The accessibility category of apps makes the computer easier for blind people to use. In general the accessibility apps are apps that help people with disabilities use a particular piece of hardware. For example there is an app designed to help blind people use their devices by paring them with a voluntary non-blind people trough audio-video connections.
After unit and integration testing are completed, _________ testing ensures that all hardware and software components work together.
Question 5 options:
application
system
unit
integration
While in slide show mode, a click and a drag is no different than a click
True or false
To create a default value for a parameter in the parameter list of a function, you code a/an ________________ sign after the parameter name followed by the default value.
Parameters that can be supplied but are not necessary are known as optional parameters. This enables more customized functions without requiring parameters that many users won't need.
What default value for a parameter in the parameter list?A constant expression serves as the optional parameter's default value. Always defined at the end of the parameter list are the optional parameters. Or, to put it another way, the optional parameter is the last parameter of the method, constructor, etc.
Swift does, however, include another data type called Optional, whose default value is null ( nil ). When you want a variable or constant to have no value, you can use optional. A value may be present in an optional type or not (a null value).
Therefore, If a calling procedure does not supply a parameter, the optional parameters must give default values that can be used.
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For aes with a 128-bit block length and a 128-bit key length, what is the output of the first round of aes if the plaintext consists of 128 zeros and the first subkey consists of 128 zeros?
Final answer:
The output of the first round of AES with a 128-bit block length and a 128-bit key length, where both the plaintext and subkey are 128 zeros, remains as 128 zeros due to the characteristics of the XOR operation in the AddRoundKey step.
Explanation:
For AES with a 128-bit block length and a 128-bit key length, the output of the first round will be a series of binary values that result from the initial round of AES encryption, which includes SubBytes, ShiftRows, and MixColumns transformations, followed by AddRoundKey. However, in this specific case where both the plaintext and the first subkey consist of 128 zeros, the output after the AddRoundKey operation remains the same as the input plaintext because the AddRoundKey step essentially XORs the round key with the plaintext, and XORing anything with zero yields the original value unmodified.
Consequently, the initial series of zeros would remain unchanged after the first round due to the zeroed key.
A. experiment by purposely misconfiguring the gateway address on pc-a to 10.0.0.1. what happens when you try and ping from pc-b to pc-a? do you receive a reply?
Odbc works on the ____ operating system.
"the three legs of a project triangle are _____, scope, and time."
A database, a database management system, and the application programs that use the data make up a database environment.
a. True
b. False
Ron wants to install an energy efficient and long lasting device for lighting in his new home. Which device should he use?
Answer:
Led Tube Lights
Explanation:
Tubular lamps are commonly used in spaces where lighting is needed for long periods of time. Therefore, one of the most important factors for store managers when choosing the most appropriate type of lamp is their consumption.
The difference between LED tubes and fluorescent tubes is significant, although not apparent when comparing the consumption of only one lamp. However, when making the calculation considering the total number of them, the energy consumption of fluorescent lights can even double.
Other benefits of LED tube
Turn on instantly; does not require reactors, consuming less energy;Unlike fluorescent, it does not emit ultraviolet and infrared rays;Can have up to 50,000 hours of service life, reducing the need for maintenance;It is made of sturdy material and can withstand shock and vibration;Its intensity can be controlled;Opens up the possibility of implementing sensors.Which of the following applications can be used as a data source for a Microsoft® Word® mail merge? A.Outlook Contacts B.Microsoft Access Databases C.Microsoft Excel Spreadsheet D.All of the above
Answer:
D.All of the above
Explanation:
Microsoft word mail merges are possible from all of the sources of the family of the Home Office Applications, so since Microsofts access database, Microsoft Excel, and Outlook COntacts are all part of the family of Microsoft Home Applications all of the documents and information are trasnferible between applications, the correct answer would be All of the above.
Assume you have written a method with the header num mymethod(string name, string code). the method's type is
Write a while loop that prints 1 to usernum, using the variable i. follow each number (even the last one) by a space. assume usernum is positive. ex: usernum
Starbucks offers an app that allows remote ordering, free Wi-Fi in stores, and a loyalty program where customers can earn a free drink after a number of purchases. Which business strategy is Starbucks following with these programs? How do these programs add value to Starbucks business?
Write c++ code that prints: usernum ... 2 1 blastoff! your code should contain a for loop. print a newline after each number and after blastoff!.ex: usernum = 3 outputs: 3 2 1 blastoff!
In _____, a person or a device intentionally or unintentionally interferes with your wireless network transmissions. select one:
a. rf jamming
b. war driving
c. eavesdropping
d. telemetry
e. installing rogue access devices
what does the narrator of the film epic 2015 say it will be at it'
s worst
Answer
A collection of trivial information that may not be true
Explanation
Epic in films is a work of art that resembles an epic situation; magical mix of talents that has the ability to make a film build sense inside the audience. Epic requires internal, immediate and global components which will comprise the plot line. For example in the film, Bride on the River Kwai, led character are involved in an epic battle
Intranets are typically set up behind a firewall.
a. True
b. False
Intranets are typically set up behind a firewall. This statement is true.
An intranet is a private network that is part of an organization and is used to securely distribute data and computer resources among staff members. Working in groups and holding teleconferences are two other uses for intranets.
Intranets promote internal communication in businesses. They make it simple for employees to access crucial data, links, tools, forms, and databases of corporate records. To ensure intranet security, a database with all the usernames of workers with network access credentials is frequently employed.
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What controls a computer's basic operations?
Basic Computer Operations. Input: Information and programs are entered into the computer through Input devices such as the keyboard, disks, or through other computers via network connections or modems connected to the Internet.
What are Computer's operations?An operation in computing is a process used to complete a certain task. Input, processing, output, storage, and control are the five types of computer processes.
The five major components of a computer system carry out computer functions. Each of the five primary types of operations can be directly matched with one of the units.
The control flow is shown by the blue dotted lines and is represented by the black arrows. User commands are delivered to the computer.
Therefore, Basic Computer Operations. Input: Information and programs are entered into the computer through Input devices such as the keyboard, disks, or through other computers via network connections or modems connected to the Internet.
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The CPU and operating system control a computer's basic operations. The CPU processes instructions, while the operating system allocates hardware resources and manages software interactions.
A computer's basic operations are controlled primarily by the Central Processing Unit (CPU) and the Operating System (OS). The CPU is often referred to as the 'brain' of the computer, as it executes instructions and processes data at incredibly high speeds.
The operating system, meanwhile, manages and allocates hardware resources, ensuring that various software applications can function correctly. It controls interactions with hardware such as reading and writing files to a hard drive, displaying graphics on the monitor, and managing memory usage. Without an operating system, each individual program would struggle to function efficiently and securely.
Summary: The CPU is obsessed with processing instructions while the OS acts as a mediator, managing resources and orchestrating the activities of other programs to ensure seamless operation.
What type of device is built into a tablet computer and can send data over radio waves to another device such as a laser printer?
You are to write a program name elevator.java that simulates one elevator services in a 12-floor building. note: there is only one elevator working this building.
Describe a scenario for which a find unmatched query could be used.
a few questions related to power point.
Why would you activate more than one nic on a pc?
The activation of multiple NICs can help boast throughput to and from the application servers and also gives failover.
What is application server?An application server is known to be a tool that help give access to business logic that are said to be use in terms of client application programs.
Therefore, The activation of multiple NICs can help boast throughput to and from the application servers and also gives failover.
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Tasha purchased a new tablet. She has several questions about how to connect to the internet, download apps, install software, and sync her other devices.
Which type of resource would be best, and why?
A) Bulletin board; shows other user's comments
B) FAQ; answers questions about common issues
C) Manual; provides all information related to the device
D) Tutorial; explains each stage of the process
Answer:
c
Explanation:
Its best to be related directly to the device
The type of resource that would be best is Manual; provides all information related to the device.
What is device operation?Operating device is a term that connote the act of handling an electronic device, such as electronic tablet.
Note that The type of resource that would be best is Manual; provides all information related to the deviceas it will help her to know the basic features.
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List three rules to follow when using or storing semi-precision measuring tools
Identify and describe the difference between: an internet connected computer's numerical address and the human readable name for that computer.
Which of the following question u should ask your boss regarding individual performance evaluations
Why do you feel an organization has multiple layers of security in place to protect its operation?
The purpose of including multiple layers in your network security is to make sure that each single defense component has a backup in the case of a flaw or missing coverage. The individual strengths of each layer also cover any gaps that other defenses may lack.
With this assumption in mind, each individual layer in a multi-layered security approach focuses on a specific area where the malware could attack. By working in concert, these layers of security offer a better chance of stopping intruders from breaching company networks than using a single solution.
The types of security layers you can use in your network defense include:
Web protectionPatch managementEmail security and archivingVulnerability assessment and analyticsAntivirus softwareData encryptionFirewallsDigital certificatesAnti-spam and spam filtersPrivacy controlsHaving multiple layers of security in place is crucial for MSPs who protect data at all levels and across numerous applications and devices. Not only should data stay safe, but so should the methods of communication and the network where information is transferred.
Flashcar a network administrator is considering placing a firewall on an internal file server in the network. what is the purpose of the firewall, and is it important for the firewall to be stateful?
Final answer:
A firewall on an internal file server protects against unauthorized access and cyber threats by monitoring network traffic. A stateful firewall enhances security by tracking active connections and making decisions based on traffic context.
Explanation:
A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies. At its most basic, a firewall serves as a barrier between a private internal network and the public Internet. The purpose of placing a firewall on an internal file server is to protect the server from unauthorized access, cyber threats, and to control data flow to and from the server.
A stateful firewall is designed to keep track of the state of active connections and can make decisions based on the context of traffic, such as the characteristics of the connection (e.g., connection start, connection end, connections originating from a file server or aiming to reach it). This is important because it allows the firewall to distinguish between legitimate network traffic and potentially harmful activity, thereby providing a higher level of security. Using a stateful firewall helps to ensure that established connections are secure and that new connections are scrutinized more rigorously.
A _______ file is a type of vector graphics file created specifically for Windows.
Answer:
A WMF file is a type of vector graphics file created specifically for Windows.
Explanation:
A Windows Metafile (WMF) contains a special type of graphic file used on Microsoft operating systems. It does not contain a pixel by pixel representation of the image, but instead uses commands to recreate the image. The most common place to view WMF files is in your clip art folders. A simple way to view a WMF file is to open it with the Paint program that comes with Windows.