the process of recovering plaintext from ciphertext without knowledge of how the encryption was done is known as
Answers
The process of recovering plaintext from ciphertext without knowledge of how the encryption was done is known as Cryptanalysis.
What is Cryptanalysis?Cryptanalysis, often known as code-breaking or cryptography, is the study of how cryptographic systems work and how to exploit their vulnerabilities. Cryptanalysis employs mathematical concepts and algorithms to decode encrypted messages.
Cryptanalysis can be broken down into two categories: symmetrical and asymmetrical cryptography. Symmetrical cryptography involves encrypting and decrypting messages using the same key, while asymmetrical cryptography involves using one key for encryption and another for decryption. Cryptanalysis is also used to assess the security of a cryptographic system. When a cryptanalyst can successfully decrypt a system's code, it is deemed to be insecure, and the encryption algorithm must be changed.
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Related Questions
CHOOSE THE CORRECT CONTINUOUS TENSES( PRESENT CONTINUOUS,PAST CONTINUOUS AND FUTURE CONTINUOUS) : 1. I saw a snake while I ____________________ in the forest. am walking was walking will be walking will walk
Answers
Answer:
Explanation:
joe biden>
Amara is designing a website to encourage people in a city to vote in local elections. She wants to include a web page that shows first-time voters the steps to follow to register and vote in the elections. How can Amara best use multimedia to show the voting process on the web page?
A.
by providing a paragraph of instructions with pictures
B.
by providing an audio file along with downloadable pictures
C.
by creating a brief animation with optional text instructions
D.
by creating a static slideshow of the steps showing just pictures
E.
by adding automatically playing audio with text instructions
Answers
Answer:
c.
by creating a brief animation with optional text insturctions
Hope this helps! Brainliest please
5. Write
the
steps.
open
MS-
powerpoin
to
Answers
Answer:
Explanation:
1. Go to start ·
2. Then click on 'All programs' ·
3. Then go to Microsoft office ·
4. Click on 'Power point .
Hope it helped you. Plz mark me brainliest.
is cheque money? give reason
Answers
Answer:
Cheque is not money. cheque is a paper instructing the bank to pay a specific amount from the person's account to the person in whose name the cheque has been drawn. The facility of cheque against demand deposits makes it possible to directly settle the payments without the use of withdrawal.
Explanation:
Any two differences between third and fourth generation of computer
Answers
Answer:
Third generation computer use integrated circuit(IC) and it was fast and reliable.
Forth generation computer micro computer were introduced and they were highly reliable and fast.
Forth generation computer were developed in 1971 AD.They used micropocessor.
Whenever an e-mail, image, or web page travels across the internet, computers break the information into smaller pieces called.
Answers
Answer:Packet: The fundamental unit of data transmitted over the Internet. When a device intends to send a message to another device (for example, your PC sends a request to YTube to open a video), it breaks the message down into smaller pieces, called packets.
Explanation:
Whenever an e-mail, image, or web page travels across the internet, computers break the information into smaller pieces called Packets.
What is an email?The exchange of communications using electronic equipment is known as electronic communication. The email was created as the electronic equivalent of mail at a period when "mail" solely referred to postal mail.
The fundamental unit of the data that is transmitted from one source to another with the help of an intermediate is called a packet. And whenever another device is a breakdown or a message is to be delivered it is delivered in a form of smaller pieces. These are called data bits. Often with the help of a network, it transmits the data, not in a single piece button but multiple pieces. This helps the data to travel fast.
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If you wish to install a new OS without disturbing the old one so that you can boot to either OS, what type of boot setup should you create
Answers
There are different kinds of installations of system software. If you wish to install a new OS, the type of boot setup that one should create a dual.
A dual boot, or multiboot when used, allows one to be able to install a new OS without hindering the activity of the old one, so that one can boot to either OS.
Multi-booting is simply known as the process whereby a person installs multiple operating systems on a single computer, and being able to choose which one to boot.
Dual-booting is a very common configuration that is known to all. It pertains to two operating systems.
See full question below
If you wish to install a new OS without disturbing the old one so that you can boot to either OS, what type of boot setup should you create?
dual
cross
controlled
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what are tradeoffs of increasing the level of privacy you have in your web browser?
Answers
Tradeoffs: Reduced convenience, compatibility issues, limited website functionality, increased effort for customization, impact on targeted content and services.
What are the key components of a computer's central processing unit (CPU)?Increasing the level of privacy in your web browser comes with several tradeoffs:
Reduced convenience: Enhanced privacy measures often involve disabling or limiting certain features that rely on tracking or data collection. This can result in a less personalized browsing experience, as features like personalized recommendations, targeted advertisements, and autofill options may be affected or disabled.Compatibility issues: Some websites and services rely on tracking mechanisms or third-party cookies to function properly. By increasing privacy settings, you may encounter compatibility issues or limitations when accessing certain websites or utilizing specific features that require tracking or data sharing.Limited website functionality: Privacy-enhancing measures, such as blocking certain scripts or disabling cookies, can impact the functionality of certain websites. Some websites may require cookies for login authentication, session management, or other essential functions. Disabling these features may result in reduced functionality or the inability to access certain websites or services.Increased effort for customization: Increasing privacy often involves configuring and managing various settings and extensions in your web browser. This requires a level of technical knowledge and effort to ensure optimal privacy settings while maintaining functionality and compatibility with desired websites and services.Impact on targeted content and services: Enhanced privacy measures can limit the ability of websites and online services to personalize content and recommendations based on your browsing history and preferences. While this can enhance privacy, it may also result in a less tailored experience, as you may miss out on targeted content, personalized recommendations, or customized services.It's important to strike a balance between privacy and functionality according to individual preferences and needs.
Adjusting privacy settings and using privacy-focused browser extensions can help enhance online privacy while considering the tradeoffs involved.
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true or false? the international organization for standardization (iso) published the ieee 802 local area network (lan)/metropolitan area network (man) standards family.
Answers
False.The IEEE 802 Local Area Network (LAN)/Metropolitan Area Network (MAN) Standards family was developed by the Institute of Electrical and Electronics Engineers (IEEE), not by the International Organization for Standardization (ISO).
The IEEE 802 standards define the specifications for the physical and data-link layer protocols of computer networks, including Ethernet and Wi-Fi. The IEEE 802 Local Area Network (LAN)/Metropolitan Area Network (MAN) standards family was published by the Institute of Electrical and Electronics Engineers (IEEE), not the International Organization for Standardization (ISO). The IEEE 802 standards define the specifications for the physical and data-link layer protocols of computer networks, including Ethernet and Wi-Fi.
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Write a program whose input is a string which contains a character and a phrase, and whose output indicates the number of times the character appears in the phrase. Ex: If the input is: n Monday the output is: 1 Ex: If the input is: z Today is Monday the output is: 0 Ex: If the input is: n It's a sunny day the output is: 2
Answers
Answer:
import java.io.*;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String s;
while ((s = in.readLine()) != null) {
int total = 0;
for (char character : s.toCharArray()) {
if (s.charAt(0) == character) {
total++;
}
}
System.out.println(total - 1);
}
}
}
Explanation:
We start the program by using the BufferedReader which will allow input from the user.
Then, we create a variable String that will take the input from the user.
Since the problem is asking us for the total number of times that the specified character appeared in the String, we will have to iterate over that String and count every time the character is found.
For this, I initialized an integer variable total, that takes count every time the character is found.
Using a for each loop, I converted the string to a character array (e.g. instead of a String "Monday", it will now look like {"M", "o", "n", "d", "a", "y"). It will iterate for each character it finds and checks if the character at position 0 is the same as the character at position i.
If the condition is true, then the total will increment by one.
But the problem is, since we converted the string into a character array to validate each character, the initial character will also add to the sum. So for "n Monday", it will take the first n, and add the total + 1.
Without specifying total - 1, "n Monday" will output 2 since there are two total "n".
There is a limitation, which wasn't specified in the problem statement anyway, but it's good to be aware of in case you need to solve it. If you want to check all of the characters that must equal the character you want to validate, irrespective of upper or lowercase, you will have to convert the string to lowercase first, so that the program will take the uppercase letters into account as well.
For that, before the for each statement, simply add s = s.toLowerCase();
What is a Boolean Expression?
A) Statements that only run when certain conditions are true
B) Something a program checks to see whether it is true before deciding to take an action
C) An expression that evaluates to true or false
Answers
In computer science, a Boolean expression is an expression used in programming languages that produces a Boolean value when evaluated. A Boolean value is either true or false.
( Lol. I’m in 7th grade doing college work, so this was fun to answer! )
What role does the symbol table play in a compiler?
a Records the number of syntax errors
b Serves as the database of information about the program
c Stores the reserved words
d Allows high-quality error messages
Answers
Symbol Table is an important data structure created and maintained by the compiler in order to keep track of semantics of variables.
Lexical and syntax analysis steps are already built in.
The information is gathered by the compiler's analysis stages, and it is used by the synthesis stages to produce code.
The compiler makes use of it to maximize compile-time effectiveness.
The following phases of the compiler make use of it:
Lexical analysis: Adds new table entries, such as those about tokens, to the table.
Analysis of syntax: Adds details to the table about attribute type, scope, dimension, line of reference, use, etc.
Uses the data in the table to check for semantics, i.e., to ensure that expressions and assignments are semantically correct (type checking), and updates the table as necessary.
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What are the components of intel motherboard
List many
Answers
Answer:
1. Mouse & keyboard : There are two types of keyboard and mouse connectors. ...
2. USB (Universal serial bus) : USB is Universal 3. 4. serial bus.
5. Parallel port : ...
6. CPU Chip : ...
7. RAM slots : ...
8. Floppy controller : ...
9. IDE controller : ...
10. PCI slot :
Which storyboard technique does the diagram depict? For which website would you use this technique?
The diagram depicts the _______ storyboarding technique. This technique is ideal for storyboarding ______________
First Blank Options:
1. Wheeled
2. Webbed
3. Linear
4. Hierarchical
Second Blank Options:
1. A personal website
2. A single product website
3. An e-commerce website
4. A company website with many products
Thank you! :)
Answers
Answer:
Webbed; I dont know the second blank but i would say a company with many products
Explanation:
Plato
The storyboard technique does the diagram depict Webbed and it is used on A company website with many products.
What are web services?A web service is known to be a kind of software system that aids the works of machine-to-machine interaction through the use of a network.
Note that the above diagram is one where the diagram depicts the Webbed storyboarding technique. This technique is ideal for storyboarding company website with many products.
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First, read in an input value for variable valCount. Then, read valCount integers from input and output each integer on a newline followed by the string" reports.".
Ex: If the input is 3 70 65 75, the output is:
70 reports.
65 reports.
75 reports.
Answers
Answer:
The program in Python is as follows:
valCount = int(input())
reports = []
for i in range(valCount):
num = int(input())
reports.append(num)
for i in reports:
print(i,"reports.")
Explanation:
This gets input for valCount
valCount = int(input())
This creates an empty list
reports = []
This gets valCount integer from the user
for i in range(valCount):
num = int(input())
Each input is appended to the report list
reports.append(num)
This iterates through the report list
for i in reports:
This prints each element of the report list followed by "reports."
print(i,"reports.")
Assignment: Blues Progression
Blues is a sub-genre of jazz that follows some specific guidelines: specifically, the Blues scale and the Blues chord progression.
In this assignment, you’ll write out a 12-bar Blues chord progression. This assignment is a MuseScore assignment. Do not turn in this document for grading.
Directions:
1. Create a new document in MuseScore
a. For the title, write “MuseScore Assignment: Blues”.
b. For the composer, write your name., then click "next".
c. Under "general", choose “Grand Staff”, then click “Next”.
d. Choose G major for your key signature (1 sharp), then click next.
e. Choose “Piano” (in the Keyboards section) for your instrument. (This step may or may not show for you. It's ok either way!)
f. Choose 4/4 for your Time Signature and 12 measures for number of measure.
g. Click “Finish”.
2. In the Bass Clef, write out a 12-bar Blues Chord Progression.
a. Use whole notes for your chords
b. I – I – I – I – IV – IV – I – I – V7 – IV – I – V7
Save your assignment (with your name!) and submit it to the Composition: Blues Progression Dropbox basket. Turn in the MuseScore file only.
Answers
Explanation:
I can provide you with the 12-bar Blues chord progression as you requested:
In the key of G major:
I (G) – I (G) – I (G) – I (G)
IV (C) – IV (C) – I (G) – I (G)
V7 (D7) – IV (C) – I (G) – V7 (D7)
The Roman numerals in parentheses represent the chords to play in each measure, and the chord names outside the parentheses indicate the actual chords to play in the key of G major.
1. Design and develop the Simulink model in MALAB for the given output waveform . a) IVodeling or biock in Simuinn b) Interpret the output and shown result
Answers
The output waveform can be interpreted and shown using the Scope block or other relevant blocks.
To design and develop the Simulink model in MATLAB for the given output waveform, follow the steps given below:
Step 1:
Open MATLAB and select Simulink model.
Step 2:
From the Simulink Library Browser, drag and drop the necessary blocks required for the model.
Step 3:
Double click on the Signal Source block and set the desired output waveform.
For example, you can choose the Sine Waveform from the drop-down list and set the Amplitude and Frequency values.
Similarly, you can also set the waveform for other blocks like Gain block, Integrator block, etc.
Step 4:
Connect the blocks according to the given output waveform.
Step 5:
Double click on the Scope block and set the desired output display format.
For example, you can choose the Time scope from the drop-down list and set the Time Span and other display parameters.
Step 6:
Click on the Run button to run the simulation and interpret the output waveform.
You can also view the results in the form of a graph or table.
For example, you can choose the XY Graph or To Workspace block to view the results.
The Simulink model for the given output waveform can be designed and developed by following the above steps.
The output waveform can be interpreted and shown using the Scope block or other relevant blocks.
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which of the following ipv6 address is valid? (select all valid choices) a) fe50:0:0:0:2a:ff:0:4ca2 /8 b) ff0::4ca/16 c) ff02:0:0:0:4aj:ff:ff:9/128 d) 2001::0:130f::ff:0:0 /48
Answers
The valid IPv6 address among the given options is b) ff0::4ca/16. This address follows the correct formatting rules and includes a valid subnet mask. Options a), c), and d) have various issues, such as incorrect subnet masks, invalid hexadecimal digits, or incorrect notation of double colons.
To determine which of the given IPv6 addresses are valid, we need to analyze each address and check for any invalid components or formatting errors. Let's evaluate each option:
a) fe50:0:0:0:2a:ff:0:4ca2 /8
This address seems to have 8 blocks separated by colons. However, the last block "4ca2" contains more than 4 hexadecimal digits, which is not valid for an IPv6 address. Additionally, the "/8" at the end indicates an incorrect subnet mask for an IPv6 address. Therefore, option a) is invalid.
b) ff0::4ca/16
This address uses double colons "::" to represent multiple consecutive blocks of zeroes, which is a valid shorthand notation in IPv6. The block "4ca" contains valid hexadecimal digits, and the "/16" represents a valid subnet mask. Therefore, option b) is valid.
c) ff02:0:0:0:4aj:ff:ff:9/128
In this address, the block "4aj" contains an invalid character ('j') which is not a valid hexadecimal digit. Therefore, option c) is invalid.
d) 2001::0:130f::ff:0:0 /48
This address includes double colons "::" to represent multiple consecutive blocks of zeroes. However, there is an issue with the notation because there are two instances of "::" in the address. In a valid IPv6 address, "::" should only appear once. Therefore, option d) is invalid.
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What would be printed to the screen when the following program is run?
function returnNumber() {
return x *5;
println(returnNumber(2));
Answers
Following are the correct Python program to calculate its output:
Program Explanation:
Defining a method "returnNumber" that takes "x" variable in the parameter.Inside the method, a return keyword is used that multiplies the parameter value by 5 and returns its value.Outside the method, a print method is declared that calls the "returnNumber" method which accepts an integer value into the parameter.Program:
def returnNumber(x):#defining a variable returnNumber that x variable in parameter
return x*5;#defining a return keyword that multiply the parameter value by 5
print(returnNumber(2))#calling method returnNumber that takes integer value in parameter
Output:
Please find the attached file.
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What naming scheme identifies the columns of a worksheet?
Answers
Answer:
It is name as ABC
Explanation:
A is for 1
B is for 2
C is for 3
What is an example of a composite key in a database table?
InvoiceID
CustomerID
ProductID
OrderID + ProductID
Answers
Answer:
b
Explanation:
OrderID + ProductID is an example of a composite key in a database table. The correct option is 4.
What is composite key?A composite key is a key in a database table that consists of two or more columns that uniquely identify each row.
In a database table, a composite key is the combination of OrderID and ProductID in a table that tracks sales transactions.
Because a single order can contain multiple products and multiple orders can contain the same product, neither column can uniquely identify a row by itself.
However, by combining the two columns, each row can be uniquely identified, ensuring that the data is accurate and complete.
Similarly, a combination of CustomerID and ProductID might be used in a sales system to track the products purchased by each customer.
Thus, the correct option is 4.
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What is the most advanced micro processor in 2022?
Answers
Answer:
AMD Ryzen 7 5800X3D Pricing and Availability
AMD Ryzen 7 5800X3D Pricing and AvailabilityAt CES 2022, AMD announced the Ryzen 7 5800X3D processor, an 8-core processor that is the first to feature AMD's 3D V-Cache technology, delivering the fastest 1080p gaming across select titles when compared to others in the market3.
consider a logical address space of 64 pages of 1024 byte each, mapped onto a physical memory of 32 frames. how many bits are there in the logical address?
Answers
Take into account a logical address space that is mapped onto 32 frames of physical memory, with 64 pages of 1024 bytes each
The term "physical memory" refers to the system's actual RAM, which typically comes in the form of cards (DIMMs) attached to the motherboard. The only storage type that the CPU can directly access, also known as primary memory, holds the instructions for running programs. Physical memory can be addressed directly for each byte and is linearly addressable, meaning that memory addresses grow linearly.
By adding a layer of abstraction over physical memory, logical memory (virtual memory) offers many advantages, including the ability to keep separate address spaces (possibly for each process) and the ability to use physical memory as a sizable cache for the physical disk, which gives the impression that memory is limitless (up to 2(bus width)) to programs and programmers.
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Which of the following is not a key component of a structure?
A. Name
B. Properties
C. Functions
D. Enumerations
Answers
Answer:
D i think
Explanation:
You want to upgrade a server by installing an external SCSI tape drive. The system currently has a SCSI card and an internal SCSI hard drive. At bootup, the system fails to recognize the new tape drive. What can be done to solve this problem
Answers
Answer:
You should disable termination on the Small Computer System Interface (SCSI) controller card.
Explanation:
SCSI is an acronym for Small Computer System Interface, which is also generally referred to as host bus adapter (HBA). The SCSI is typically a chip that controls the communication between the operating system (OS), storage devices such as hard disk drives and the host computer system. Also, it helps with the interpretation of the electrical signals between the Small Computer System Interface (SCSI) bus and the input-output bus for storage devices.
In this scenario, you want to upgrade a server by installing an external SCSI tape drive. The system currently has a Small Computer System Interface (SCSI) card and an internal SCSI hard drive. At bootup, the system fails to recognize the new tape drive. To solve this problem, you should disable termination on the SCSI controller card so that only the external SCSI tape drive will be active and the SCSI won't be detected.
Outlines are very easy because
A.Introduce new ideas that may have been forgotten in the pre-right stage
B.Help put ideas Olin order of importance
C.take a long to create
D.include all of the ideas from brainstorming
Answers
Answer:
b
Explanation:
A report delivered to the Chief Information Security Officer (CISO) shows that some user credentials could be exfiltrated. The report also indicates that users tend to choose the same credentials on different systems and applications. Which of the following policies should the CISO use to prevent someone from using the exfiltrated credentials?
Answers
The policy that the CISO should use to prevent someone from using the exfiltrated credentials is known as password reuse policy.
The policy that requires employees or system users to select unique passwords for each system they access is known as the password reuse policy. Organizations that don't use a password reuse policy risk the security of their network, systems, and data from cyber attackers who have already acquired user credentials in other security breaches.To reduce the risk of attacks from password reuse, the password reuse policy is a requirement. To enforce this policy, businesses can adopt a variety of technologies, including password managers that produce strong, random passwords for each system and application that needs authentication.
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Code Hs karal 3.4.2 lots of hurdles?? I cannot figure this one out at all
Answers
Answer:
codeHS 3.4.2: Lots of Hurdles answer
Explanation:
about IPO cycle with a digram
Answers
Answer:
The IPO Cycle is termed as Input-Processing-Output cycle. A computer receives data as input, processes it, stores it and then produces output. ways. This manipulation is called processing.
How was the addition of an improvement over early web design?
Webpages could finally incorporate tables into the design.
Webpage layout could finally format content blocks separately.
Webpage layouts were finally designed using HTML code.
Webpages could finally incorporate images as layout elements.
Answers
Answer- B: Webpage layout could finally format content blocks separately.
Explanation: Found it on Quizlet.
Answer:
Webpage layout could finally format content blocks separately.
Explanation: this the answer on edge.