The possible port roles forports A, B, C, and D in this RSTP-enabled network are:
Alternate - S2 port to S3
Designated - S1 port to S3
Root - S2 port to S1
Root - S3 port to S1
What are ports?A port in computer hardware acts as a connection point for other computers or peripheral devices. A port is a common phrase used to describe the area of a computer that can connect to peripherals like input and output devices. Network connections begin and finish at ports, which are fictitious locations within an operating system. An Ethernet port is another name for a LAN port. On computers, servers, modems, Wi-Fi routers, switches, and other network equipment, both words refer to the exact same socket. A computer's side has ports that can be used to connect external devices such as a keyboard, printer, mouse, modem, scanner, and more.
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Cell signaling involves converting extracellular signals to specific responses inside the target cell. Which of the following best describes how a cell initially responds to a signal?
a. the cell experiences a change in receptor conformation
b. the cell experiences an influx of ions
c. the cell experiences an increase in protein kinase activity
d. the cell experiences G protein activation
e. the cell membrane undergoes a calcium flux
The cell experiences a change in receptor conformation is the following best describes how a cell initially responds to a signal.
What is Cell signaling?
Cell signaling is the process by which cells communicate with each other and respond to changes in their environment. It involves the transfer of information from outside the cell to the inside, and the subsequent response of the cell. This is accomplished through the recognition of signaling molecules by specific receptors on the cell membrane, which can initiate a cascade of events inside the cell. These events may include changes in the activity of enzymes, changes in ion transport, changes in gene expression, or changes in the shape of the cell.
a. the cell experiences a change in receptor conformation
The process of cell signaling often begins with a change in the conformation of a receptor on the cell membrane, triggered by the binding of a signaling molecule. This change in receptor conformation can initiate a cascade of events inside the cell, leading to a specific response. The change in receptor conformation can also activate enzymes, such as protein kinases, or activate signaling molecules, such as G proteins, leading to further downstream events and ultimately a specific response. Calcium flux can also be involved in some signaling pathways, but it is not necessarily the initial response to a signal.Learn more about Cell signaling click here:
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Assume ptr is a pointer to an int and holds the address 11000. On a system with 4-byte integers, what address will be in ptr after the following statement?
ptr += 2;
The variable ptr int *ptr = nw int is given an address by the following sentence. incorrect is int ptr; This will result in an error since the data type must first be written.
Any attribute, number, or sum that can be gauged or counted is referred to be a variable. A variable is often referred to as a data item. A few examples of factors are age, gender, company income and expenses, country of birth, capital expenditures, class grades, eye color, and vehicle kind. Its value may vary between data units in a population and change over time, hence it is regarded as a variable. A variable is any element of a mathematical problem or experiment that has the ability to change. Variables are commonly identified by a single letter. The letters x, y, and z are frequently used to denote variables.
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) a processor p has a 4.0 ghz clock rate and has a cpi of 2.2. (a) if the processor executes a program in 20 seconds, find the number of cycles and the number of instructions.
The clock rate / CPI for P1 performance is 3 GHz / 1.5 = 2. As we well aware, 1 GHz equals 10 9 Hz. So: P1 has a performance of 2 * 109 instructions per second.
P2, with a performance of 2.5 * 109 instructions per second, has the highest performance. Given: P1's clock frequency is 3 GHz P2's clock frequency is 2.5 GHz. P3 has a clock speed of 4.0 GHz. CPI of P1 (cycles per instruction) is 1.5. Circumstances Per Instruction. P2's CPI is 1.0. P3's CPI (cycles per instruction) is 2.2. To locate, most effective performance measured in instructions per second. Performance is equal to clock rate times CPI. Processor performance is influenced by the number of instructions and CPU time. As we are aware of Instructions * Cycles Per Instruction / Clock Rate equals CPU time. Instructions per second (I/s) = Instruction count / CPU time as CPU time is equal to I * CPI/clock rate. Clock rate/CPI = I/CPU time. IPS therefore equals clock rate/CPI. Hence, Performance is equal to the product of clock rate and cycles per instruction (CPI).
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in java write a multi-way if/else statement that adds 1 to the variable minors if the variable age is less than 18, adds 1 to the variable adults if age is 18 through 64 and adds 1 to the variable seniors if age is 65 or older.
An if/else statement that adds 1 to the variable minors according to illustration above is:
if (age < 18)
minors++; else if (age 18 && age <=64) adults++; else
seniors++;
Definition of if else statementElse if is an alternative choice of selection to find the desired condition, else if has the same function as the if statement and is placed after the if statement.
Else is the last option that will be executed if all options do not have a true value in the existing condition. else is an optional statement to be used based on need, if you do not use the else statement then the entire if statement will be ignored.
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3.1. using the input/aaction/output template that i introduced at the beginning of this chapter, describe two features of software that you commonly use, such as an editor or a presentation system.
Some of the most well-known presentation tools, such Microsoft PowerPoint and Lotus Freelance Graphics, can be purchased alone or as a component of office-focused software bundles or packages.
What are the features of software for presentation system?Presentations can also include speeches, introductions, lectures, or demonstrations. For presentations, it is normally important to prepare, plan, organize, write, use visual aids, handle tension, and respond to questions.
Other well-known products include Corel Presentations, Harvard Graphics, Astound, Adobe Persuasion, and Asymetrix Compel.
Therefore, The typical purpose of a presentation is to enlighten, convince, inspire, motivate, build goodwill, or offer a new idea or product.
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Explain the social implication of computers on society in particular privacies and
quality of life.
The use of computers and technology has had a significant impact on society and the way people live their lives. One of the most significant social implications is the impact on privacy.
What is the computers about?The increased use of computers has led to the collection, storage, and sharing of vast amounts of personal information, including financial, medical, and personal data. This has raised concerns about the protection of personal privacy and the potential misuse of personal information by governments, corporations, and other entities.
Therefore, Another aspect of privacy that has been impacted by technology is online privacy. With the widespread use of the internet and social media, people are sharing more personal information online than ever before, leaving them vulnerable to online identity theft, hacking, and other forms of cybercrime.
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What is printed when the following code is run?function doubleNumber(x){return 2*x;}function start(){var y = 4;var doubledY = doubleNumber(y);var result = doubleNumber(doubledY);print(result);}A) 4B) 8C) 16D) 64
In the given case option C which is 16 is correct when function doubleNumber(x){return 2*x;}function start(){var y = 4;var doubledY = doubleNumber(y);var result = doubleNumber(doubledY);print(result.
Text boxes like the one up top show an output generated by the example code in this documentation. As a result, the print output from the aforementioned program would read "Hello World!" Any of these examples can be tested in the "Sandbox" exercise template that you can find in the programming environment.
As long as the command System.out.println("arbitrary text"); — that is, System dot out dot println open parenthesis ("the text" close parenthesis) and semicolon ; — does not change, you can print any text you want. The text "Hello there!" will be printed using the command below.
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Match Terms With Their Descriptions: 1. a mechanism that allows the program to have run-time access to the types and their structure and modify their behavior2. the memory representation of a class instance that contains its properties and a pointer to the list containing method pointers 3. a list of pointers to methods for a class[Choose ] virtual method table class instance record reflection
The technique that enables a computer to have access at runtime involves a virtual method table, class class records stored in memory, A list of procedure pointers for a class called Reflection.
Define the class pointer.A class port is a type of formal parameter that holds the address of a class object. In the figure shown, the class Rectangle is symbolized by two data members and one member procedure. Additionally, we produced an instance of that class called var1.
We use a connection to class because?Pointers are widely in use in C and C++ programs for three major reasons: to generate different items on the trash, to send functions to other methods, and to pass data to other variables. to repeatedly iterate over data structure or array members.
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Assume the variable x has been assigned a floating-point value. Write a statement that uses the print function and an F-string to display the value of x rounded to 1 decimal point, with comma separators. For example, if x is assigned the value 123477.7891, the statement would display: 123,477.8
Python program to round the decimal part of an input number. An image of the code and screen output of the algorithm is attached.
Python Codeif __name__ == '__main__':
# Define variablesagain = str()
numberofdecimals = int()
numberofintegers = int()
num = float()
again = "y"
print("*******Display the value of x rounded to 1 decimal point******* ")
while again=="y":
numberofdecimals = 0
numberofintegers = 0
the_decimals = ""
the_integers = ""
# Entry dataprint("Enter number (use . for decimals): ", end="")
while True:
num = float(input())
if not ((num>0 and num<999999.999999)):
print("Invalid")
if (num>0 and num<999999.999999): break
# Decompose the entered number into integer and decimal partnew_num = str(num)
num_size = len(new_num)
for a in range(1,num_size+1):
dig = new_num[a-1:a]
if dig==".":
numberofintegers = a-1
numberofdecimals = 1
if numberofdecimals==1:
for b in range(1,numberofintegers+1):
dig = new_num[b-1:b]
the_integers = the_integers+dig
for b in range(numberofintegers+2,num_size+1):
dig = new_num[b-1:b]
the_decimals = the_decimals+dig
else:
for b in range(1,num_size+1):
dig = new_num[b-1:b]
the_integers = the_integers+dig
# Convert the decimal part to a rounded numberlenght_number = len(the_decimals)
round_number = float(the_decimals)
round_number = round_number/(10**(lenght_number-1))
round_number = round(round_number)
result = the_integers+"."+str(round_number)
# Outputprint("rounded number: ",result)
print("Entry other number?: (y/n)", end="")
while True:
again = input()
again = str.lower(again)
if (again=="y" or again=="n"): break
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choose correct statements about operating systems (os):
i. os provide abstractions to hide complexity ii. process is the central abstraction iii. os provide security by enforcing access control iv. the distinction between kernel mode and user mode is essential for maintaining the os abstractions
Each and every statement mentioned in the question regarding OS (Operating System) are correct like abstractions to hide complexity, central abstraction and distinction between kernel mode and user mode.
Why every option is correct? Explain.
i. Operating systems provide abstractions to hide the complexity of hardware and other underlying systems, making it easier for users and applications to interact with the computer.
ii. A process is a central abstraction in an operating system, representing a running instance of a program. Operating systems manage processes and provide resources to them, such as memory and CPU time.
iii. Operating systems enforce access control to maintain security, preventing unauthorized access to sensitive information and resources.
iv. The distinction between kernel mode and user mode is an essential part of most operating systems and helps maintain the abstractions provided by the operating system. In kernel mode, the operating system has complete control over the hardware and can access all system resources. In user mode, the operating system provides a more restricted environment for applications to run in, preventing them from accessing sensitive resources or interfering with the operation of the operating system.
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which of the following statements is best illustrated by the decades-long business rivalry between the technology giants apple and microsoft?
The decades-long corporate competition between the digital behemoths Microsoft and Apple is the best example of how a company's competitive advantage is fleeting.
What distinguishes that one company from others?When a company has a competitive edge, it means it can produce goods or services for a lot less money than its rivals. Because of this, the company may set a lower price for its goods on the market and draw in the majority of customers.
Is a competitive advantage a one-sided phenomenon?One-dimensional thinking defines competitive advantage. Accounting profit, shareholder value, or economic value are three different ways to measure competitive advantage. A. The COGS/Revenue, R&D/Revenue, and SG&A/Revenue ratios are three ways to analyze a company's return on revenue.
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Which of the following describes more recent trends in communication technology that are used for business and that have potential to provide customers with three, four, or five-dimensional tours of their businesses? Select all that apply.
Question 5 options:
a. Virtual reality (VR)
b. Automated personal digital assistant
c. Internet of Things (IoT)
d. Artificial intelligence
e. Augmented reality (AR)
Answer:
i think the answer is C IoT
The following options describe more recent trends in communication technology that are used for business and have the potential to provide customers with three, four, or five-dimensional tours of their businesses:
a. Virtual reality (VR)
e. Augmented reality (AR)
Impacts of virtual reality and augmented reality technologiesBoth virtual reality (VR) and augmented reality (AR) technologies have the capability to create immersive experiences for customers, allowing them to explore and interact with businesses in three-dimensional (3D) or even higher dimensions. VR provides a fully immersive digital environment, while AR overlays digital content onto the real world, enhancing the user's perception of their surroundings.
These technologies have significant applications in various industries, including real estate, tourism, retail, and entertainment, where businesses can showcase their products, services, and locations to potential customers in engaging and interactive ways.
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You need to connect the satellite television signal to your HD 4K flat screen TV using a coaxial cable. Which of the following is the BEST type of coaxial cable to use? answer choices A. F-type B. RG-59 C. BNC D. RG-6
RG-6
F-Type and BNC are not cables, they are connectors on the end of the cable.
RG-59 has a smaller conductor than RG-6, so its not the best for UHF applications.
The best coaxial cable to use when connecting a satellite television signal to an HD 4K flat screen TV would be an RG-6. This is due to its superior signaling capabilities and greater bandwidth which are ideal for HD televisions.
Explanation:When connecting a satellite television signal to an HD 4K flat screen TV using a coaxial cable, it is advisable to use the RG-6 coaxial cable. The RG-6 cable type is preferred because it provides a larger conductor, which allows for superior signal quality compared to the alternative types. This type of cable also has greater bandwidth, which is ideal for high-definition televisions, such as an HD 4K flat screen TV. The other options: F-type, BNC, and RG-59, are types of cables or connectors that are not as well suited for transferring high-definition television signals.
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A program is created to perform arithmetic operations on positive and negative integers. The program contains the following incorrect procedure, which is intended to return the product of the integers x and y. A programmer suspects that an error in the program is caused by this procedure. Under which of the following conditions will the procedure NOT return the correct product? Select two answers? When the values of x and y are both positive. When the value of x is positive and the value of y is negative. When the value of x is negative and the value of y is positive. When the values of x and y are both negative.
The conditions under which the procedure will NOT return the correct product in a program are:
(1) when the values of x and y are both negative.
(2) when the value of x is positive and the value of y is negative.
What is a program?A series of instructions written in a programming language for a computer to follow is referred to as a computer program. Software, which also contains documentation and other intangible components, comprises computer programs as one of its components. The source code of a computer program is the version that can be read by humans. Program is a term that can be applied to any application, however, a program cannot be an application. An application is a group of programs created to aid end users in completing a task. To complete tasks or engage in activities, these programs converse with one another. Without software and tools to execute end-user commands, it cannot exist. A program, on the other hand, is a set of instructions that tell the computer what to do.
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Discuss how an operating system manages the computer's memory. Why is this important?
One can converse with the machine using this method even if you don't understand its language. This will help the processor to make the suggestion in a faster form.
What is a memory?The ability of the intellect to absorb, retain, and retrieve material or knowledge when necessary is known as memory.
An operating system's capacity to control and govern memory size and switch between the ram and the disc during the execution of tasks is known as memory management. Whether a memory address is free or has been given to a function, ram keeps a list of all of them.
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using the calc.exe program to create a malware trojan to deliver the meterpreter reverse shell, then check the malware with virustotal to determine if they will be identified as malicious. Upload to Virus Total.com backdoored exe _____ flagged as virus total anti-virus
The location, or the full path of the Win10 calculator: C:\Windows\System32\calc.exe Click the Button "Next".
What is calc.exe?
The Windows Calculator process and the Windows Calculator application file both contain an executable exe file called calc.exe. Software created by the creator of the Microsoft Windows operating system.
If the Windows 10 calc.exe process is crucial, you should be cautious when deleting it. Sometimes calc.exe process could be utilizing CPU or GPU too much. There's a chance that malware or a virus is active in the background.
Calc.exe is an executable file for the Windows operating system, including Windows XP, Windows 7, Windows 8, and Windows 10. Its.exe extension indicates this.
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classify the following statement as either true or false. the domain of a constant function consists of a single element.
True, there is only one element in a constant function's domain.
When will all real numbers be allowed in the domain?In set builder notation, the domain of f(x) can be written as "x | x 0." You can simply state the domain as "all real numbers" or use the symbol to represent all real numbers if the domain of a function is all real numbers (i.e., there are no restrictions on x).
How does one locate the domain?Find the values for the inputs. Exclude any real numbers from the radicand that have a negative value due to the even root. Solve for x by setting the radicand to be greater than or equal to zero. The function's domain is the solution(s).
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How many regular (not accountant Users) can access a QuickBooks Essential subscription at one time?
Which if the following statements are true?
- Routing and forwarding are interchangeable terms.
- Assume a source and a destination host. Before packets leave the source host, the host needs to define the path over which the packets will travel to reach the destination host.
- Intradomain routing refers to routing that takes place among routers that belong to the same administrative domain. In contrast when routers belong to different administrative domains we refer to routing as interdomain routing.
Intradomain routing refers to routing within a single administrative domain, while interdomain routing refers to routing between different administrative domains.
Routing and forwarding are not interchangeable terms. Routing refers to the process of determining the best path for data to travel from its source to its destination. Forwarding refers to the actual process of forwarding the data along the selected path.
The host must specify the route that packets will take to go to the destination host before they leave the source host. This is accomplished through routing. It's the responsibility of the routers, not the source host, to determine the best path for the packets to take.
Intradomain routing is the term used to describe routing between routers that are part of the same administrative domain. In contrast, interdomain routing refers to routing that takes place among routers that belong to different administrative domains. This is a true statement.
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4.18 LAB: Output range with increment of 5
Write a program whose input is two integers, and whose output is the first integer and subsequent increments of 5 as long as the value is less than or equal to the second integer.
Ex: If the input is:
-15 10
the output is:
-15 -10 -5 0 5 10
Ex: If the second integer is less than the first as in:
20 5
the output is:
Second integer can't be less than the first.
For coding simplicity, output a space after every integer, including the last.
In C programming language NOT C++
The program whose input is two integers, and whose output is the first integer and subsequent increments of 5 as long as the value is less than or equal to the second integer is in explanation part.
What is programming?Making a set of instructions that instruct a computer how to carry out a task is the process of programming. Computer programming languages like JavaScript, Python, and C++ can all be used for programming.
Here's an example program in Python that takes two integer inputs and outputs:
first_int = int(input("Enter the first integer: "))
second_int = int(input("Enter the second integer: "))
while first_int <= second_int:
print(first_int)
first_int += 5
Thus, this program prompts the user to enter the two integers.
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Jessica is making a presentation using a projector. Which element of a presentation can she project onto the screen using transparencies? A. animations B. transitions C. images D. video
Images are the element of a presentation can she project onto the screen using transparencies. Hence, option C is correct.
What is the effective use of transparencies in presentation?Making transparency is simple. Prepare your visual assistance on paper, then have a copier replicate it. But make copies onto a transparency rather than a blank sheet of paper. Transparencies can be created rapidly, revised quickly, and revised frequently in this manner.
An overhead transparency is a prepared image that is typically 8 by 11 on clear plastic or acetate for use with an overhead projector. A device that projects an image onto a screen called an overhead projector.
Thus, option C is correct.
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In the following, XandY represent data that needs to be modeled asY=aXm, where m can be negative or positive, and a > 0. Y contains noise, so we need to use least square interpolation. Using the supplied data, calculate a and m for the power law that best fit the data. In the solution submitted via Gradescope explain the choice for the variable transformation that you decided to use.
A variable swap a transformation applied to specific variable values.
What are several examples of variable transformation?
Examples of these transformations, if r is a variable, include xk,logx, ex,x,1x,sinx, or |x|. In statistics, records that don't have a Gaussian (normal) distribution are altered into records that do via using variable transformations, notably sqrt, log, and 1/x.
Calculate a and m for the power law that best fits the given data using the provided information.
interpspectra is the function for [a, m] (x,y)
% The points that will be interpolated are contained in the vectors x and y. In light of y=a*xm
p = polyfit(log(X, log(Y), 1)); X = data(:, 1); Y = data(:, 2);
Calling the method is done using the code
[x, y] = spectra();
[a, m] = Interpspectra (x,y)
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Identify the type of computers that has the highest storage capability.
(A) Subnotebooks
(B) Notebooks
(C) Personal computers
(D) Supercomputers
Supercomputers are the type of computers that has the highest storage capability. The correct option is D.
What are supercomputers?A supercomputer is a type of computer that performs at a higher level than a general-purpose computer.
Instead of million instructions per second, a supercomputer's speed is typically expressed in floating-point operations per second.
Supercomputers are frequently used for evaluating mathematical models of intricate physical processes or designs.
The sort of computers with the most storage capacity are supercomputers.
Thus, the correct option is D.
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which of the following is an example of a final good or service that would be included in the calculation of gdp
Answer:
ugggvghhbhjbbbbvggggggfbdhdhhw
Explanation:
vvvgyuyevsvsggsb#beedvshhhjjjej
what happens when both supply and demand for laptop computers increase?
Answer:
The demand curve will shift to thr the rightward.
Explanation:
The equilibrium price and quantity will increase
are formatting cells necessary
4. Create a Java application to calculate NY State taxes. A
user should be able to enter the taxable income, and the
program should display the taxes due. If the income is
below $20,000 the tax rate is 2%. If the income is
between $20,000 and $50,000 the tax rate is 3% and for
incomes greater than $50,000 the tax rate is 5%.
A Java application that calculates NY State taxes based on the given criteria:
The Java Programimport java.util.Scanner;
public class NYStateTaxCalculator {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
// Get the taxable income from the user
System.out.print("Enter your taxable income: $");
double income = scanner.nextDouble();
// Calculate the tax amount based on income
double taxAmount = 0;
if (income < 20000) {
taxAmount = income * 0.02;
} else if (income >= 20000 && income < 50000) {
taxAmount = 400 + (income - 20000) * 0.03;
} else if (income >= 50000) {
taxAmount = 1300 + (income - 50000) * 0.05;
}
// Display the tax amount
System.out.printf("Your NY State tax due is: $%.2f\n", taxAmount);
}
}
In this program, we first prompt the user to enter their taxable income using the Scanner class. We then calculate the tax amount based on the income using a series of if statements. Finally, we display the tax amount to the user using printf to format the output as a currency.
Note that we use the nextDouble() method of the Scanner class to get a double value from the user. We also use the printf method to format the tax amount with two decimal places.
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which of the following is a system-specific setting you can configure to optimize dns performance? (choose all that apply.)
The following system-specific configuration can be configured to enhance DNS performance: recursion settings, NIC settings.
What do DNS settings mean?Your laptop, phone, or router's DNS server configurations serve as your portal to the internet. Similar to how your contacts app translates names into phone numbers, they translate short, easy-to-remember domain names into real Internet Protocol addresses.
How do I set up a forward and reverse lookup zone in DNS?Select Administrative Tools by clicking Start, and then select DNS. Click Host name in the console's tree (where Host name is the host name of the DNS server). Click Reverse Lookup Zones in the console tree. Right-click Reverse Lookup Zones, then select New Zone.
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1. Differentiate between Input and Output. 2. The ALU fetches data from the RAM. True/False 3. The three (3) parts of the CPU are. 4. The System Unit is also called CPU. True/False 5. The RAM stores data permanently. True/False www.certiport.com 2NMS-XL5p 68
Answer:
Explanation:
Input refers to data that is entered into a computer system, while output refers to data that is produced by the system as a result of processing the input data. Input devices include the keyboard, mouse, and scanner, while output devices include the monitor, printer, and speakers.
False. The ALU (Arithmetic Logic Unit) performs arithmetic and logical operations on data within the CPU, but it does not fetch data from the RAM. The data is fetched by the CPU's control unit and temporarily stored in a register before being processed by the ALU.
The three parts of the CPU are the control unit, the arithmetic logic unit (ALU), and the memory unit or cache.
True. The system unit, also known as the "tower," is the main part of a desktop computer and contains the central processing unit (CPU), memory, and other components. It is often referred to as the "brain" of the computer and is also known as the central processing unit (CPU).
False. The RAM (Random Access Memory) is a type of computer memory that is used to temporarily store data while a computer is running. Unlike permanent storage devices such as hard drives, the data stored in RAM is lost when the computer is turned off or restarted
You want to build a new system that supports 16 GB of memory. Which of the following is the MOST important consideration when building the computer? CAS latency ECC memory 64-bit processor DDR3 memory
64-bit computer ,You require a 64-bit processor and a 64-bit operating system in order to utilise more than 4 GB of RAM. 32-bit processors can accommodate up to (or just under) 4 GB of memory CAS latency .
Which of the following indicate that your computer may require more memory?If you encounter lag while typing, your machine may require additional RAM. When you hit a key, your computer ought to respond almost instantly.
Which memory module supports data transfers in both 32-bit and 64-bit sizes?A DIMM's predecessor is a SIMM (single in-line memory module). DRAM or SDRAM chips are found in SIMM on printed circuit boards. In contemporary computers, paired identical SIMMs enable 64-bit data paths; one SIMM has a 32-bit data path.
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