The factor that is important in simplifying assumption that goes into our calculations is:
Option a. that the expansion of the universe has been happening at the same rate - neither speeding up or slowing down.What is Hubble time?The Hubble time is known to be a form of an estimate that is given to the age of the universe and it is one that is often based on the Hubble constant.
Note therefore, The factor that is important in simplifying assumption that goes into our calculations is:
Option a. that the expansion of the universe has been happening at the same rate - neither speeding up or slowing down.See full question below
When we determine the age of the universe using the Hubble Time (1/H0), what important simplifying assumption goes into our calculations?
a. that the expansion of the universe has been happening at the same rate - neither speeding up or slowing down
b. that all the galaxies are moving away from us at exactly the same speed, no matter how far away they are
c. that the cosmological principle doesn't hold: the universe is not isotropic and homogeneous
d. that we have accounted correctly for the effects of dark energy e. that the universe is actually contracting instead of expanding
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We wish to compute the laziest way to dial given n-digit number on a standard push-button telephone using two fingers. we assume that the two fingers start out on the * and # keys, and that the effort required to move a finger from one button to another is proportional to the euclidean distance between them. design and analyze an algorithm that computes in time o(n) the method of dialing that involves moving your fingers the smallest amount of total distance
Answer:
R(i, k) + dist(d[k], d[i+1]) over all k < i
Explanation:
44.4% complete Question A hacker, wanting to gain data on organizational ideas and inventions, uses a spear-phishing attack by creating a believable email containing malware and sending it to an executive, who thinks the email is legitimate and opens it, activating the malware. What is the hacker's goal?
The hacker's goal is to infiltrate the system by making their victims see reasons or believe that they will help them to handle or resolve their specific problems.
What is a spear phishing attack?“Spear phishing” is known to be a form of phishing goal that is said to often targets a particular person or group and it is one that do include information that is well known to be of interest to the target.
Note that the hacker's goal is to infiltrate the system by making their victims see reasons or believe that they will help them to handle or resolve their specific problems.
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What do we call a blinking indicator that shows you where your next action will happen?
Answer:
cursor
Explanation:
________ occurs when users move their activities, especially long-running transactions, across devices.
Cloud computing occurs when users move their activities, especially long-running transactions, across devices.
What is cloud computing?Cloud is known to be a kind of network-based access that is made with communication tools along such as emails and calendars.
Note that in the case above, Cloud computing occurs when users move their activities, especially long-running transactions, across devices.
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Given the IPv4 address in CIDR notation 215.200.110.50/25, identify the subnet ID that this address belongs to.
Data Blank______ is the collection of data from various sources for the purpose of data processing. Multiple choice question. summary management aggregation
Answer: data aggregation
Explanation:
data aggregation
Refer to Table 8-4. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals
If one uses the data above (in billions of dollars), the Gross domestic product (in billions of dollars) for this economy equals $1,200.
What is the GDP about?Note that:
GDP (Gross Domestic Product):
Thus it will be :
Consumption + Investment + Government expenditure + (Export - Import)
Which is:
GDP = 800 + 200 + 300 + (100 - 200)
GDP = $1200 billions
See full question below
Consumption expenditures $800
Investment expenditures 200
Government purchases 300
Exports 100
Imports 200
Wages 800
8) Refer to Table above. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals
A) $2,200.
B) $1,600.
C) $1,400.
D) $1,200.
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What is the purpose of installing updates on your computer?
The purpose of adding updates to your computer are as follows:
Making sure your computer hardware can run the newest software programsEnsuring the built-in virus protection software is up to dateRemoving bugs and glitches from your operating systemAllowing your computer to run as fast as possibleIn the formula =VLOOKUP(“shovel”, B2:D12, 3, FALSE), which part is the lookup value parameter?
A.
shovel
B.
FALSE
C.
B2:D12
D.
3
In the formula =VLOOKUP(“shovel”, B2:D12, 3, FALSE), the part that is the lookup value parameter is B2:D12.
What are the parameters in VLOOKUP?The VLOOKUP is known to often have four arguments:
lookup_value, table_array, column_index_num, range_lookupThis value is known to be a LOOKUP searches which is in an array. The lookup_value argument is one that be seen to be a number, text, a logical value.
Note that If LOOKUP is one that did not see or find the value of lookup_value, it is said to often uses the largest value in the array that is known to be smaller than or one that is equal to lookup_value.
Hence, In the formula =VLOOKUP(“shovel”, B2:D12, 3, FALSE), the part that is the lookup value parameter is B2:D12.
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Write the removeevens() method, which receives an array of integers as a parameter and returns a new array of integers containing only the odd numbers from the original array. the main program outputs values of the returned array.
hint: if the original array has even numbers, then the new array will be smaller in length than the original array and should have no blank element.
ex: if the array passed to the removeevens() method is [1, 2, 3, 4, 5, 6, 7, 8, 9], then the method returns and the program output is:
[1, 3, 5, 7, 9]
ex: if the array passed to the removeevens() method is [1, 9, 3], then the method returns and the program output is:
[1, 9, 3]
lab: remove all even numbers from an array
labprogram.java l.
1 import java.util.arrays;
2
3 public class labprogram {
4
5 public static int[] removeevens(int [] nums) {
6
7
8 }
9
10 public static void main(string[] args) {
11
12 int [] input {1,2,3,4,5,6,7,8,9};
13 int [] result = removeevens(input);
14
15 // helper method arrays.tostring() converts int[] to a string
16 system.out.println(arrays.tostring(result)); // should print [1, 3, 5, 7, 9]
17 }
18 }
Answer:
import java.util.*;
import java.util.Arrays;
public class LabProgram
{
// called function
public static int[] removeEvens(int [] nums)
{
// calculates the length of array
int len = nums.length;
int j=0;
// loop to keep count how many odd are there in array
for(int i=0;i<len;i++)
{
// condition for odd
if(nums[i]%2!=0)
{
// keeps count of odd
j++;
}
}
// declaration of array for odd nums
int newarray[] = new int[j];
j = 0;
// loop
for(int i=0;i<len;i++)
{
// condition for odd
if(nums[i]%2!=0)
{
// assigning odd number to new array
newarray[j] = nums[i];
// increment of j
j++;
}
}
// returning new array
return newarray;
}
// main program
public static void main(String[] args)
{
// array declaration
int [] input = {1,2,3,4,5,6,7,8,9};
// calling a function, passing the paramtere
int [] result = removeEvens(input);
//
System.out.println(Arrays.toString(result));
}
}
Explanation:
If the timer is started on November 17 at 4:00 pm and stopped three seconds later, what will display under Time elapsed:
If the timer is started on November 17 the thing that display under Time elapsed is that seconds is undefined.
Which is an undefined variable?An undefined variable is known to be a kind of a variable that is often used in a kind of a program that was said to be not previously declared in a source code.
In a lot of programming languages, this can lead to an error. Hence, If the timer is started on November 17 the thing that display under Time elapsed is that seconds is undefined.
See full question below
Code Example 11-1
from datetime import datetime, time
def main():
input("Press Enter to start...")
start = datetime.now()
month = start.strftime("%B")
day = start.strftime("%d")
hours = start.strftime("%I")
minutes = start.strftime("%M")
am_pm = start.strftime("%p")
print("Start time:",month,day,"at",hours,":",minutes,am_pm)
input("Press Enter to stop...")
stop = datetime.now()
month = stop.strftime("%B")
day = stop.strftime("%d")
hours = stop.strftime("%I")
minutes = stop.strftime("%M")
am_pm = stop.strftime("%p")
print("Stop time: ",month,day,"at",hours,":",minutes,am_pm)
elapsed_time = stop - start
new_days = elapsed_time.days
new_minutes = elapsed_time.seconds // 60
new_hours = new_minutes // 60
new_minutes = new_minutes % 60
print("Time elapsed: ")
if new_days > 0:
print("days:",new_days)
print("hours:", new_hours, ", minutes:", new_minutes)
if __name__ == "__main__":
main()
Refer to Code Example 11-1: If the timer is started on November 17 at 4:00 pm and stopped on November 18 at 6:30 pm, what is the value of seconds at the end of the program?
a. 95400
b. seconds is undefined
c. 1800
d. cannot tell
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A type of expansion card that enables communication over cellular network is referred to as:______.
A type of expansion card that enables communication over cellular network is referred to as a WWAN card.
What are the type of expansion card?The Network Interface Card (NIC) is known to be a kind of a card that gives room for computers to be able to communicate over a given computer network, and it is one that is either by using cables or wireless.
The WWAN card is known to be the Wireless Wide Area Network (WWAN) and this is known to be a kind of a wireless network that links one to the Internet via the use of cellular technology.
Hence, in the case above, A type of expansion card that enables communication over cellular network is referred to as a WWAN card and thus it is correct.
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When delivering 2023 murano, demonstrate how to turn the driver assistance technologies on or off using ________.
In the case above, it is by using
The Driving Aids screen that is shown in the Advanced Drive-Assist Display The Driver Assistance menu seen under Settings in the Advanced Drive-Assist Display.What are the packages is added for Murano?Murano is known to adds a lot of feature such as new Midnight Edition package, and blackout front grille, amidst others.
Note that In the case above, it is by using
The Driving Aids screen that is shown in the Advanced Drive-Assist Display The Driver Assistance menu seen under Settings in the Advanced Drive-Assist Display.Learn more about Cars from
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Write an SQL query for the HAPPY INSURANCE database that will, for each client of the agent named Amy, list the client's name and the name of the client's agent.
The SQL Query for the HAPPY INSURANCE database given above is:
SELECT ClientName, AgentName FROM Client, Agent WHERE ClientAgent = AgentID and AgentName = 'Amy';
Structured Query Language (SQL) is a computer language that is used to manage relational databases and execute different operations on the data contained inside them.
This implies that the above code will only work where there is a database to manage.
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Which of the nist cybersecurity framework functions investigates an organization’s cybersecurity management in the context of their business needs and resources?
The NIST cybersecurity framework functions that investigates an organization’s cybersecurity management in the context of their business needs and resources is the "Protect PR Function."
Cybersecurity is the defense against cyberthreats for systems linked to the internet, including their hardware, software, and data.
Individuals and businesses both utilize this technique to prevent illegal access to data centers and other digital systems.
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How many other deices could be on the same cable that connects this device to the motherboard?
Answer: 0
Explanation:
Create a program that will calculate and print to the screen a sales receipt
Answer:
The Code:
print('Invoice Bill')
table = Table(['Item Name', 'Item Price'])
total = 0
while(1):
name = input('Enter Item name:')
# "x" to exit and print the table
if(name != 'x'):
price = int(input('Enter the Price:'))
# store all the prices in "total"
total += price
table.add_row([name, price])
continue
elif(name == 'x'):
break
table.add_row(['TOTAL', total])
print(table)
print('Your total bill amount is ', total, '/-')
Explanation:
This program is written in the PYTHON language.
The user needs to enter the item name and price as much as they want; this will print the item name, item price and total in tabular form.
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Gui screen usually contain elements that are called?
Answer: Widgets
Components
Controls
Explanation:
China sends a computer virus that shuts down telephone service in the United States. In retaliation, the United States hacks into China's power grid and causes blackouts throughout the provinces. This exemplifies how the United States __________.
In the case above, it exemplifies how the United States can be both victim and perpetrator of cyberattacks.
What are cyberattacks?A cyber attack is known to be a form of an online assault that is said to be launched by a lot of cybercriminals through the use of one or more computers against a single or a lot of computers or networks.
Note that In the case above, it exemplifies how the United States can be both victim and perpetrator of cyberattacks as it is an online assault.
See options below
a. establishes military superiority
b. can be both victim and perpetrator of cyberattacks
c. places a low priority on cyberattack protection
d. has nothing to fear from cyberattacks
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Alina is using a small database that uses just one table to store data. What type of database is Alina using?
A.
flat file database
B.
relational database
C.
hierarchical database
D.
wide column database
Alina is using a small database that uses just one table to store data and this is known to be option A: a flat file database.
What is a database with one table called?This is known to be a Flat file database. A flat file database is known to be a kind of a type of database that saves data in a single table.
Note that it is one that are generally seen in plain-text form, and it often one where each line holds only one record.
Note also that this databases is made up of a single table of data that is said to have no interrelation and thus Alina is using a small database that uses just one table to store data and this is known to be option A: a flat file database.
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________ controls fix a trespass into the network. a. corrective b. detective c. preventive d. mitigating
Answer: Answer: corrective
Explanation:
If you were working in a library and had to arrange books from a sorted book discard pile to the sorted books on the shelf in proper order, your ideal choice would be:
A(n) ________ is a set of one or more computer programs that serves as an intermediary between the user and the DBMS.
Answer:
A database application is a set of one or more computer programs that serves as an intermediary between the user and the DBMS.
Explanation:
DBMS stands for Database Management Systems. Therefore, it would make sense that the database application is the set of computer programs that are the mediator between the user and the DBMS.
A(n) ________ is the association between tables where both tables contain a common field.
A) link.
B) data model.
C) relationship.
D) share point.
Answer: Relationship
Explanation: A relationship is an association between two tables where the tables contain a common field of data.
Your team at amazon is overseeing the design of a new high-efficiency data center at hq2. a power grid need to be generated for supplying power to n servers. all servers in the grid have to be connected such that they have access to power. the cost of connections between different servers varies. assume that there are no ties, names of servers are unique, connections are directionless, there is at most one connection between a pair of servers, all costs are greater than zero, and a server does not connect to itself. write an algorithm to minimize the cost of connecting all servers in the power grid. input two arguments - num, an integer representing number of connections. connectons, representing a list of connections where each element of the list consists of two servers and the cost of connection between the servers. note: the cost of connection between the servers is always greater than 0.
example input num = 5 connection = [[a,b,1], [b,c,4], [b,d,6], [d,e,5], [c,e,1]]
output [[a,b,1], [b,c,4], [c,e,1], [d,e,5]]
Answer:
void print2(int row) {
for (int i = 0; i < row; i++) {
char ch = 'a';
char print = ch;
for (int j = 0; j <= i; j++) {
cout << print++;
}
cout << endl;
}
}
int count_digits(int num) {
int count = 0;
int temp = num;
while (temp != 0) {
temp = temp / 10;
count++;
}
return (num % count);
}
Explanation:
; This program replaces the value in R0 with its absolute value. ; ; It does NOT modify any other registers! ; .ORIG x0200 START XXXXXXXX ; copy R0 to itself to set the condition codes based on R0 XXXXXXXX ; if R0 is NON-NEGATIVE, skip the negation (already correct) XXXXXXXX ; R0 is negative, so negate it XXXXXXXX DONE BR START .END
Using the knowledge in computational language in LC-3 Assembly it is possible to write a code that replaces the value in R0 with its absolute value
Writting the code.ORIG x0200
START
AND R0, R0, #0 ; copy R0 to itself to set the condition codes based on R0;
; i.e performing addition operation with Zero option to set the flags
BRzp DONE ; if R0 is NON-NEGATIVE, skip the negation (already correct);
; Branch to DONE if number is poistive
NOT R0, R0 ; R0 is negative, so negate it i.e taking 2's complement
ADD R0, R0, #1 ; R0 = -R0 is performed successfully
DONE BR START
.END
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what epo server task updates the distributed repositories from the master repository if you are not using lazy caching
The EPO server task that updates the distributed repositories from the master repository if you are not using lazy caching is replication task.
What is a replication task?A. replication task is known to be one that can multiply data from any Salesforce objects or any form of database tables.
Hence, The EPO server task updates the distributed repositories from the master repository if a person is not using lazy caching and this is called replication task.
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Given a list of syntax errors from a compiler, a programmer should focus attention on which error(s), before recompiling?
Given a list of syntax errors from a compiler, a programmer should focus attention on the first errors before recompiling,
What is first error?This is referred to a type of error which occurs during compilation in a syntax operation.
This error is suaully as a resuklt of incorrect spelling of variable or function name or parenthesis absence and should be corrected alone before recompiling is done thereby making it the most appropriate choice.
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____ versions of freeware and open source software are often available to the public for testing.
a. Benchmark.
b. Bug.
c. Alpha.
d. Beta.
The _____ method of developing systems produces code that is modular and reusable.
The object-oriented analysis method of developing systems produces code that is modular and reusable.
What is object oriented system analysis?Object-oriented systems analysis and specification (OSA) is known to be a kind of a method that is often used in regards to systems analysis and this is known to be one that helps to create or builds on the strengths of former systems and, at also at the same time, look into their weaknesses.
Note that this is said to be the basic idea behind the OSA methodology that are known to be described. The framework of OSA system models is known to be object class.
Hence, The object-oriented analysis method of developing systems produces code that is modular and reusable.
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