Answer:
False
Explanation:
The reason is that it should be the opposite. The class's instance variables should be private, and its methods should be private. In that way, only these methods can access to the private variables. For example, you have a class named Person and a variable called ssn (social security number). It is better to make this ssn variable private (It is actually a private information for a person) so that it cannot be read or modified outside of your class.
Swee Yin's fashion-apparel department store runs a popular biannual sale on men's hats, with large discounts and surprise bonus items. She wants to tailor her Google Search campaign to highlight this sale. How can Google Search campaigns be tailored to promote her company's sales event?
Answer:
By designing a fresh ad group for the particular sale
By setting time the campaign starts and finishes
Explanation:
Creating an ad group is necessary to make Swee Yin's products appear on search results when users search for related items on Google search engine, this will promote Swee Yin's sale event even though a payment will be made to that effect to run the google ad campaign and setting the start and end date of the campaign is necessary because you will not need your ad still displaying when the sale event is over.
Which are types of Internet connections? Choose three answers.
Cable
HDMI
DSL
HTML
Fiber
Answer:
Cable
DSL
Fiber
Explanation:
HDMI is a digital video signal format
HTML is the webpage markup language
One software license model allows software to be freely distributed, downloaded, and installed without paying a license fee but often requires a fee for support, training, or added functionality.Trure/false
Answer:TRUE
IT IS AN OPEN SOURCE SOFTWARE
Explanation:AN OPEN SOURCE SOFTWARE is a software which is made to accessed free of charge,no lincense is required for the use of the software. This type of softwares are usually developed to help the users which may be students or for religious purposes or for vunerable persons whom the developer feels should have access to the software. The only fee required is for maintenance or for other special features. GOOGLE'S ANDROID OPERATING SYSTEM is considered as an open source software.
It is false statement. The statement about a software licensing model allowing free distribution but potentially charging for support or additional features refers to open source software. While open source provides freedom to share and modify software, it does not guarantee that the software is free of cost. GPL-licensed open source software ensures users have the right to modify and distribute software, but may not always profit from these actions.
One software license model that permits software to be freely distributed, downloaded, and installed without a license fee but may require a fee for support, training, or added functionality is true to the open source software model. Open source software grants users the freedom to access, edit, and distribute the source code. However, open source does not necessarily mean the software is free of cost; while you can use the software without paying for it, there might be charges for additional services.
When we discuss free software, such as the software licensed under the GNU General Public License, we are referring to the freedom to share and change the software. The concept of "free" in this context is about liberty, not zero price. Developers using the GNU GPL protect your rights by allowing you to copy, distribute, and modify the software according to these terms.
It is important to note that users can change the software and they also can distribute their modified versions. However, if users distribute their modified versions, the GPL requires that these versions are also licensed under the GPL. Users are not always able to profit from selling their versions of the software, as the main idea behind this licensing is to ensure the software remains free and open for everyone's use.
_____ is a program that allows a person using one computer to access files and run programs on a second computer that is connected to the Internet.
Answer:
Remote Access Software.
Explanation:
Remote Access Software
Remote access software is a type of software installed on local computer or can be deployed over the network/Internet on a Remote Access Server.
This allows a local user to access files on one or more remote devices over a network or an internet connection.
Remote access software works by creating a connection between a local and remote device over a network or through an Internet connection.
A user can access data, download files and perform installations in remote device over a server. The local user undergoes authentication, before access is granted by a Remote Access Server.
Example of a Remote Access Software;
Teamviewer, Chrome Remote Control etc.
Virtualization occurs when a ________________ running specialized software creates environments within unique single files that _______________ other computers.
a) single computer; manages
b) database; manages
c) database; replicates
d) single computer; replicates
Virtualization occurs when a single computer running specialized software creates environments within unique single files that replicates other computers.
What does virtualization means in computing?The term Virtualization is a term that connote the method of running a virtual work of a computer system by a layer that is gotten from the actual hardware.
Note that it entails the running of different kinds of operating systems on a computer system at the same time.
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The feature that moves text from the right edge of a paragraph to the beginning of the next line as necessary to fit within the margins.
Answer:
Return Key (Enter Key on Windows)
Explanation:
It is a key on the keyboard that has a downward arrow with corner leftward, it can be used to start a new line of writing.
Your environment includes many users who print documents often. A single print device isn't sufficient. You need a "printer pool" to accommodate all the concurrent print jobs. How would you accomplish this advanced printing configuration?
Answer:
By connecting a printer to many print devices
Explanation:
By connecting one printer to many printer allows all the printers connected to act as one single printer this technique is called "pooling", this helps when the print work is so heavy that one printer can't possibly handle. This feature is available in Windows 7 Operating system and other windows computers, this technique is used when there are many computers in the office and this improves productivity.
A constructor is a method that
Select one:
A. removes the object from memory.
B. returns an object of the class.
C. never receives any arguments.
D. performs initialization or setup operations.
Answer:
A constructor is a method that performs initialization or setup operations.
Explanation:
A constructor is a special method that is immediately called just after a memory space as been allocated to an object or when an instance of the class is created.
Constructors perform initialization or setup operations, such as assigning initial values to instance Variables. They are called "constructors" because they assist in constructing an object even though they actually don't construct the object.
A constructor is a method in object-oriented programming that initializes an object's state or performs setup operations. It is defined within a class and typically has the same name as the class.
Explanation:A constructor is a special method in object-oriented programming that is used to initialize an object's state or perform setup operations when the object is created. It is typically defined within a class and has the same name as the class. Constructors can take arguments or parameters, allowing for customization and initialization of objects based on specific values.
For example, let's consider a class called 'Car' in a car dealership system. The constructor of the 'Car' class could be used to set initial values for properties such as 'make', 'model', 'year', and 'mileage' when a new 'Car' object is created.
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When using command-line terminal, specific letters that start with a dash ("-") and appear after command names are considered to be: a. Keywords b. Options c. Arguments d. Metacharacters
Answer:
Option B i.e., Options is the correct option.
Explanation:
While the user using a dash(-) operator in command line terminal with any particular letter that starts with the dash operator then some commands will appear after the command name that considered to be options. Command Line terminal uses a dash operator for only some specific letters and it will not use with all the commands.
Which of the following CollegeBoard AP Computer Science Principles Pseudocode commands is used to record something typed by a user of the program so that it can be used in the program?
a. a MOD bb. RANDOM (a, b)c. DISPLAY (expression)d. INPUT ()
Answer: Option D. INPUT ()
Explanation:
Pseudo code is a simple way of describing a set of instructions that do not have to use specific syntax.
a MOD b : Evaluates to the remainder when a is divided by b. Assumes that a and b are positive integers.
RANDOM(a, b) : Evaluates to a random integer from a to b, including a and b.
DISPLAY (expression): Displays the value of expression, followed by a space.
INPUT (): Accepts a value from the user and returns it.
Thus, INPUT () is the correct option.
You are attempting to install Windows Server 2016 on a SCSI based disk, but the installation program does not find the disk. What is the most likely cause:________.
Answer:
Windows Server 2016 requires a driver for working with the SCSI controller.
Explanation:
Based on the information provided within the question it can be said that the most likely cause in this scenario is that Windows Server 2016 requires a driver for working with the SCSI controller. Therefore in order to solve this problem you would need to, manually update the driver for the SCSI adapter in the virtual machine that is going to be using the Windows Server 2016 software.
High-end tools in project management software have enterprise and _____ functions that summarize and combine individual project information to provide an enterprise view of all projects.
Answer:
Portfolio management is the correct option.
Explanation:
Project management software is that type of software that is used to accomplish the management related works such as planning, organizing, summarizing and many other works related to the management.
So, project management software is used for functioning the enterprise and portfolio management functions by which the employee combines and summarizes project information.
Random access memory is the portion of a computer's primary storage that does not lose its contents when one switches off the power.True / False.
Answer:
False
Explanation:
It is of importance to note that a Random-access memory is a form of computer memory that can be read and changed in any order , in other words, modified, typically used to store working data and machine code. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory.
_______ is a process that insures that operations meet data validity standards. For instance, information systems that process checking accounts will only allow unique check numbers for each transaction—and reject duplicates.
Answer:
The answer is consistency
Explanation:
Information systems deal with the retrieval, storage, manipulation and sharing of data for organisational needs. It is important that there are measures in place that corresponds to data validity standards. The process that ensures that operations meet these standards is known as consistency.
This is very necessary for information systems.
During the Cold War, defense contractors were required to shield sensitive computing systems and prevent electronic eavesdropping of any computer emissions. The U.S. Department of Defense calls this special computer-emission shielding ____.
Answer:
Tempest
Explanation:
Computers and communication systems use _____ to represent information between computers and network systems.
Answer:
Data Code
Explanation:
In Data Communication, Data and Information are being assigned binary code in a digital system. This process is known as encoding system. This binary code helps computer of different architecture communicate with one another.
Data code is an encoding system for data in a computer. For text encoding we have ASCII, 7-bit ASCII, EBCDIC and Unicode. For non-text encoding, we have MIME, BinHex, Codec, etc. For video encoding, we have MPEG, YUV, YCbCr, chroma, e.t.c.
Computers and communication systems use **binary code** to represent information between computers and network systems. Binary code consists of two symbols, typically 0 and 1, which are used to encode data. This binary representation is fundamental for digital computing and communication, enabling the processing, storage, and transmission of information.
Computers and communication systems use **binary code** to represent information between computers and network systems. Binary code is a system of representing text or computer processor instructions using the binary number system's two binary digits, 0 and 1. This system forms the basis of all modern computing processes.
In binary code, each digit is referred to as a bit. These bits are grouped together to form bytes, typically consisting of eight bits. Bytes can represent a wide variety of data types, including characters, integers, and more complex data structures.
The primary advantage of binary code is its simplicity. Digital systems only need to distinguish between two states, which can be easily represented by electrical signals (on/off, high/low voltage). This reduces the complexity and cost of hardware.
Additionally, binary code enables reliable error detection and correction. Techniques such as parity checks and cyclic redundancy checks (CRC) ensure data integrity during transmission across networks. This binary representation is fundamental for digital computing and communication, enabling efficient processing, storage, and transmission of information across various platforms and devices.
Which of the following forms of wireless security is easily cracked?
a. WEP
b. WPA
c. WPA2
d. IPsec
Answer:
The answer is "Option a".
Explanation:
The full of WEP is "wired equivalent privacy", which is available on an IEEE network project 802.11b, that allows you to provide security and privacy in the Local wireless networks, but it is easy to crack, WEP because it only protects the wireless network against ordinary users, and other options were not correct, that can be described as follows:
In option b, It is used for data encryption which is better than WEP security, that's why it is not correct.In option c, It is an upgraded version of WPA, that's why it is not correct. In option d, It is a security service, which is used in communication, that's why it is not correct.The common denominator for decisions on service processes is _______, but for manufacturing processes it is _______.A. customer contact; product varietyB. customer variety; output volumeC. customer contact; output volumeD. customer variety; product variety
Answer:
Option C i.e., customer contact and output volume is the correct answer.
Explanation:
Customer contact is required for processes the decisions on the service through the common denominator because the customer contact is always required for increasing the business services and products by which their business gain high profits. Output volume is required for the process of manufacturing.
Suppose TestSimpleCircle and SimpleCircle in Listing 9.1 are in two separate files named TestSimpleCircle.java and SimpleCircle.java, respectively. What is the outcome of compiling TestsimpleCircle.java and then SimpleCircle.java?
Answer:
Both will compile without any error
Explanation:
Since there was nothing to note we assume that they have no errors in them, we compile each java file by typing javac "name of file.java", javac TestsimpleCircle.java in the case of TestsimpleCircle file, and later go on to type java TestsimpleCircle to see the output. Java files can be compiled either in the console (as done above) or in the development environment like Netbeans where you click the run button and it compiles and run the program for you.
A ____ is an e-mail attack in which the attacker routes large quantities of e-mail to the target system hoping to overwhelm the target with so much irrelevant email that legitimate email cannot be used.
Answer:
Mail bomb is the correct answer.
Explanation:
In the following statement, A mail bomb is the type of attack on e-mail of the particular person by which the attacker transfers large quantities of e-mail to the target computer in the expectation of flooding the target with so much meaningless e-mail that legitimate e-mail is not accessible. So, that's why the following answer is correct.
The ______ element, a Hypertext Markup Language (HTML) metadata element, contains a collection of metadata elements that describe the document of provide instructions to the browser.a. Head
b. HTML
c. Body
d. List
Answer:
Option a is the correct answer for the above question.
Explanation:
The head tag is used to give the title of the website which describes the website which is opened by the web browser. The metadata refers to the concept of data about data means when there is data that describes the other data then that is known as metadata. The head tag also used to define the data of that website because the title is used to define the project in one tag and the head tag defines the tile which can be called metadata of the website.
The above question asked about the HTML element which is a metadata for the website. So the answer is head which is defined above and it is stated from the option a. Hence the option a is the correct answer for the above question while the other is not because--
Option b states about the HTML, which is the collection of all the data of the website.Option c states about the body, which is defined as the main data of the website.Option d states about the list which is not the correct answer for the above question.
What do you call a group of pins on a motherboard that are used to connect parts of the computer to the motherboard for power or data transfer.a. Socketb. Headerc. Jumperd. Port
Answer:
D. Port.
Explanation:
In the computer system motherboard, a socket is a connector used to connect the processor. Headers are connector used to clear the RTC. Jumpers are cable connectors used to connect components on the motherboard. The port is a connection point in the motherboard, that connects external or peripheral devices to the motherboard for power and data transfer.
You have informed your users that you need to bring the machine down at the end of the day to perform routine maintenance. However, prior to shutting the system down, you want to give users fifteen minutes to save data and exit the system. In this lab, your task is to shut the machine down and warn your users as follows:______
A. Use a 15-minute delay before shutting down.
B. Use It is time for a shutdown! as a message to all logged-in users.
Answer:
shutdown -h +15 It is time for a shutdown!
Explanation:
In a work environment where there is an admin and users connected to the server when the admin wants to Give a 15-minute delay to allow users enough time to save their work data and logout from the system. the command above shuts down after 15 minutes delay and notifies the user with "It is time to shut down!".
Which of the following statements are true? Select all that apply.A. Since ObjectInputStream/ObjectOutputStream contains all the functions of DataInputStream/DataOutputStream, you can replace DataInputStream/DataOutputStream completely by ObjectInputStream/ObjectOutputStream. B. If all the elements in an array is serializable, the array is serializable too. C. To write an object, the object must be serializable. D. ObjectInputStream/ObjectOutputStream enables you to perform I/O for objects in addition for primitive type values and strings. E. The Serializable interface does not contain any methods. So it is a marker interface.
Answer:
Correct options are A, B, D, E
Explanation:
For option A, D, E:
reference :Book: Object Oriented Programming with Java
chapter 5 and section 5.4 Object I/O
for option 'C' it incorrect statement because to write an object it is not necessary to be serialize.
for option B it is correct because if all attributes of array having type T then we can say array is of type T implying the same statement for serialization.
Rasheed is memorizing his multiplication tables by using flash cards. He does this frequently enough that eventually he does not need the visual stimulation of the cards to remember his times tables for a test. Rasheed is then taking advantage of __________ memory
Answer:
Long-term memory
Explanation:
There are two common types of memory - Long-term and short-term.
In short-term memory, information are stored just for a very short time before they are eventually discarded or transferred to the long-term memory. It is sometimes called working memory. For example, short-time memory can be used to remember that a particular event is going to be by 12pm today. After the event, the information might either be discarded or pushed to the long-term memory.
In long-term memory, information are stored for a very long term, almost permanently. For example, long-term memory enables you to remember an event that has taken place in the past. In the case of Rasheed, he has so much learned the multiplication tables in such a way that information on the tables have been stored indefinitely in a part of his brain called hippocampus. Every time he needs the multiplication tables, they are always available. So he is already taking advantage of the long-term memory.
Answer:
top answer should be correct.
Explanation:
If the name of the input file was in a variable named filename, which of the following is the correct way to open the input stream named inFile and associate it with this file?
a. inFile.open (filename);
b. inFile = filename;
c. inFile = "filename";
d. inFile.open ("filename");
What will be the value of ans after the following code has been executed?
int ans = 10;
int x = 65;
int y = 55;
if (x >= y)
ans = x + y;
A) 10
B) 120
C) 100
D) No value, there is a syntax error.
Answer:
Option B 120
Explanation:
There are three variables, ans, x and y given in the code. In beginning, the variable. ans, holds value of 10. And variable x and y hold value of 65 and 55, respectively. Since the value held by x is bigger than one held by y, the if condition is met and the statement ans = x + y will run. The execution of this statement will total x with y -> 65 + 55 and the initial value of ans is overwritten by the addition result which is 120.
Answer:
B) 120
Explanation:
In the first three lines of the code, three variables ans, x and y have been declared and initialized;
=> ans = 10;
=> x = 65;
=> y = 55;
On the fourth line and fifth line of the code, there is an if block statement that will get executed if the value of x is greater than or equal to that of y;
i.e
if (x >= y)
ans = x + y;
And since x = 65 and y = 55, it implies that x is greater than or equal to y.
Therefore the fifth line of the code will be executed
=> ans = x + y
=> ans = 65 + 55
=> ans = 120
Note:
Though the value of variable ans was initially 10 before the execution of the if statement, its new value 120 will replace the former value.
Therefore the value of ans after the code has been executed is 120
The term ____ means that a public information network such as an Internet service provider (ISP) should treat all users, all platforms, and all content equally.
Answer:
Domain Name System
Explanation:
The Domain Name System is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities
What is a central location that houses Joint Information System (JIS) operations and where public information staff perform public affairs functions.
A. Incident Command Post
B. MAC Group
C. Joint Information Center (JIC)
D. Emergency Operations Center
Answer:
The correct answer to the following question will be Option C (Joint Information Center (JIC)).
Explanation:
The center formed as the main point of contact for corporate media and partners to organize emergency reporting efforts at the site of the event.Public knowledge officers from all federal, state and local departments participating at the JIC will centrally manage.It is a convenient location which houses operations of the Joint Information System and where government information workers perform functions of public affairs.There other three options are not related to the JIS. Therefore, JIC is the right answer.
Type two statements that use rand() to print 2 random integers between (and including) 100 and 149. End with a newline. Ex: 101 133 Note: For this activity, using one statement may yield different output (due to the compiler calling rand() in a different order). Use two statements for this activity. Also, srand() has already been called; do not call srand() again.
Answer:
srand(time(NULL)); //using srand once
cout<< (rand()%50)+100; // first random number
cout<<endl; //new line
cout<< (rand()%50)+100; //second random number
Explanation:
The srand function in C++ seeds the rand function. It means that the srand function provides rand function with a number which is used by the random function to generate random numbers.