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Wewaii [24]
4 years ago
7

____ are programs that run independently and travel between computers and across networks.

Computers and Technology
1 answer:
fiasKO [112]4 years ago
3 0
<span>Worms are programs that run independently and travel between computers and across networks.
</span>Those are malicious programs which are exploiting operating system vulnerabilities and by doing so they spread itself. They <span>self-replicate on computers or via computer networks without the user being aware.</span>
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What are the differences between tkinter toolkit and PyQt?
lesantik [10]

Answer:

See the explanation  

Explanation:

tkinter toolkit                                            

  • Easy to use
  • Easy to learn
  • Easy to debug
  • Good for simple tasks
  • TkInter applications are simpler as compared to PyQt because it is included in standard Python distribution.
  • Faster than PyQt.
  • Does not have advanced widgets.
  • No interface builder available.
  • Free for commercial utilization.

PyQt

  • More flexible in terms of coding.
  • Harder to debug as compared to tkinter
  • GUI is clearer in display than tkinter
  • Widgets are more interactive than that of tkinter
  • size of a PyQt program is larger than that of tkinter
  • uses a variety of paltform APIs and gives primary access to these APIs through a unique API.
  • Has an interface builder that allows to design interfaces without writing any code.
  • Has modern widgets.
  • Due to its vast interface and several UI components it is a bit confusing to learn as compared to tkinter.
  • Commercial license is required to release the code.
  • Cross-platform and native GUI.

Widgets are GUI components such as buttons, labels, menus.

a) Label

This is a tkinter widget to show the text or image on the screen. It looks like a display box. The user can easily edit or update label.

For example to display a label with text "Hello World" the following chunk of code is used:

import tkinter

widget = tkinter.Tk()

label =tkinter.Label(widget, text="Hello World")

label.pack()

tkinter.mainloop()

b) Entry

This is a tkinter widget to accept the text input from user. For example if you want to get a single line text from user then you can use Entry widget. The code below displays an entry widget with the message: Enter input text: Here the user can input the text.

import tkinter

widget = tkinter.Tk()

entry = tkinter.Entry(widget)

entry.insert(0, "Enter input text:")

entry.pack()

tkinter.mainloop()

c) Button

This is a tkinter widget to add a button in an application. You can enter some text or an image in this button convey its purpose. When you click on the button a function is called or an event is emitted.

The following chunk of code displays a button with the text "Click Me" on the button.

import tkinter

widget = tkinter.Tk()

button = tkinter.Button(widget, text="Click Me")

button.pack()

tkinter.mainloop()

d) Frame

This is a tkinter widget to group together and organize other widgets and arranges their position.

The following chunk of code displays an outer frame with a label with text "parent label" and an inner frame with a label of text "child frame".

import tkinter

widget = tkinter.Tk()

frame = tkinter.LabelFrame(widget,text="parent frame")  

label= tkinter.Label(frame,text="child frame")

frame.pack(padx=10, pady=10)

label.pack()

tkinter.mainloop()

5 0
3 years ago
Write an expression that executes the loop body as long as the user enters a non-negative number.
Grace [21]

Answer:

user_num = 9

while user_num > -1:

 print("Body")

 user_num = int(input())

print("Done")

If this answer helped consider rating and marking brainliest :)

7 0
2 years ago
Read 2 more answers
What is the only language a microprocessor can process directly but most programmers almost never write programs in this code?
Phantasy [73]
Assembly language, a.k.a. machine language.
6 0
3 years ago
The most basic function of firewalls is to
adelina 88 [10]
<span>A firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on security rules that are configured by the network administrator.</span>
5 0
3 years ago
Create a recursive procedure named (accumulator oddsum next). The procedure will return the sum of the odd numbers entered from
maks197457 [2]

Answer:

Explanation:

The following procedure is written in Python. It takes the next argument, checks if it is an odd number and if so it adds it to oddsum. Then it asks the user for a new number from the keyboard and calls the accumulator procedure/function again using that number. If any even number is passed the function terminates and returns the value of oddsum.

def accumulator(next, oddsum = 0):

   if (next % 2) != 0:

       oddsum += next

       newNext = int(input("Enter new number: "))

       return accumulator(newNext, oddsum)

   else:

       return oddsum

8 0
3 years ago
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