The first step of the Data Encryption Standard (DES) involves breaking the plaintext into blocks of ______.

Answers

Answer 1

Answer:

64 bits

Explanation:

DES uses block encryption


Related Questions

what are overlapping geographical areas within a cellular network called?

Answers

Overlapping geographical areas within a cellular network is called cells

Electronic evidence on computer storage media that is not visible to the average user is called​ ________.

Answers

Answer:

Electronic evidence on computer storage media that is not visible to the average user is called​ ambient data.

Several small stores rent space within a larger shopping centre. The owners of the shopping centre have provided a physical network throughout the entire centre.
(a) Explain how virtual networking can be used to give each store a private logical network. Diagrams may be used in your answer.

Answers

Answer:

okay so my first question is what is this question for because I cant really answer without more info

What are some positive and negative impacts of computer science changing how we work, where we work and when we work?​

Answers

Answer:

Using those tools, computer science allows us to predict hurricanes, tornadoes, or even the outbreak of a potentially fatal disease. It can even be used to predict human behavior, which can help prevent crimes. Computer science can provide us with some life-saving tools and work.

Explanation:

This question is worth 15points

Why do you think that computer programs use different data types? Wouldn't it be simpler if they treated all data the same? Why or why not?
What would happen if, for instance, a date were treated like an integer? Please answer all of the questions.

Answers

Answer:

The data type defines wich operations can safely be performed to create, transform and use the variable in another computation.

Computer programs use different data types for efficiency, precision, etc.

Treating all data the same would lead to confusion, inefficiency, and errors.

Treating a date like an integer would result in a loss of semantics, limited operations, etc.

We have,

Computer programs use different data types for a variety of reasons:

- Efficiency:

Different data types allow programs to allocate memory and perform operations more efficiently.

- Precision:

Different data types have different levels of precision. For example, using floating-point numbers allows for decimal values but might introduce rounding errors, while integers are exact but can't represent fractions.

- Semantics:

Different data types convey meaning and help programmers and the compiler understand how the data should be used.

- Operations:

Different data types support different operations. For instance, you can't perform arithmetic operations on text strings as easily as you can on numbers.

- Type Safety:

Using distinct data types helps catch errors early in the development process. If you accidentally treat a string as an integer or vice versa, type systems can catch such errors during compilation.

If a date were treated like an integer:

- Loss of Semantics:

Treating a date as an integer would strip away its meaning. Dates have attributes like day, month, and year, which would be lost if they were treated as integers.

- Limited Operations:

Integers can't directly perform operations related to date manipulation, such as finding the difference between two dates or determining the day of the week for a given date.

- Error-Prone:

Treating dates as integers would likely lead to confusion and errors. It would be easy to make mistakes when handling date-related calculations and comparisons.

- Lack of Flexibility:

Dates have a complex structure, including leap years, varying month lengths, and time zones. Treating them as integers wouldn't allow for representing these complexities.

Thus,

Computer programs use different data types for efficiency, precision, etc.

Treating all data the same would lead to confusion, inefficiency, and errors.

Treating a date like an integer would result in a loss of semantics, limited operations, etc.

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Can you predict what changes will come to data storage in the next decade? 

Answers

Answer:

Explanation:

More data storage will become available currently there are kilobytes (KB), megabytes (MB), gigabytes (GB) and terabytes (1TB) of storage but in the future maybe there will be tetrabytes

Debug big tower can someone help me

Answers

Answer:

2

Explanation:

2 is because that what i think

Answer:its c

Explanation:

because thts wht i thinl

Q10: ____ server maintains a database of hostnames and their corresponding IP addresses and performs the translations automatically.

Answers

A web server is designed to maintain a database of hostnames and their corresponding IP addresses while also performing the translations of hostnames to an IP address automatically.

A server can be defined as a specialized computer system that is designed and configured to store, maintain, and provide specific remote services for its end users (clients), especially on a request basis.

In Computer and Technology, the different types of server include:

Virtual serverProxy serverApplication serverPrint serverDatabase serverFile serverWeb server

A typical function of a web server is the maintenance of a database comprising hostnames and internet protocol (IP) addresses, as well as performing the translations of hostnames to an IP address automatically.

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________ involves breaking into a network to steal data such as customer lists, product inventory data, employee data, and other proprietary and confidential data. (1pts) Question 5 - ________ involves breaking into a network to steal data such as customer lists, product inventory data, employee data, and other proprietary and confidential data. Pretexting Phishing Hacking Spoofing

Answers

Answer:

Hey there!

Hacking involves breaking into a network to steal data such as customer lists, product inventory data, employee data, and other proprietary and confidential data.

Hacking involves breaking into a network to steal data such as customer lists, product inventory data, employee data, and other proprietary and confidential data. Pretexting Phishing Hacking Spoofing

Hope this helped! :)

If you want to excel in the field of web design, what must you be able to make and keep?
price estimates
statement of work
final deadlines
promises

Answers

Answer:

You  need to beable to make final deadlines because maybe if your adding divs or maybe something takes a bit long for you to do you need to give the person your working for an idea of what and why you may take long to get your website polished.

Explanation:

Answer:

B. final deadlines

Explanation:

edg 2021 (got 100%)

using numerous computers to inundate and overwhelm the network from numerous launch points is called

Answers

Using numerous computers to inundate and overwhelm the network from numerous launch points is called: a DDos attack

A _____ agent can be used to perform specific tasks for a user, such as remembering information for filling out Web forms.

Answers

Specific tasks such as the remembrance of key information when filling out Web forms can be performed by: personal agent.

A personal agent is also referred to as user agent and it can be defined as a computing software or hardware-based system that is typically designed and developed to perform specific tasks on behalf of an end user.

This ultimately implies that, a personal agent is an intelligent computer hardware or software program that can be configured to perform specific tasks on behalf of an end user.

For example, a personal agent can be configured to remember key information when filling out Web forms.

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It is most commonly used for self-running presentations.
A. Slide Transition
B. Hyperlink
C. Action Buttons
D. Animation​

Answers

Answer:slides

Explanation: because in the slide you can make a presentation

jessica has connected her new printer to her windows 10 computer, but windows is not recognizing it. what should she do?

Answers

reconnect the printer or you could  Explanation:

If Windows 10 is not recognizing Jessica's new printer, she should take the following steps:

Check the physical connections: Ensure that the printer is properly connected to the computer via a USB cable or a network connection.

The Steps to take

Restart both devices: Restart the computer and the printer to refresh the system and establish a new connection.

Update printer drivers: Visit the printer manufacturer's website and download the latest drivers specific to her printer model. Install the drivers on the computer.

Run the printer troubleshooter: Go to the Windows settings, select "Update & Security," then "Troubleshoot." Choose "Printer" and follow the on-screen instructions to diagnose and fix any issues.

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You want to kill all process IDs of a specific process with a single command. Which command should you use

Answers

Answer:

killall

Explanation:

Helpppppp meeeeeeeeeeeee pleaseeeeee

Answers

Answer:

B

Explanation:

PATA drives, also known as ATA, ATAPI, or Integrated Drive Electronics (IDE), are the type of drives that were generally used in workstations until recently. PATA drives typically have a maximum transfer rate of 150MBps.

Cloud storage is a cloud computing model in which data are stored on remote servers accessed from the Internet, or “cloud.” For most PACS manufacturers, the cloud storage is primarily utilized as a long-term storage solution only.

Samantha wants to begin searching for a job using the Web. The best source for her online search will probably be __________.

Answers

Answer:

C) A company's website

Explanation:

true or false? multimedia components such as audio and video do not significantly contribute to increased computer network traffic.

Answers

Answer:

false

Explanation:

are you KIDDING ME? imagine streaming a 4k video through YT.. yeah you know how much storage and bandwidth that takes up? it is VERY BIG. this is false

multimedia components such as audio and video do not significantly contribute to increased computer network traffic. The statement is false.

What is multimedia ?

Multimedia is an user engaging type of  media which offers a variety of effective ways to give information to user and user  can interact with digital information through it.

Multimedia can act a   communication tool, it has many application like Education, training, reference materials, corporate presentations, marketing, and documentary application.

Multimedia use text, audio, video, graphics, and animation to give information in a dynamic way and it is a technological way of presenting information  with textual data like video conferencing, Yahoo Messenger, email, and the Multimedia Messaging Service ( MMS Service (MMS).

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4.10.4 Inventory codehs python
i have no idea on how tp fix this, pls help:(

Answers

Answer:

between line 23 and 24, add:

    if num > 0:

(and indent the next line)

Explanation:

You want to suppress the "Now we have 0 left" message, and an additional if statement will do that for you.

In this exercise we want to use computer and python knowledge to write the code correctly, so it is necessary to add the following to the informed code:

  if num > 0:

Want to suppress the "Now we have 0 left" message, and an additional so for that is necessary to put between line 23 and 24, the code:

   if num > 0:

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using iot to track packages, containers, and other bulkware are examples of what type of smart iot technologies?

Answers

There are technology that are used to detect and identify objects with tracking tag. The statement is an example Smart logistics IOT technologies.

Smart logistics is commonly called Connected logistics.  It helps or allows us to have near real-time tracking of movement/delivery of goods and services.

It is often used by ECommerce companies, food delivery companies, app-based taxi service companies, online markets etc.

 

In the logistics process, Internet of things can aid an individual by tracking goods and services as it saves time.

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What are some ethical issues related to data mining? In other words, what are some ways that companies may gather or use data that are not appropriate?

Answers

Data mining is not an easy task, as the algorithms used can get very complex and data is not always available at one place. It needs to be integrated from various heterogeneous data sources. These factors also create some issues. Here in this tutorial, we will discuss the major issues regarding −
Mining Methodology and User Interaction
Performance Issues
Diverse Data Types Issues

If an Intel central processing unit (CPU) has two physical processing cores but is able to make the operating system software act as if it using four processing cores, what technology is that processor using

Answers

Answer:

A Quad-core CPU

Explanation:

because it acts as if it uses four processing cores, so it will be using the Quad-core for the Central Prossesing Unit (CPU)

is invalid in the select list because it is not contained in either an aggregate function or the group by clause.

Answers

Answer:

Column

Explanation:

The frame rate is the result of multiplying the length of the film times its width

True or False

Answers

Answer:

False

Explanation:

frame rate is how many frames are shown per second in a video

the length of the film times the width is the resolution. not frame rate

Which of the following developed technologies has NOT greatly increased the speed of information dissemination? A. Smartphones B. E-mail C. Typewriter D. Teleconferencing.

Answers

Answer:Email

Explanation:

Answer:

The answer would be C

Explanation:

In the context of data-flow diagrams (DFDs), a(n) _____ shows either the source or destination of the data.

Answers

Answer:

In the context of data-flow diagrams (DFDs), a(n) entity symbol shows either the source or destination of the data

Explanation:

define the term software with example​

Answers

Answer:

A software or computer software essentially a type of programs which enable the users to perform some particular specific task or actually used to operate their computer. It essentially directs all of the peripheral devices on the entire computer system- what exactly to do and how exactly to perform a task. A software plays a key role of a mediator between the user and the computer hardware. In the absence of software, a user essentially can’t perform any task on a computer. A software product development company is the one which develops software for the users.

Explanation:

hope it will helpful for you

In computing we generally have two parts, the Hardware which we can feel and touch and the Software which are a set or collection of instructions or commands the computer can understand and executes, We cannot touch it

Examples of softwares are

Excel WindowsiTunesMs Word

Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system.

In summary we use programming Languages to write software programme for the computer to execute.

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What contribution did ada byron make to computing?

Answers

Answer:

Around 1843, she described the first computer principles, later built by Charles Babbage in the form of a mechanical calculator.

Ada Byron was a writer and mathematician known for her work on Babbage's early mechanical general-purpose computer. She helped to write the first algorithm intended to be processed by a machine.

In the design phase of the systems development life cycle (SDLC), the _____ design indicates hardware and software, such as specifying Linux servers and Windows clients. Select one:

Answers

Answer:

logical

Explanation:

How to edit an existing recipient list? class 9 for(3 marks)​

Answers

Answer:

(Archives) Microsoft Word 2003: Mail Merge: Working with the Recipient List

Last updated Monday, Aug. 31, 2020, at 10:35 a.m.

This article is based on legacy software.

For a successful Mail Merge, you will need to establish a recipient list, also referred to as the data source. This contains the information that will vary with each record, such as names or identification numbers. If you are creating a mailing list, for example, names and addresses will be included in your data source.

You can either create a new data source or use a pre-existing source, such as your Outlook Contacts. You may also wish to alter the entries in your data source without having to open it, change the appropriate entries, and then save the changes. Mail Merge allows you to specify which individual entries you want to include as well as add and delete data document entries and fields.

Creating a New Data Source

Before creating the data document, take a moment to plan out the information you want to include. While creating your data document, you can add or remove fields to tailor the document to suit your needs. Creating a new data source is an option in the third step of the Mail Merge Wizard.

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