1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andre45 [30]
2 years ago
7

Define operating system?explain the types of operating system on the basis of use.​

Computers and Technology
1 answer:
GalinKa [24]2 years ago
4 0

Answer:

An operating system is a software that helps the any computers basic needs or functions.  For example, the windows on a computer is a operating system.

Explanation:

You might be interested in
In many DBMSs where no strict separation of levels is maintained, this one language is used by the DBA and database designers to
marissa [1.9K]

Answer: False

Explanation:

This means that the mappings between the two schemas may be specified in either one of these languages.In most relational DBMSs today, there is no specific language that performs the role of SDL. Instead, the internal schema is specified by a combination of functions, parameters, and specifications related to storage. These permit the DBA staff to control indexing choices and mapping of data to storage

5 0
3 years ago
Withdrawal from a conflict is best used when ______.
Liono4ka [1.6K]

Answer:

Neither side can reach an agreement

Explanation:

i just took the test

6 0
3 years ago
Read 2 more answers
Unlike when writing in a programming language, there are no set rules that must be followed when writing pseudocode. What do you
Elan Coil [88]

Answer:

Explanation:

Pseudocode may not have a set number of rules of guidelines but there are still some habits that should be followed. This includes having only one statement per line and add the END keyword to loops. Both of these rules/habits will drastically increase the readability of the pseudocode and allow you to know exactly where a certain loop starts and ends. Since loops can become difficult to read if they have a lot of code within them. Another good guideline to keep in mind is to simplify the code as much as possible do not add unnecessary pseudocode if it is not absolutely needed.

7 0
3 years ago
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
4 years ago
Identifying Characters
alina1380 [7]
The answer is d I just took the test
5 0
3 years ago
Read 2 more answers
Other questions:
  • What command would you use to make a secure shell connection to the ubuntu client machine? ()?
    9·1 answer
  • Which of the following is a preferable method to secure wireless access in a SOHO?
    6·1 answer
  • A blank is a link on a web page that leads to another web page.
    14·1 answer
  • When a fighter pilot crosses into the airspace of another country without permission it can be considered an act of aggression o
    8·1 answer
  • Explicit knowledge can be documented and codified, whereas tacit knowledge encompasses insights, judgment, creative processes, a
    9·1 answer
  • In what year did the manager and team depicted in the blockbuster film "Moneyball
    9·1 answer
  • A ________ is a single media file including art, sound, animation, or movies.
    9·1 answer
  • Which are emotional effects of anxiety? Check all that apply.
    10·2 answers
  • Drag each label to the correct location on the image.
    7·1 answer
  • Study the original and changed passages.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!