Answer and Explanation:
To display 10 consecutive lower case letters in Unix, we make use of the commands below. The first command finds the letters in the file and the second command counts them line by line.
$ grep '[a-z]\{10,\}' /unixPasswd/passwd
# this command displays lines with at least 10 consecutive lowercase letters or more than 10 consecutive lowercase letters
$ grep '[a-z]\{10,\}' /unixPasswd/passwd | wc -l
# this command counts the number of lines that has at least 10 consecutive lower case letters or more than 10 consecutive lowercase letters
Note: the unixPasswd is a file in passwd file. The # is used when we want to add comments, is optional here. The $ is a prompt on the terminal that begins a new command.
Write code that creates a text area displaying 10 rows and 15 columns. The text area should be capable of displaying scroll bars, when necessary. It should also perform word style line wrapping.
Answer:
<textarea wrap="hard" cols="30" rows="5"></textarea>
Explanation:
A textarea element or tag is a form tag element of a HTML file. It is used to ask for input value from a user in a webpage. The textarea tag has an opening and a closing tag.
The 'cols' attribute is used to set the column length while the 'rows' attribute sets the row length of the textarea element. The 'wrap' attribute has three options namely; soft, hard, and off. 'soft' adds the textarea wrapping, 'hard' sets off the box wrapping but only wraps each line, while the 'off' option removes all wrapping in the tag.
Consider the use of 1000-bit frames on a 1-Mbps satellite channel with a 270-ms delay. What is the maximum link utilization for,
a. Stop-and-wait flow control?
b. Continuous flow control with a window size of 7?
c. Continuous flow control with a window size of 127?
You used range in definite loops earlier in the course. The output of the range function is a sequence, which is a list of integers.
range(3) creates which sequence of numbers?
[1, 2, 3]
[0, 1, 2, 3]
[1, 2, 3, 4]
[0, 1, 2]
kAka pEe POoPOOoO
The output of the range function is a sequence, which is a list of integers. The range created in the sequence of number is [0, 1, 2]. Hence option D is correct.
What are integers?Integers are defined as a whole number that can be positive, negative, or zero and is not a fraction. Your integer can be written in a number of different ways. Write your integer, for instance, in standard form (such as 63), extended form (such as 100+50+2, which would be 152 in standard form), or written form (such as one thousand two hundred thirteen).
Pass range start and stop values () such as range (0, 6). Here, start is equal to 0 and stop is equal to 6. Send range the step value () the move Put the increment in. For accessing each integer, use a for loop. To iterate and access a series of numbers returned by a range(), use a for loop.
Thus, the output of the range function is a sequence, which is a list of integers. The range created in the sequence of number is [0, 1, 2]. Hence option D is correct.
To learn more about integers, refer to the link below:
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Java Eclipse homework. I need help coding this
Challenge 14A - BaseConverter
Package: chall14A
Class: BaseConverter
Task: Create a program that takes user input as a decimal and converts it to either an octal, binary, or hexadecimal base:
1. Show a title on the screen for the program.
2. Ask the user if they want to run the program.
3. Create a menu for the user to choose the base to convert to.
4. Take decimal (base10) from user and print out the number in the new base.
import java.util.Scanner;
public class BaseConvertor {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("Welcome to Base Convertor! This program will convert numbers into different bases of your choosing.");
System.out.print("Do you still want to run the program? ");
String ans = scan.next();
if (ans.toLowerCase().equals("yes")){
System.out.println("1. Octal");
System.out.println("2. Binary");
System.out.println("3. Hexadecimal");
System.out.print("Type the number of the base you want to conver to: ");
int base = scan.nextInt();
System.out.print("Enter your number: ");
int num = scan.nextInt();
if (base == 1){
String newNum = Integer.toOctalString(num);
System.out.println(num+" in Octal is "+newNum);
}
else if (base == 2){
String newNum = Integer.toBinaryString(num);
System.out.println(num+" in Binary is "+newNum);
}
else if (base == 3){
String newNum = Integer.toHexString(num);
System.out.println(num+" in Hexadecimal is "+newNum);
}
}
else{
System.out.println("Have a good day!");
}
}
}
I hope this helps!
why is monitor called softcopy output device?
Answer:
A display device is the most common form of output device it presents output visually on a computer screen.the output appears temporarily on the screen and can easily altered or erased,it is sometimes referred to as softcopy
The HTTP protocol operates at which layer?
Answer:
application layer i believe
Answer:
The HyperText Transfer Protocol (HTTP), is the Web's application-layer protocol, is at the heart of the Web
Explanation:
(Decimal to binary) Write a recursive method that converts a decimal number into a binary number as a string. The method header is public static String dec2Bin(int value) Write a test program that prompts the user to enter a decimal number and displays its binary equivalent.
Answer and Explanation:
import java.util.Scanner;
public class convertToBinary {
public static String declToBin(int value){
if(value == 1){
return declToBin((value/2) + "" + (value%2);
}
else{
declToBin((value/2) + "" + (value%2);
}
}
public static void main(String args[]){
int number;
Scanner change = new Scanner(System.in);
System.out.print("Enter decimal value: ");
number = change.nextInt();
System.out.println(declToBin(number));
}
}
The recursive function declToBin(int value) keeps executing code until value==1. Recursive functions reduces lines of code and makes it more efficient.
Note: Decimal is number in base 10(denary). To convert a decimal number to base 2(binary), we keep dividing the decimal number entered by the user by 2 until the result is zero(when the number divided is one)
We use the Java programming language here. First we import the Scanner object(import.java.util.Scanner). We use the method nextint() from the object to convert the string value entered by the user to int value( because our declToBin function takes an int parameter).
Is this statement true or false? You can apply only one of these at a time: underline, bold, or italics. true false
the correct answer is false
Answer:
its false
Explanation:
A computer is using a fully associative cache and has 216 bytes of memory and a cache of 64 blocks, where each block contains 32 bytes.
Required:
a. How many blocks of main memory are there?
b. What is the format of a memory address as seen by the cache, that is, what are the sizes of the tag and offset fields?
c. To which cache block will the memory address F8C9 (subscript) 16 map?
1) The number of blocks of main memory that are there are;
2^16/32 = 2^16/2^5 = 2^11
2) The format of a memory address as seen by the cache,that is the sizes of the tag and offset fields are;
16 bit addresses with 11 bits also in the tag field and the 5 bits in the word field.
3) The cache block that the memory address F8C9 (subscript) 16 map;
Since it is an associative cache, it can actually map anywhere.
That is, it has the ability of mapping anywhere.
Write a sed command that will display all lines of the birthday file that do not contain the string March. What was the sed command?
Answer:
sed '/march/{d;}' birthdays.txt > result .txt
Explanation:
sed syntax is basically:
sed '/expression/{command;command;...;}' inputfile > outputfile
First, for the expression part, we use /march/ to match all lines containing that string. Then for the command part, we only use {d} command to delete every matching line found.The third part contains the input file to process, I have named it birthdays.txt, but it could have been any other file needed.Finally "> result .txt" makes the script output to be saved into a file named result.txtHow do I fix my mistake in the code, do not give me a bs answer like “I don’t know sorry” if you do not know just move on because I will report it like I have before.
The problem lies within your if statement. You're using a single equals sign when you should be using two.
if (operation == 1)
Two equal signs is a comparison operator. It checks to see if one value equals another value. In your case, its checking if operation equals 1. But, this only solves half the problem. Operation is a string and you need to compare it to a string.
if (operation == "1")
I hope this helps!
Write an application named Hurricane that outputs a hurricane’s category based on the user’s input of the wind speed. Category 5 hurricanes have sustained winds of at least 157 miles per hour. The minimum sustained wind speeds for categories 4 through 1 are 130, 111, 96, and 74 miles per hour, respectively. Any storm with winds of less than 74 miles per hour is not a hurricane. If a storm falls into one of the hurricane categories, output This is a category # hurricane, with # replaced by the category number. If a storm is not a hurricane, output This is not a hurricane.
Answer:
def Hurricane(wind_speed):
if wind_speed >= 157:
print("Category 5 hurricane")
elif wind_speed >= 130:
print("Category 4 hurricane")
elif wind_speed >= 111:
print("Category 3 hurricane")
elif wind_speed >= 96:
print("Category 2 hurricane")
elif wind_speed >= 74:
print("Category 1 hurricane")
else:
print("Not a hurricane")
Hurricane(121)
Explanation:
The function "Hurricane" in the python code accepts only one argument which is the recorded speed of a hurricane. The nested if-statement evaluates the speed of the hurricane and output the appropriate category of the hurricane based on the speed.
Write a recursive function called sum_values that takes in a list of integers and an index of one element in the list and returns the sum of all values/elements in the list starting with the element with the provided index and ending with the last element in the list.
Answer:
Explanation:
The following code is written in the Java programming language and actually takes in three parameters, the first is the list with all of the int values. The second parameter is the starting point where the adding needs to start. Lastly is the int finalSum which is the variable where the values are all going to be added in order to calculate a final int value. Once the recursive function finishes going through the list it exits the function and prints out the finalSum value.
public static void sum_Values(ArrayList<Integer> myList, int startingPoint, int finalSum) {
if (myList.size() == startingPoint) {
System.out.println(finalSum);
return;
} else {
finalSum += myList.get(startingPoint);
sum_Values(myList, startingPoint+1, finalSum);
}
}
what is suitable equipment to meet customer needs from
1 stand alone pcs
2 networked pcs
3 servers
4 network equipment
5 operating system
6 application software
write an essay about yourself based on the dimensions of ones personality
Write a code for function main, that does the following: creates a variable and assign it the value True. uses a while loop which runs as long as the variable of the previous step is True, inside the while loop, get three integer numbers n1, n2 and n3 from the user and
Answer:
def main():
is_true = True
while is_true == False:
try:
num1 = int(input("Enter first number: ")
num2 = int(input("Enter second number: ")
num3 = int(input("Enter third number: ")
except ValueError:
print("Input must be an integer number")
is_true = bool(input("do you want to end loop? True/False: "))
main()
Explanation:
The python main function above continuously creates three integer numbers in a while loop statement until a false input is received from the user.
Which of the following is an input device on a toaster?
O the heating element
the tray
O the start button
the electrical outlet
A(n) __________ prevents outsiders from accessing corporate information the user does not want others to see.
Answer:
Firewall
Explanation:
A Firewall prevents outsiders from accessing corporate information the user does not want others to see. It could be in the form of a hardware or a software.
Most companies use this in order to keep confidential informations from the public. This is very important to prevent unauthorized access which could lead to different types of problems in the long run.
Builder Software is used to create _____? answers: 3d digital art design for cameras audio special effects
Answer:
HTML website without inputting manual codes
Explanation:
A Builder Software in computer engineering or science is a general name of the software that is designed to give users the ability to build HTML websites without inputting the manual codes themselves. The software comes with tools that help to create the user interface without adding code.
Example of Builder Software is Squarespace, Wix, Dudamonile, Weebly, OnDevice, RedTim, etc.
Answer:
I think it's used to create 3-D digital art
Explanation:
Complete the sentence.
Python is a_____
level language compared to bytecode.
Python is an interpreted, object-oriented, high-level programming language with dynamic semantics.
Python is a high level language compared to bytecode.
Why Python is a high level programming language?Hence, being an interpreted language, which is not subject to processor, makes Python a high-level language. Also, Python offers convenience of code readability -- which makes the syntax of the program much easier and shorter, resulting in less coding steps for developers than imposed by Java or C++.
Which type of language is Python?Python is an interpreted, interactive, object-oriented programming language. It incorporates modules, exceptions, dynamic typing, very high level dynamic data types, and classes.
To learn more about python, refer
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Could someone please tell me how to code the table in the picture in HTML 5
Answer:
gdoogle "html 5 table", its easier to do that on google than on this forum
Explanation:
What is the function of the operating system of a computer?
It allows the CPU to communicate with input and output devices.
It executes commands from other computer hardware.
It lets the user communicate with the mouse.
It processes information from the hard drive to allow programs to run.
Answer:
It allows the CPU to communicate with input and output devices.
Explanation:
Plzzzzzzzzzzzzz give me brainiest
Which of the following is NOT a reason to include comments in programs
A. Comments help the computer decide whether certain components of a program are important.
B. Comments help programmers debug issues in their own code
C. Comments help document how code was written for other programmers to use
D. Comments enable programmers to track their work throughout the development process
Previous page Submit
Answer:
C. Comments help document how code was written for other programmers to use.
Explanation:
I think it i C.
Answer:
A. Comments help the computer decide whether certain components of a program are important.
- just took the test and got it right. hope this helps!!
It is easier to make an object move across the screen by using the tweening function rather than creating each individual frame of the movement.
True
False
The two types of attack on an encryption algorithm are cryptanalysis, based on properties of the encryption algorithm, and _________ which involves trying all possible keys.
Answer:
Brute force
Explanation:
The two types of attack on an encryption algorithm are cryptanalysis, based on properties of the encryption algorithm, and brute force which involves trying all possible keys.
In brute force attacks there is the issue of using different keys and this is because the attacker is trying to guess the passwords used in the system in order to have it compromised.
Answer:
D.
triple Data Encryption Standard (DES)
Explanation:
Sincerely : Baby weeb
Write the function appendEvens() which, given two arrays, adds all of the even elements from the first to the second. You may assume the second has enough space.
Answer:
function appendEvens( arr1, arr2) {
for (let i in arr1){
if (i%2 == 0){
arr2.push(i);
}
}
}
Explanation:
The defined javascript function "appendEvens" is a function that returns undefined. It accepts two arrays and pushes the even numbers from the first array to the second.
Which of the following is an algorithm?
an opinion about a new movie
O a description of a day at the park
O directions for making cookies
an explanation for why someone was late
How to get free PS5?
Answer: You can't.
Explanation:
You simply cannot get a free PS5.
Answer:
camping for ps5 will do but you have to be all night
or use bots to pre oder
Explanation:
Switched backbone networks:_____.a. always use a ring topology.b. require much more management that do routed backbone networks.c. use a star topology with one device, usually a switch.d. are the least common type of BN used in one building.e. switch the traffic based on layer 3 addresses.
Answer:
c
Explanation:
spongo
An IT suspects that an unauthorized device is connected to a wireless network. This is a result of pastry sharing on a device brought from home. What is put in place to stop such activity.
1- Media Access Control Filtering
2- Channel Overlap
3-WiFi Protected Access 2
4- collision Domain
Answer:
3. WiFi Protected Access 2
Explanation:
Given that Wi-Fi Protected Access 2 often referred to as WAP 2 is a form of computer security or privacy measure to ensure that Wireless networks are furnished with powerful security of data network access control.
Hence, when a user employed or utilize WPA2. It gives such a user a high degree of maximum certainty of controlling the users that can have access to his wireless network.
Hence, in this case, what is put in place to stop such activity is Wi-Fi Protected Access 2