ensure that the number of 0s before the 1 is greater than the number of 0s after it. For the second part, we can define the production rules:
S -> 0S1 | D
D -> 0D1 | E
E -> 0F | 1E
F -> 1F0 | ε
These rules ensure that the number of 0s after the 1 is greater than the number of 0s before it.
Since we can construct a CFG that generates this language, we have proven that {0a 1b 0c : b ≠ a c; a, b, c ≥ 0} is a context-free language.
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To prove that the language L = {0a 1b 0c : b ≠ a c; a, b, c ≥ 0} is a context-free language, we need to provide a context-free grammar (CFG) that generates this language.
Here is one possible CFG for L:
S -> 0S0 | A
A -> 0A1B | ε
B -> 1B | C
C -> 0C | ε
The nonterminal S generates strings of the form 0a 1b 0c where b = a + k and c = a + j for some nonnegative integers k and j (i.e., b ≠ c). The production rule 0S0 generates such strings where a > 0, while A generates the empty string and strings of the form 0a 1b where b = a. Nonterminal B generates strings of the form 1b where b > a, and C generates strings of the form 0c where c > a.
To see that this CFG generates L, we can show that every string in L can be derived from the start symbol S using the production rules of the grammar.
Consider an arbitrary string w = 0a 1b 0c in L, where b ≠ c. There are two cases to consider:
Case 1: a = 0. In this case, we have b ≠ c and b, c ≥ 1. Thus, we can derive w as follows:
S -> A -> 0A1B -> 01B -> 0C01B -> 0c1B -> 0c1c -> 0b1c -> 0a1b0c = w
Case 2: a > 0. In this case, we have b > a and c > a. Thus, we can derive w as follows:
S -> 0S0 -> 0A0 -> 0a1B0 -> 0a1bC0 -> 0a1bc0 -> 0b1c0 -> 0a1b0c = w
Therefore, we have shown that every string in L can be generated by the CFG, which proves that L is a context-free language.
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True or Fale A criminal defense attorney's main focus is to convict the accused of a crime, and a state prosecutor is to defend the accused of the crime
Answer:
true i guess......
Explanation: sorry if this is wrong
The___ of a variable is determined by which parts of a program can view and change its value
The missing word is scope. Wherever a variable is declared, is its scope. A variable can be manipulated or called on only in its scope.
The scope of a variable is determined by which parts of a program can view and change its value. The correct option is C.
What is a variable?A variable in programming is a value that can change depending on the conditions or information passed to the program.
A program is typically made up of instructions that tell the computer what to do and data that the program uses while running.
Variables are used to store data that can be accessed and manipulated by a computer program. They also allow us to label data with descriptive names, making our programs easier to understand for both the reader and ourselves.
In layman's terms, a variable's scope is its lifetime in the program. This means that the scope of a variable is the entire program's block of code where the variable is declared, used, and can be modified.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
influence
magnitude
scope
range
Once the CPU has fetched the data requested, what are the next steps in the process?
A
execute, articulate
B
perform, execute
C
decode, analyze
D
decode, execute
MULTIPLE CHOICE
Answer:
D. decode execute
Explanation:
Sara is developing a website for her friends to share their art projects. She designed a sign-up process so a user can first create an account with a unique STUDENT ID as a username and then enter a valid email address for further communication. Answer plz
Answer:
Explanation:
The two main things that I believe should be changed would be to require that the new user create a password alongside the Student ID and remove the email address from the sign-up process, instead add the e-mail to the students profile. Doing so would make sure that every student has their own personal account and no-body else can enter their account and take credit for their work. Also, by having the email address in the students profile, anyone that likes their work can easily click on their profile to see their email and send them a message if they need to.
Which of the keyword is used to display a customized error message to the user in python?
Answer:
By using try: & except: method.
Explanation:
A key and scale are important components in what visual aid?
pie charts
line graphs
maps
diagrams
Answer:
mapsExplanation:
I hope it's help you
Where would be the best location for the feedback sensor in a closed loop temperature conrolled oven?
The control system which uses its feedback signal to generate output is called ” closed loop control system”. Examples: Automatic Electric Iron, An Air Conditioner etc. Closed loop systems can automatically correct the errors occurred in output by using feedback loop.
\( \: \)
In the lesson, you learned about the various uses of computers in manufacturing, from design to the control of manufacturing processes. Write a short report about the advantages and main features of CAD. Discuss the main applications of CAM as well.
Some of the main features of Computer Aided Design:
(CAD) are:
Glassworking, woodturning, metallurgy and spinning, and graphical refinement of the entire production technique are some of the key uses of the Computer Aided Manufacturing (CAM) system. CAM systems are used to create solids of rotation, flat surfaces, and screw threads.
What is CAD?The use of computers to help in the development, alteration, analysis, or optimization of a design is known as computer-aided design.
This program is used to boost the designer's efficiency, improve design quality, improve communication through documentation, and develop a database for production.
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what is the best reason to use an unsorted vector of key-value pairs over an open addressing hash table
A hash table or hash map is a type of data structure that links keys and values.
A hash table is a collection of lists of elements in Java. Buckets are the names given to these lists.
It connects the keys and values. Java's "Hash Table" class is in charge of creating hash tables. This class implements the map interface and derives from the dictionary class.
Here are a few of Java's Hash table's distinguishing characteristics:
It is an array whose individual elements are lists or buckets.
It has distinguishing qualities.
There is no such thing as a null key or null value in the hash table.
similar to a hash map but synced
Java Hash Table Class
This class is a part of Java's java.util package. Consequently, we must add one of the following statements to our application in order to incorporate the capabilities of the Hash Table class.
bring in java.util. *;
OR
bring up the Java.util.HashTable;
A general class declaration for the java.util package is provided below.
Hash Table type:
In this situation, K => type of mapped values V => the hash table's key types
The Hash Table class works properly thanks to the constructors that are used to build the class objects and the multiple operations or methods that are provided in the class.
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edhesive 3.3 lesson practice
Answer:
Consider the following code:
if (x > 5 AND x <= 10):
print(OK)
Click all the mistakes that apply:
AND should be and
The print (OK) should be print ("OK")
The blue section of the following Venn diagram could represent which of the following Boolean statements?
not
The following code will not compile. Which of the options below would allow the code to compile and run as intended?
if (x >= -10 and <= 10):
print("In range")
if (x >= -10 and x <= 10):
Which one is the microscope unicellular prokaryotic organisms? i.monera ii.animalia iii.protist iv.fungi
The answer is iv.fungi.
what is an example of an absolute cell reference
Answer:
Absolute cell referencing uses dollar sign with the row number and column name. When any formula with absolute referencing is copied, the cell addresses used remain the same.
Explanation:
What is a signature?
a distinctive characteristic of a virus or virus family
an anti-spyware feature of Windows 7
a computer program that replicates itself and damages a computer system
a program that tracks a user’s activities online
Answer:
option a
never heard of b, c would be called a virus and d a cookie
Type the correct answer in the box. Spell all words correctly.
What does Clara create that programmers can use to write code?
Clara works in a software development company. Her boss identifies that she has strong problem-solving skills. Clara’s boss places her on the planning team to create____ for programmers.
This is for Edmentum final! thanks
Answer:
design documents
Explanation:
Usually, in a software development company or information technology (IT) department, software is developed through a team effort. Such teams have programmers and various other professionals, such as software developers and engineers. These professionals perform parts of the entire software development process. For example, the programmer is not the only person in a team who can formulate a solution to a problem. Many times, software developers and system analysts do this. They create design documents for the programmer to follow. Based on these design documents, a programmer writes the code for the program.
Corinne would like to click on the link at the bottom of a Web page but she only sees the top portion of the page. She should _____. A.click twice on the status bar
B.use the scroll bar to scroll down to the bottom of the page
C.click on the back button
D.click on the display window and drag it up
Answer:
B
Explanation:
from 3dg3
Answer:
D.click on the display window and drag it up
-
Which of the following is an example of academic integrity?
A. You work on each assignment mostly by yourself
B. You don't copy work or allow others to copy your work
c. You look up answers on the internet without citing the source
D. You work with close friends on assignments without instructor approval
Answer:
B. You don't copy work or allow others to copy your work
Explanation:
The example of academic integrity is that you don't copy work or allow others to copy your work. The correct option is B.
What is academic integrity?The moral code or ethical policy of academics is known as academic integrity. The R.C., regarded as the "grandfather of academic integrity," popularised the phrase.
Being honest, fair, polite, and responsible in your studies and academic work is referred to as having academic integrity.
It entails acting in accordance with these ideals both when producing your own work and engaging with that of others.
Academic integrity is the practise of doing learning, teaching, and research with the principles of honesty, trust, fairness, respect, and responsibility.
Students, teachers, researchers, and all other staff members should act honestly, take responsibility for their choices, and be fair in all aspects of their job.
Thus, the correct option is B.
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what type of cable connects an idf to the mdf
The type of cable that connects an IDF (Intermediate Distribution Frame) to the MDF (Main Distribution Frame) is typically a fiber optic cable.
Fiber optic cables are used for this connection because they can transmit data at high speeds over long distances without any loss of signal quality. This makes them ideal for connecting different parts of a network together, such as an IDF to the MDF.
Ultimately, the type of cable used to connect an IDF to an MDF will depend on a variety of factors, including the specific networking equipment and infrastructure in use, as well as the requirements of the network being deployed.
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People who make money investing in the stock market.....
A) get certain tax breaks.
B) should sell quickly to avoid taxes.
C) have to pay a fee to keep a stock.
D) must pay taxes on profits.
The answer is D ^^^
Answer:
D must pay taxes on profits.
Explanation:
python assignment 1
Answer: what is the assignment?
Explanation:
What is the lie factor of a visualization that is completely faithful to the data?
The lie factor of a visualization that is completely faithful to the data is 1:1 or 100%.
A visualization that is completely faithful to the data means that the visualization accurately and correctly represents the data. In such a visualization, there is no distortion of the data, and the scale used is appropriate. In other words, there are no discrepancies between the data and its representation.When there are discrepancies between the data and its representation, it leads to an inaccurate representation of the data, known as the lie factor. The lie factor is a measure of how much the representation of the data is distorted.
It is calculated by dividing the size of the effect shown in the visualization by the size of the effect in the data. The lie factor is always greater than 1, indicating that the representation of the data is distorted. If the visualization is completely faithful to the data, then the lie factor is 1:1 or 100%, indicating that the representation is accurate.
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