Explanation:
if we use the above command with -h then this will show the result in human readable format.
df -h
Ex: df -h test3 (The command as asked in the question)
So the above command is showing the disk status in Gigabyte format.
Try the same command in your system. If directory test 3 is not present then create a new one with mkdir command.
To what do the concepts of a paradigm shift, Moore's Law and the technology adoption life cycle refer?
Write an expression to print each price in stock prices.
Sample output with inputs:
34.62
76.30
85.05
# NOTE: The following statement converts the input into a list container 2 stock_prices - input().split() 5 4 for "solution goes here": print('s', price) Run TL
Answer:
The program written in python is as follows
prices = "34.62 76.30 85.05"
stock_prices = prices.split()
for price in stock_prices:
print('s', price)
Explanation:
This line initialized the input prices using a string variable named prices
prices = "34.62 76.30 85.05"
This line converts prices to list
stock_prices = prices.split()
The following iteration prints each element of the list
for price in stock_prices:
print('s', price)
With _____, devices embedded in accessories, clothing, or the users body and connect to the internet of things to process and store data.
Answer:
Wearables
Explanation:
Wearables is a term that describes some certain forms of electronic devices that are embedded in accessories, clothing, or the user's body and connect to the internet of things to process and store data. For example fitness tracker, body-mounted sensor, etc. It is sometimes referred to as Wearable Technology
Hence, the correct answer to this question is simply termed WEARABLES.
In the following scenario, which is the least
important criteria in evaluating the technological
device?
A college student needs a laptop that can be used
while commuting on the train and sitting in lecture.
Connectivity
Size
Speed
Storage
Answer:
Size
Explanation:
Connectivity, they need internet to work.
Speed, they need it to work fast.
Storage, they need space to work.
Size, isn't all that important, unlike the rest.
In the following scenario, the least important criterion in evaluating the technological device is its size. Thus the correct option is B.
What is Laptop?A laptop is referred to as a portable computer that is easy to carry and performs a similar function to a computer with advanced technology. This is well suitable to use in jobs like traveling as it does not require sitting space like a PC.
In this case, when a college student needs s a laptop that can be used while commuting on the train and sitting in a lecture the least criterion in evaluating the device in size as it is already portable and easy to carry so not required importance.
While evaluating any technological device its speed and storage play a significant role in decision making as it smoothes the operations of the device and performs tasks quickly.
As it is used in train and lectures connectivity also plays a significant role in establishing communication with each other. Therefore, option B is appropriate.
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What will allow you to purchase software without receiving full rights to the program?
Answer:
i need free points cus i have zero sry
Explanation:
Answer: an end user license agreement or (EULA)
Explanation:
Consider the following Python program. fin = open('words.txt') for line in fin: word = line.strip() print(word) What is word?
a. A file object
b. A list of characters
c. A list of words
d. A string that may have a newline
e. A string with no newline
Answer:
(c) A list of words
Explanation:
First let's format the code properly
fin = open('words.txt')
for line in fin:
word = line.strip()
print(word)
Second, let's explain each line of the code
Line 1:
The open() function is a built-in function that takes in, as argument, the name of a file, and returns a file object that can be used to read the file.
In this case, the name of the file is words.txt. Therefore, the variable fin is a file object which contains the content of the file - words.txt
Line 2:
The for loop is used to read in each line of the content of the file object (fin).
Line 3:
Each line of the contents is stripped to remove any trailing and leading white spaces by calling on the strip() function. The result of the strip is stored in the variable word.
Line 4:
The content of word at each of the cycles of the loop is printed to the console.
Therefore, the overall output of the program is a list of words where each word represents a line in the target file (words.txt)
The program is an illustration of string manipulations.
word represents (e) A string with no newline
The program is given as:
fin = open('words.txt')
for line in fin:
word = line.strip()
print(word)
On line 3 of the program, the variable word contains the value of the string line, after the new lines and trailing spaces have been removed from the variable line.
This means that: variable word is a string with no newline
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Write an expression that will print "in high school" if the value of user_grade is between 9 and 12 (inclusive). Sample output with input: 10 in high school
Answer:
Here is the expression:
user_grade = 10 #assigns 10 to the value of user_grade
if user_grade >=9 and user_grade <=12: #checks if the user_grade is between 9 and 12 inclusive
print('in high school') # prints in high school if above condition is true
else: #if user_grade is not between 9 and 12 inclusive
print('not in high school') # prints not in high school if user_grade is not between 9 and 12 inclusive
This can also be written as:
user_grade = 10 # assigns 10 to user_grade
if 9<=user_grade<=12: #if statement checks if user_grade is between 9 and 12 inclusive
print('in high school') #displays this message when above if condition is true
else: #when above if condition evaluates to false
print('not in high school')#displays this message
Explanation:
If you want to take the user_grade from user as input then:
user_grade = int(input("Enter user grade: "))
if user_grade >=9 and user_grade <=12:
print('in high school')
else:
print('not in high school')
The expression
if user_grade >=9 and user_grade <=12:
contains an if statement that checks a condition that can either evaluate to true or false. So the if condition above checks if the value of user_grade is between 9 and 12 inclusive.
Here the relational operator >= is used to determine that user_grade is greater than or equals to 9. relational operator <= is used to determine that user_grade is less than or equals to 12.
The logical operator and is used so both user_grade >=9 and user_grade <=12 should hold true for the if condition to evaluate to true. This means the user_grade should be between 9 and 12 (inclusive).
For example is user_grade = 10 then this condition evaluates to true as 10 is between 9 and 12 (inclusive). Hence the message: in high school is displayed on output screen.
But if user_grade= 13 then this condition evaluates to false because 13 is greater than 12. Hence the message: not in high school is displayed on output screen.
If user_grade = 8 then this condition evaluates to false because 8 is less than 9. Notice here that 8 is less than 12 so one part of the condition is true i.e. user_grade <=12 but we are using logical operator and so both the parts/expressions of the if condition should evaluate to true. This is why this condition evaluates to false. Hence the message: not in high school is displayed on output screen.
The screenshot of program and its output is attached.
Following are the program to the given question:
Program Explanation:
Include header file.Defining the main method.Defining an integer variable "user_grade" that inputs the value from the user-end.In the next step, a conditional statement is declared that checks the input value within "9 to 12", if the value is true it will use a print method that prints the user input value with a message.Otherwise, it will print the value with the message.Program:
#include <iostream>//header file
using namespace std;
int main()//main method
{
int user_grade;//defining integer variable user_grade
cin>>user_grade;//input user_grade value
if(user_grade>9 && user_grade<12)//defining if block that check input value is between 9 to 12
{
cout<<user_grade<<" in high school";//print value with message
}
else//else block
{
cout<<"not in high school";//print value with message
}
return 0;
}
Output:
Please find the attached file.
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Using C++, complete function PrintPopcornTime(), with int parameter bagOunces, and void return type. If bagOunces is less than 2, print "Too small". If greater than 10, print "Too large". Otherwise, compute and print 6 * bagOunces followed by "seconds". End with a newline. Example output for ounces = 7:42 seconds1 #include 2 using namespace std; 34 void PrintPopcornTime(int bagOunces) { 56 /* Your solution goes here */ 78 } 9 int main() { 10 int userOunces; cin >> userOunces; 11 PrintPopcornTime12 13 return 0; 14 }
Answer:
#include <iostream>
using namespace std;
void PrintPopcornTime(int bagOunces) {
if(bagOunces < 2)
cout << "Too small" << endl;
else if(bagOunces > 10)
cout << "Too large" << endl;
else
cout << 6 * bagOunces <<" seconds" << endl;
}
int main()
{
int userOunces;
cin >> userOunces;
PrintPopcornTime(userOunces);
return 0;
}
Explanation:
Inside the function PrintPopcornTime, check the parameter bagOunces using if structure. Depending on the value of bagOunces, print the required information.
Inside the main, ask the user for the userOunces. Call the PrintPopcornTime function with the userOunces.
It is vital to research each of the services you plan to disable before implementing any change, especially on critical machines such as the:
The available options are:
A. Servers in the test environment.
B. Domain controller and other infrastructure servers.
3. Desktops that have previously been attacked.
4. Desktops are used by upper-level management.
Answer:
Domain controller and other infrastructure servers
Explanation:
A domain controller is a critical machine or server in a network operation on Microsoft Servers. It serves as the authorization point in which security authentication can be granted, such as managing users' account data, security policy, and all other vital information well arranged and secured.
Hence, considering the available options, the right answer is "Domain controller and other infrastructure servers."
Many clustering algorithms that automatically determine the number of clusters claim that this is an advantage. List two situations in which this is not the case
Answer:
The list of those two situations is given below.
Explanation:
Case 1:
Yet another condition for manual cluster formation that wasn't an improvement would be whenever the number of observations measured is higher than even the machine can accommodate.
Case 2:
The second scenario which isn't an improvement whenever the original data is recognized for automated cluster analysis, and therefore also implementing the algorithms doesn't generate any extra details.
A _________ level breach of security could cause a significant degradation in mission capability to an extent and duration that the organization is able to perform its primary functions, but the effectiveness of the functions is significantly reduced. studylib
Answer:
Moderate.
Explanation:
A breach of security can be defined as any incident which results in an unauthorized access or privileges to a network, computer, software application, classified informations or data and services. There are three (3) levels of impact on an individual or organization when there's a breach of security; low, moderate and high.
A moderate level breach of security could cause a significant degradation in mission capability to an extent and duration that the organization is able to perform its primary functions, but the effectiveness of the functions is significantly reduced. It causes a serious adverse effect on individuals, employees or organizational assets and operations.
However, in order to prevent a breach of security, it is advisable to use the following programs: firewall, demilitarized zone (DMZ), Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) etc.
9) If you are working on the part of 5-15 minutes, time-stamping (every 30 seconds) should start at: a) [00:05:00] b) [00:00:00] c) [00:00:30] d) [00:05:00] e) [00:00:00]
Answer:
a) [00:05:00]
Explanation:
Timestamps are markers in a transcript which are used to represent when an event took place. Timestamps are in the format [HH:MM:SS] where HH is used to represent hour, MM to represent the minute and SS to represent the seconds. They are different types of timestamping such as:
i) Periodic time stamps: Occurs at a consistent frequency
ii) Paragraph time stamping: At the beginning of paragraphs
iii) Sentence time stamp: at the beginning of sentence
iv) Speaker time stamp: at change of speaker.
Since a part of 5-15 minutes with time-stamping (every 30 seconds), The time stamping should start at 5 minute [00:05:00] and end at [00:15:00]. This is a periodic time stamp since it occurs every 30 seconds, this means the next time stamp would be [00:05:30] and this continues until 15 minute [00:15:00]
Based on the information given, the time stamping will be A. [00:05:00]
It should be noted that timestamps simply mean the markers that we in a transcript that are used to represent when an event took place.
They are typically in the format [HH:MM:SS]. Therefore, if you are working on the part of 5-15 minutes, time-stamping (every 30 seconds) should start at 00:05:00.
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I’m having issues with My app Mobile legends bang bang it keeps saying now reconnecting and keeps failing how do you fix The issue
Print spooler is most common example of _______________.
Buffer
Printer speed
print quality
Answer: Print spooler is most common example of Print Quality
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Print spooler is most common example of: Buffer.
In Computer technologies, an output device can be defined as a hardware device that is designed to typically receive processed data from the central processing unit (CPU) and converts these data into an information that can be used by the end users of a computer system. Some examples of an output device are speaker, monitor, projector, printer, etc.
A printer can be defined as an electronic output device (peripheral) that is designed and developed for printing of paper documents containing texts and images.
Generally, a printer comprises the following components and software resources; paper support, print cover, connectors, output tray, edge guides, sheet feeder, control buttons, ink cartridge clamps, print head, print drivers, print spooler, etc.
A print spooler can be defined as a software application or program installed on a printer to organize, manage and control the paper printing jobs that are being sent to a printer by a computer. Thus, the execution and operation of various print jobs by a printer in printing documents is highly dependent on its print spooler.
A buffer can be defined as a temporary storage area set aside on a computer for data storage. Also, a buffer resides in the random access memory of a computer system.
This ultimately implies that, a print spooler is most common example of a buffer because it stores data, instructions and processes related to print jobs from multiple sources in a queue to sequentially execute them later on.
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What is the approximate size of a transistor?
a room
a vacuum tube
a fingernail
billions of times smaller than a fingernail
Answer:
D
Explanation:
billions of times smaller than a fingernail
Answer:
D
Explanation:Billons times smaller
Being a Java developer what do you think, "Would multi-threading play a vital role in maintaining concurrency for efficient and fast transactions of ATM or will slow down the ATM services by making it more complicated?”.
Answer:
No
Explanation:
Mutli-threading allows for various tasks to run simultaneously this can increase speeds but it would not play a vital role in maintaining concurrency for efficient and fast transactions of ATM. That being said this is not the most important aspect of ATM services, that would be Robustness and provable correctness and these two factors are much easier to achieve using a single-threaded solution.
It is a good practice to use 3d to plot a single dimensional data in storytelling.
A. True
B. False
Answer:
The answer is "Option B".
Explanation:
The 3-dimensional diagrams also known as a 3D graph, it implies to 3D design, which Occasionally receives the 2D data, which effects 3D and It is a terrible form.
The whole additional dimension comes to an end but never more than inserting a chart or its readability could be dramatically affected.It uses the 3D to create a single dimension, but the information is not a great training.What is the fastest way to move data over long distances using the internet, for instance across countries or continents to your Amazon S3 bucket?
Answer:
Assuming you are using the AWS CLI to upload data to s3, there are two optimizations to increase the speed:
1) Parallel chunked uploading, which uploads your (large) file in chunks in parallel.
2) use Amazon S3 Transfer Acceleration
This will upload your file to a nearby CloudFront instance
You can enable this in your CLI configuration file, named config in the .aws folder. Add the following lines:
s3 =
max_concurrent_requests = 20
max_queue_size = 10000
multipart_threshold = 64MB
multipart_chunksize = 16MB
max_bandwidth = 100MB/s
use_accelerate_endpoint = true
addressing_style = path
Subtract (100000)2 from (111)2 using 1s and 2s complement method of subtraction
Answer:
-11001
Explanation:
The following steps are performed in order to perform subtraction of the given binary numbers:
Step 1:
Find 2’s complement of the subtrahend. The subtrahend here is 100000
100000
First take 1's complement of 100000
1's complement is taken by inverting 100000
1's complement of 100000 = 011111
Now takes 2's complement by adding 1 to the result of 1's complement:
011111 + 1 = 100000
2's complement of 100000 = 100000
Step 2:
Add the 2's complement of the subtrahend to the minuend.
The number of bits in the minuend is less than that of subtrahend. Make the number of bits in the minuend equal to that of subtrahend by placing 0s in before minuend. So the minuend 111 becomes:
000111
Now add the 2's complement of 100000 to 000111
0 0 0 1 1 1
+ 1 0 0 0 0 0
1 0 0 1 1 1
The result of the addition is :
1 0 0 1 1 1
Step 3:
Since there is no carry over the next step is to take 2's complement of the sum and place negative sign with the result as the result is negative.
sum = 1 0 0 1 1 1
2's complement of sum:
First take 1's complement of 1 0 0 1 1 1
1's complement is taken by inverting 1 0 0 1 1 1
1's complement of 1 0 0 1 1 1 = 0 1 1 0 0 0
Now takes 2's complement by adding 1 to the result of 1's complement:
0 1 1 0 0 0 + 1 = 0 1 1 0 0 1
Now place the minus sign with the result of 2's complement:
- 0 1 1 0 0 1
Hence the subtraction of two binary numbers (100000)₂ and (111)₂ is
(-011001)₂
This can also be written as:
(-11001)₂
If your computer won't connect to the internet, which of these is most likely to be the problem?
RAM
ROM
ONIC
O USB
Answer:
nic is the answer... .. .
Military members may be subject to dis-honorable discharge for unauthorized disclosure.
A. True
B. False
Answer:
A. True
Explanation:
A dis-honorable discharge is the process of dis-charging a member of his/ her duties in an humiliating manner after committing a grave offence, especially in military.
A member of military involved in any form of disclosure of unauthorized information can be prosecuted. The accused member will be court martial, and if found guilty of the offence may be sanctioned by being subjected to a dis-honorable discharge.
Which would a student most likely do in a digital laboratory?
1.conduct an experiment in chemistry
2.take continuing education classes in chemistry
3.look for an out-of-print book about chemistry
4.watch an instructional video about chemistry
Answer:
a
Explanation:
The student most likely looks for an out-of-print book about chemistry in a digital laboratory. The correct option is 3.
What is a digital laboratory?A laboratory that has practically all of its activities digitalized includes supply chains, lab systems, employees, and equipment is known as a digital lab.
As a result, the laboratory becomes more intelligent and automated. A network of intellectually curious individuals interested in creating, confirming, and disseminating best practices in digital transformation makes up the Digital Transformation Lab (DT-LAB).
Research, development, and test laboratories are the three distinct categories into which company labs fall. Both basic and practical research is done at research labs.
Therefore, the correct option is 3. Look for an out-of-print book about chemistry.
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Which expression correctly determines that String s1 comes before String s2 in lexicographical order
Options :
A.) s1 < s2
B.) s1 <= s2
C.) s1.compareTo(s2) == −1
D.) s2.compareTo(s1) < 0
E.) s1.compareTo(s2) < 0
Answer: E.) s1.compareTo(s2) < 0
Explanation: Lexicographical ordering simply means the arrangement of strings based on the how the alphabets or letters of the strings appear. It could also be explained as the dictionary ordering principle of words based on the arrangement of the alphabets. In making lexicographical comparison between strings, the compareTo () method may be employed using the format below.
If first string = s1 ; second string = s2
To compare s1 with s2, the format is ;
s1.compareTo(s2) ;
If s1 comes first, that is, before s2, the method returns a negative value, that is a value less than 0 '< 0', which is the case in the question above.
If s2 comes first, that is, before s1, the method returns a positive value, that is a value greater than 0 '> 0'.
If both are s1 and s2 are the same, the output will be 0.
Out of the following three statements, which one is analytical?
Group of answer choices
Sleep deprivation is the term for getting too little sleep.
Scientific studies have shown that even in the short term, sleep deprivation is bad for productivity and people who get too little sleep have a more difficult time learning and retaining information, make poor decisions, and are more likely to have accidents.
If you want to do well in school then you should get enough sleep.
all of these.
what is a computer based system that allows people to communicate simoltaneously from differetn locations
Answer:
Electronic conferencing
Explanation:
Electronic conferencing is a form of a computer-based system that allows people to communicate simultaneously from different locations, with the aid of the Internet, which can be done through telephones, emails, or video chats. It is a commonly known Virtual Meeting.
Hence, the right answer, based on the definition or description given in the question is ELECTRONIC CONFERENCING
When using IPsec, how can you ensure that each computer uses its own private key pair?
Answer:
By using digital certificates.
Explanation: Digital certificate are used for the following:
1) Digital certificates are used in public key cryptography functions; they are most commonly used for initializing secure SSL connections between web browsers and web servers.
2) Digital certificates can also be used for sharing keys to be used for public key encryption and authentication of digital signatures.
Confidentiality, integrity, and availability (C-I-A) are large components of access control. Integrity is __________.
Options:
(a) ensuring that a system is accessible when needed
(b) defining risk associated with a subject accessing an object
(c) ensuring that a system is not changed by a subject that is not authorized to do so
(d) ensuring that the right information is seen only by subjects that are authorized to see it
Answer:
(c) Ensuring that a system is not changed by a subject that is not authorized to do so.
Explanation:
Access control simply means controlling who accesses a particular data by putting necessary measures in place. The vital components of access control are explained briefly as follows:
Confidentiality: This refers to ensuring that sensitive information are getting to the right people and the right people only. Confidentiality ensures that data or information are getting to those that they are intended. Examples of sensitive information that require confidentiality are
i. Credit card details
ii. Passwords
Integrity: This refers to ensuring that the quality, consistency, accuracy and trustworthiness of an information does not change throughout its time.
It makes sure that data remains the same over a long period of time and in the event that it will be changed, it is not changed by unauthorized subject.
Availability: Just as the name implies, ensures that the data or information is available any time it is needed.
would 2 bits be enough to create a special code for each english vowel
what is information processing cycle
Answer:
The sequence of events in processing information, which includes:
1) input
2) processing
3) storage and
4) output.
These processes work together and repeat over and over. Input—entering data into the computer. Processing—performing operations on the data.
Explanation:
1. Input: The computer receives data from a user or software. A keyboard, microphone, or other input device can be used as a user's input source.
2. Processing: The computer processes data after it has been received by performing logical comparisons or mathematical calculations as instructed by the user or a program.
3. Output: After processing, data is delivered as output. The speaker, printer, monitor, or other output devices display the output results.
4. Storage: The processed data can be saved by the computer to a storage device for later use.
Your team will write a function that reverses a C-string, to practice using pointers. You must use pointers and C-strings for this lab, not string objects. Your program should ask for the user's input, as "Enter the original string: " Then, it should print out the reversed string to the console.
Answer:
Here is the C++ program:
#include <iostream> //to use input output functions
#include<string.h> // to manipulate strings
using namespace std; //to identify objects like cin cout
void ReverseString(char* original_str){ // function that reverses a C-string
char* ptr1 = original_str; // pointer that points to the start of C-string
char* ptr2 = original_str; // pointer that points to the start of C-string initially
for (int i = 0; i < strlen(original_str)- 1; i++) {//iterates through the length of the C-string
ptr2++;} //moves ptr2 to the end of the C-string
while(ptr1 < ptr2) {// swaps each character of C-string using pointers
char temp = *ptr1; //declares a temp variable to hold character that *ptr1 points to
*ptr1 = *ptr2;
*ptr2 = temp;
ptr1++; //increments ptr1 moving it forward
ptr2--; }} //decrements ptr2 moving it backwards
int main(){ //start of main() function
char input_str[]=""; /// declare a C-string
cout<<"Enter original string: "; //prompts user to enter a string
cin>>input_str; // reads that C-string from user
ReverseString(input_str); //calls function to revserse the input string
cout<<"\nReversed string: "<<input_str;} // displays the reversed string
Explanation:
The program has a function ReverseString that takes a C-style string as parameter and reverses the string using pointers.
The ptr1 and ptr2 are pointers that initially point to the beginning of original string.
for (int i = 0; i < strlen(original_str)- 1; i++) this statement has a for loop that iterates through the original string and moves the ptr2 to point at the end or last character of the C-string. strlen() method is used to get the length of the C-string. At each iteration ptr2 moves one time forward until the last character of the C-string is reached.
while(ptr1 < ptr2) statement has a while loop that works as follows:
checks if ptr1 is less than ptr2. This evaluate to true because the index of first character that ptr1 points to is 0 and last character is 5 so 0<5. Hence the statements inside while loop execute which swaps the character of C-string from beginning and end index using ptr1 and ptr2. a temp variable is declated to hold character that *ptr1 points to.
For example
original_string = "xyz" Then temp = *ptr1; stores the character that *ptr1 points to i.e. 'x'
*ptr1 = *ptr2; This statement assigns the character that *ptr2 points to the *ptr1. Basically these pointers are used as indices to the C-string. So this means that the *ptr1 now stores the last character of the C-string that is pointed to by *ptr2. So *ptr1 = 'z'
*ptr2 = temp; This statement assigns the character that temp stores to the *ptr2. We know that temp contains the first character i.e 'x'. So *ptr2 = 'x'
ptr1++; The ptr1 is incremented to 1. This means it moves one position ahead and now points to the second character of the C-string.
ptr2--; The ptr2 is decremented to 1. This means it moves one position backwards and now points to the second character of the C-string.
Now the while loop breaks because ptr1 < ptr2 condition evaluates to false.
So the original string is reversed using pointers. Hence the output is:
zyx
screenshot of the program along with its output is attached.