Computers And Technology College

b) What is system software? Write its importance.​

Answers

Answer 1

Answer:

System software is software designed to provide a platform for other software. Examples of system software include operating systems like macOS, Linux, Android and Microsoft Windows, computational science software, game engines, search engines, industrial automation, and software as a service applications.

Explanation:

Related Questions

So has anyone opened the link/file those people are giving out as answers? Like what are they, viruses, answers, nothing??? Someone that has opened one tells me what it was and what happened because I am to scared to open it.

Answers

Answer:

They're viruses that why they answer so quick and get deleted quickly

Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20.
The program performs the following tasks:
Read the file name of the tsv file from the user.
Open the tsv file and read the student information.
Compute the average exam score of each student.
Assign a letter grade to each student based on the average exam score in the following scale:
A: 90= B: 80=< X < 90
C: 70=< X < 80
D: 60=< X < 70
E: X < 60
Compute the average of each exam.
• Output the last names, first names, exam scores, and letter grades of the students into a text file named report.txt.
• Output one student per row and separate the values with a tab character.
• Output the average of each exam, with two digits after the decimal point at the end of report.txt. Hint: Use the setprecision manipulator to format the output.
Ex: If the input of the program is:
StudentInfo.tsv
and the contents of Studentinfo tsv are:
Barrett Edan 70 45 59
Bradshaw Reagan 96 97 88
Charlton Caius 73 94 80
Mayo Tyrese 88 61 36
Stern Brenda 90 86 45
the file report.txt should contain:
Barrett Edan 70 45 59 F
Bradshaw Reagan 96 97 88 A
Charlton Caius 73 94 80 B
Mayo Tyrese 88 61 36 D
Stern Brenda 90 86 45 C
Averages: midtermi 83.40, midterm2 76.60, final 61.60

Answers

#include
#include
#include
#include
#include
#include


using namespace std;

// Class student required to store the data
class Student{
public:
string lname;
string fname;
int marks[3];
char grade;

// Function which generates the grade for student
void calculate_grade(){
double sum = 0;
for(int i=0;i<3;i++){
sum+= marks[i];
}
double average = sum/3;
if(average>=90 && average<100)
this->grade = 'A';
else if(average>=80)
this->grade = 'B';
else if(average>=70)
this->grade = 'C';
else if(average>=60)
this->grade= 'D';
else this->grade = 'F';
}
};

// This function reads the file , and creates a vector of Students data
vector read_file(string fileName){

// Opening the file
fstream fin;
fin.open(fileName);


// Temp variables
vector list;
vector row ;
string line, word, temp;

// Read the data into vector
while(getline(fin,line)){
row.clear();
stringstream s(line);

while(getline(s,word,'\t')){

row.push_back(word);

}
Student st;
st.fname = row[0];
st.lname = row[1];
st.marks[0] = stoi(row[2]);
st.marks[1] = stoi(row[3]);
st.marks[2] = stoi(row[4]);
st.calculate_grade();
list.push_back(st);
}
fin.close();
return list;
}

// This function takes filname to be output as input, and list of student
void writeFile(string filename, vector list){

// Opening the new file
ofstream fin(filename);
for(int i=0;i string line = list[i].fname+"\t"+list[i].lname+"\t"+to_string(list[i].marks[0])+"\t"
+to_string(list[i].marks[1])+"\t"+to_string(list[i].marks[2])+"\t"+list[i].grade+"\n";
fin<
}


// Find the stats required
double average1 =0,average2 =0 ,average3 = 0;
for(int i=0;i average1+=list[i].marks[0];
average2+=list[i].marks[1];
average3+=list[i].marks[2];
}
average1/=list.size();
average2/=list.size();
average3/=list.size();

// Writting the stats
fin<<"\n"<<"Average: "<<"mid_term1 "<
// Closing the file
fin.close();
}
int main(){

// Taking the input
cout<<"Enter the filename: ";
string filename;
cin>>filename;
vector list;

// Reading and Writting to the file
list = read_file(filename);
writeFile("report.txt",list);


}

What is a shell programming? Write a shell program to get the following details from the student: NAME, AGE, USN and GENDER. Output all the details to the terminal and also display message whether the student is eligible to vote or not

Answers

Shell programs are computer programs designed to run on the Unix/Linux shell

The shell program where comments are used to explain each line is as follows:

#This gets input for NAME

read NAME  

#This gets input for AGE

read AGE  

#This gets input for USN

read USN

#This gets input for GENDER

read GENDER

#This prints the name

echo "Name: $NAME"

#This prints the age

echo "Age: AGE"

#This prints the usn

echo "USN: USN"

#This prints the gender

echo "GENDER: $GENDER"

#The following if condition determines, if the user is eligible to vote or not

if [ $USN -gt 50 ] then

echo "You are not eligible"

else

echo "You are eligible"

Read more about computer programs at:

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What is it called when a unique letter is assigned to a shared drive

Answers

Answer:

Assigning a drive letter to a network drive is called mapping the drive, or linking the drive, by network nerds.

Explanation:

Additional rows and columns are inserted into a table using the
tab.
o Table Tools Design
o Insert Table
o Table Tools Layout
o Table Tools Insert

Answers

The Option D , Table Tools Insert

You are given an array of integers. Your task is to create pairs of them, such that every created pair has the same sum. This sum is not specified, but the number of created pairs should be the maximum possible. Each array element may belong to one pair only.

Write a function

class Solution public int
solution (int[] A); }

that, given an array A consisting of N integers, returns the maximum possible number of pairs with the same sum.

Examples:
1. Given A = [1, 9, 8, 100, 2], the function should return 2. The pairs are (A[0]. A[1]) and (A[2], A[4]); the sum of each pair is 10.
2. Given A = [2, 2, 2, 3], the function should return 1. Although, for instance, A[0]+A[1] = A[0]+A[2], the pairs (A[0], A[1]) and (A[0], A[2]) cannot exist at the same time, because they both contain a common element, A[0].

Answers

Complete PYTHON code with explanation:

def solution(nums):

# form a dictionary which will store

# the possible pair's sum as key and the indexs used for the sum

sumAndpair = {}

# for every element in list nums

for i in range(len(nums)):

# iterate on all the element to the right of current element

for j in range(i+1,len(nums)):

# calculate the sum of current 2 elements

sum = nums[i] + nums[j]

# if the sum is already in the dictionay

if sum in sumAndpair:

# check if the current index have already been used

# if yes, then continue to next iteration

# this will make sure that same number have not been used more than once

if i in sumAndpair[sum] or j in sumAndpair[sum]:

continue

# if no, then append the current i and j to the value of current sum

else:

sumAndpair[sum].append(i)

sumAndpair[sum].append(j)

# if the current sum is not in the dictionary

# add the sum as key with a list of index used

else:

sumAndpair[sum] = [i, j]

# copmpute the maximum possible number of pairs with the same sum

# which will be the maximum length value out of all the possible sum

# this maximum length will be divided by 2, since a pair of i, j contrinute to one sum

maxLength = 0

for key, value in sumAndpair.items():

if maxLength

Responsible manner in video and audio conferencing​

Answers

Answer:

1.Mute yourself when not speaking.

2.Be on time.

3.Ensure your technology works correctly.

4.Use technology to fully engage remote participants.

Explanation:

Suppose a password must have at least 8, but no more than 12 characters, where each character can be either:

Answers

Answer:

A combination of uppercase letters, lower case letters, numbers, and special characters.

Explanation:

A password is a word that permit you to register, log or sign in a site.

Which of the following Access objects provides a user-friendly data entry method?
Select one:
a. query
b. table
c. form
d. report

Answers

Answer:

Table

Explanation:

Microsoft Access uses an object called a _____ to enter and organize data.

The answer is table.

list different examples of models​

Answers

Answer:

Planet 3D model

Chemical reactions on a computer simulation

Flowchart of how science has changed over time

Tectonic plate movement in a drawing or picture

Making an Atom cake (i've done it and it was fun)

Earth foam Structure with a quarter or it cut out to show the inside

how to count binary ? Help Better understand this question

Answers

Explanation:

For each row in the picture, you have to switch on some of the bits to create the number on the left.

Each bit has a value, a "weight" so to speak. By switching on the bit, you add that weight to the sum.

These "weights" are shown at the top row.

So to create 4, it's easy, you just switch on the '4' bit.

Same for 128, only one bit has to be switched on.

40 is a bit more involved, now you have to switch on 32 and 8, since 32+8 is 40.

For every number, there is exactly one combination of switched on bits to create that number. In the case of 40, the binary representation is:

00101000.

Where is the option to set Conditional Formatting rules found?
O Insert tab in the Formatting group
O Page Layout tab in the Styles group
O Home tab in the Styles group
Formulas tab in the Formatting group

Answers

Answer:

C. Home tab in the Styles group

Explanation:

answer on edge 2021

Consider the following declaration:
String s = "cat";
Which of the following statements assigns the number of characters in s to k?

A. int k = s.length;
B. int k = s.length();
C. int k = s.size;
D. int k = s.size();

Consider the following declarations:
String s1 = "apple";
String s2 = "apple";
What is the result of s1.compareTo(s2)?

A. true
B. false
C. 0
D. 1

Consider the following declarations:
String s1 = "apple";
String s2 = "APPLE";
Which of the following expressions is true?

A. s1.equals(s2) && s1.equalsIgnoreCase(s2)
B. !s1.equals(s2) && s1.equalsIgnoreCase(s2)
C. s1.equals(s2) && !s1.equalsIgnoreCase(s2)
D. !s1.equals(s2) && !s1.equalsIgnoreCase(s2)

Answers

Answer:

B, C, B

Explanation:

According to my understanding of these questions, these are in Java.

For the first one, there is a built in function called .length() for a string, so it's answer B.

For the second one, this should come out as C, 0 since compareTo compares the ascii values of the characters.

The third one's answer should be B. s1.equals(s2) for characters that are caps and not caps comes out with false, so ! would negate it. s1.equalsIgnoreCase(s2) would come out as true, ignoring the cases of APPLE.

How to use section header in word document?

Please answer fast​

Answers

Answer:

Configure headers and footers for different sections of a document

Click or tap the page at the beginning of a section. Select Layout > Breaks > Next Page. Double-click the header or footer on the first page of the new section.

Explanation:

"""
Multiply.py - This program prints the numbers 0 through 10 along
with these values multiplied by 2 and by 10.
Input: None.
Output: Prints the numbers 0 through 10 along with their values multiplied by
2 and by 10.
"""
head1 = "Number: "
head2 = "Multiplied by 2: "
head3 = "Multiplied by 10: "
NUM_LOOPS = 10 # Constant used to control loop.
print("0 through 10 multiplied by 2 and by 10" + "\n")
# Initialize loop control variable.
# Write your counter controlled while loop here
# Multiply by 10.
# Multiply by 2.
print(head1 + str(numberCounter))
print(head2 + str(byTwo))
print(head3 + str(byTen))
# Next number.
Summary
In this lab, you use a counter-controlled while loop in a Python program. When completed, the program should print the numbers 0 through 10, along with their values multiplied by 2 and by 10. The data file contains the necessary variable declarations and output statements.
Instructions
Make sure the file Multiply.py is selected and opened.
Write a counter-controlled while loop that uses the loop control variable (numberCounter) to take on the values 0 through 10.
In the body of the loop, multiply the value of the loop control variable by 2 and by 10. Remember to change the value of the loop control variable in the body of the loop.
Execute the program by clicking the "Run Code" button at the bottom of the screen.

Answers


head1 = "Number: "
head2 = "Multiplied by 2: "
head3 = "Multiplied by 10: "
NUM_LOOPS = 10 # Constant used to control loop.

print("0 through 10 multiplied by 2 and by 10" + "\n")

# Initialize loop control variable.
# Write your counter controlled while loop here
# Multiply by 10.
# Multiply by 2.
x = 0
while(x<11):
print(head1 + str(x))
print(head2 + str(x*2))
print(head3 + str(x*10))
x += 1
# Next number.

Which meter would you use to determine which lamp is defective in the shortest possible time? Explain how you would use this meter and why.

Answers

Answer:

bla bla bla bla

Explanation:

I dont anther stand

Consider that a man is watching a picture of a Black Horse. He receives an external stimulus from input channel. Man gains some information about the picture from external environment and stores it in the memory. Once the initial information is gained, it is compared with the memory and then stores it. Finally upon perceiving and storing the information in memory Man says that the picture contains Black horse.
Based on the information-processing model, cognition is conceptualized as a series of processing stages where perceptual, cognitive, motor processors are organized in relation to one another.
You are required to identify and elaborate that which cognitive processes i.e. Perceptual system, Cognitive system, and motor system are involved when man interacts with the picture and also that which input channel is responsible in taking information to the brain.

Answers

The first Cognitive Process that was in play according to the excerpt is Perceptual System. It is also called Perceptual Representation and Intelligence.

This function of the brain is responsible for the sensory input which may be auditory (sounds), visual (pictures), and kinesthetic (emotions or feelings).

So the Perceptual Cognitive system (visual) relays the input (image of the horse to his brain, then it is stored.

This next stage is handled by the memory.  Memory (a crucial process for learning) is a cognitive function that enables us to code, store, and recover information from the past.

Notice that the man perceived the information, and as the input interacts with the memory, he is able to say that the image or picture contains a black horse because there is a recall function.

Learn more about cognitive functions in the link below:

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What was the main limitation of computer networking that the invention of the Robert website of the 1990s

Answers

Answer:

The TCP/IP protocol could only be used in universities, governments, and businesses. People around the world could not send data to one another.

I really need help with this question! Please help!

Answers

Answer:

(C) Emma goes to sleep late and does not set an alarm.

Explanation:

Decomposing a problem is setting a back drop inference as to (WHY?) something happens . So Emma woke up late , the only reasonable (WHY?) in this question would be (C)

Question # 9
Multiple Choice
Which option best describes open source software?


a type of software that can be freely used and modified

a type of software that works well with almost all applications and drivers


a type of software used to sync up to Windows


a type of software used to bundle products together

Answers

Answer:

the first option is the best description for an OSS

VPN or Proxy is safer?

Answers

Proxy chain is safer

what are organization tools?

Answers

an app or software created to optimize your daily task performance

List the four types of computer cases

Answers

Answer:

full-tower, mid-tower, mini-tower, and SFF(Small Factor Form).

I hope it helps.

This is the answer. Hope it’s helpful

list 3 things needed in order to complete mail merge process.



pls help me!​

Answers

There are three documents that are involved in the mail merge process:

1- the main document
2- the data source
3- the merged document.

What does it mean "Be Proactive"?

Answers

Answer:controlling a situation by making things happen or by preparing for possible future problems

Explanation:

Make things happen instead of waiting for them

In Python which is the correct method to load a module math?

Answers

Answer: The math module is a standard module in Python and is always available. To use mathematical functions under this module, you have to import the module using import math .

Explanation:

Your job is to protect your company's information assets. What security objectives
should you address?
1) Assets, liabilities, and threats
2) Common vulnerabilities and exposures
3) Confidentiality, integrity and availability
4) Risks, threats and vulnerabilities

Answers

Answer:3

Explanation: The CIA Triangle is the basis of all Security related needs.

An ATM allows a customer to withdraw maximum amount of 500

Answers

Answer:

true

Explanation:

Algorithm:

Print "Enter the initial amount: $"
Get totalAmount

Repeat the following steps until totalAmount <= 0 or the user wants to exit
Get withdrawAmount

if withdrawAmount > 500
Print "You cannot withdraw amount of $500 per day."
otherwise
serviceCharge = 0

if withdrawAmount > 300
Find the serviceCharge as below
serviceCharge = (withdrawAmount - 300) * 0.04

Find the deductions as below
deductions = withdrawAmount + serviceCharge

if deductions > totalAmount
Print "Insufficient funds!"
Print "Allow with a service charge of $25? (Y/N): "
Get choice

if choice == 'y' or choice == 'Y'
Find the totalAmount as below
totalAmount -= (deductions + 25)
Print "Service charges: $" serviceCharge
Print "Additional charge: $25"
Print "Current balance: $" totalAmount
otherwise
Find the totalAmount as below
totalAmount -= deductions
Print "Service charges: $" serviceCharge
Print "Current balance: $" totalAmount

if totalAmount > 0
Print "Continue to withdraw? (Y/ N): "
Get choice;

if choice != 'y' and choice != 'Y'
Print "Current balance: $" totalAmount
Set repeat = false;

if totalAmount <= 0
Print "You should deposit an amount of money."

-------------------------------------------------------------------------------

Complete Program:

#include
#include
using namespace std;

int main()
{
double totalAmount;
double withdrawAmount;
double deductions;
char choice;
bool repeat = true;

cout << "Enter the initial amount: $";
cin >> totalAmount;

while(totalAmount > 0 && repeat)
{
cout << "\nEnter an amount to withdraw: $";
cin >> withdrawAmount;

if(withdrawAmount > 500)
{
cout << "You cannot withdraw amount of $500 per day." << endl;
}
else
{
double serviceCharge = 0;

if(withdrawAmount > 300)
serviceCharge = (withdrawAmount - 300) * 0.04;

deductions = withdrawAmount + serviceCharge;

if(deductions > totalAmount)
{
cout << "Insufficient funds!" << endl;
cout << "Allow with a service charge of $25? (Y/N): ";
cin >> choice;

if(choice == 'y' || choice == 'Y')
{
totalAmount -= (deductions + 25);

cout << "Service charges: $" << serviceCharge << endl;
cout << "Additional charge: $25" << endl;
cout << "Current balance: $" << totalAmount << endl;
}
}
else
{
totalAmount -= deductions;

cout << "Service charges: $" << serviceCharge << endl;
cout << "Current balance: $" << totalAmount << endl;
}
}

if(totalAmount > 0)
{
cout << "\nContinue to withdraw? (Y/ N): ";
cin >> choice;

if(choice != 'y' && choice != 'Y')
{
cout << "Current balance: $" << totalAmount << endl;
repeat = false;
}
}
}

if(totalAmount <= 0)
cout << "You should deposit an amount of money." << endl;

cout << endl;
system("pause");
return 0;
}

smart art is considered a​

Answers

Explanation:

visual representation of information and ideas, and a chart is a visual illustration of numeric values or data. Basically, SmartArt graphics are designed for text and charts are designed for numbers. Use the information below to decide when to use a SmartArt graphic and when to use a chart.

At what layer in the TCP/IP protocol hierarchy could a firewall be placed to filter incoming traffic by means of:

a) message content
b) source address
c) type of application​​

Answers

The answer is c) type of application

The most significant protocol at layer 3, often known as the network layer, is the Internet Protocol, or IP.The IP protocol, the industry standard for packet routing among interconnected networks, is the source of the Internet's name.  Thus, option C is correct.

What are the TCP/IP protocol hierarchy could a firewall?

Application-layer firewalls operate at the TCP/IP stack's application level (all browser traffic, or all telnet or ftp traffic, for example), and thus have the ability to intercept any packets going to or from an application. They stop different packets (usually dropping them without acknowledgment to the sender).

Firewalls are frequently positioned at a network's edge. An external interface is the one that is located outside the network, while an internal interface is the one that is located inside the firewall.

Therefore, The terms “unprotected” and “protected,” respectively, are sometimes used to describe these two interfaces.

Learn more about TCP/IP here:

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#SPJ2

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It was 11:30 a.m., and the Town Pavilionthe office building Ji-Suk's food truck Bul-GO!-gi was parked outside ofwas about to unleash a stampede of customers. I have to get this beef marinating, otherwise in a half hour I'm going to lose a bunch of hungry tax consultants to the chicken and waffle guys across street.Seo-Jun smiled, but Ji-Suk couldn't see his eyes from under his royal blue cap. Then she realized he was still looking at his phone, which he was concealing below his knees as his fingers tapped the screen.Hey! She threw a kitchen towel at him, and it unfurled in midair and landed on his head, draping itself over the brim of his cap.Okay, okay, I'll do it.Ji-Suk had made a name for herself in Kansas City, especially after a local magazine wrote a big cover story when she left her job as an attorney at a law firm after seven years to start a food truck business. If her own mother had still been alive, she would have been quite upset with Ji-Suk for that. Her mother had spent years learning to speak relatively good English, and shed been determined to make sure Ji-Suk graduated from a respectable college and became a lawyer. Even though she'd made Ji-Suk take Korean lessons every Saturday morning followed by violin lessons in the afternoonand cooked kimchi and other Korean delicacies with her at least once a weekJi-Suk's mother had wanted her to succeed by American standards. And she had. She'd become a lawyer, just like her mother wanted, but she'd also learned to love burnt end barbecue, a local culinary favorite. She was an avid fan of the Kansas City Chiefs. She even loved playing softball; she had a wickedly fast windmill pitch, having played throughout college and graduate school and on the law firm's recreational team. Ji-Suk had succeeded by American standards in ways her mother couldn't have imagined, and in ways her mother probably didn't want, but Ji-Suk couldn't do anything about that. She was American, just as much as she was Korean, and even though her mother wouldn't have wanted her to do it, starting the food truck was Ji-Suk's way of honoring her mother and showing that she valued what her mother had taught her.Still, she was determined not to force Seo-Jun to do the things her mother had forced her to do. He wouldn't have to take violin lessons, nor would he have to learn Korean. She was more than willing to let him take Korean lessons if he showed any interest, but he never did.She wasn't sure, however, whether she was doing the right thing, as Seo-Jun didn't seem to want to play sports, nor did he have any serious hobbies. He got by in school, but he didnt apply himself. He was mostly interested in his friends. 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"The boy was tall, with long auburn hair tied in a pony-tail at the nape of his neck and a smatteringof freckles across his nose." (Paragraph 12)C. "The city, in our world, could refer to several nearby places Hartford, New York, Boston - but mostly, wemeant it as a code." (Paragraph 15)D. "When I walked into Mrs. Bleyer's homeroom, the girl Cheboygan was sitting at my usual desk" (Paragraph16)