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Georgia [21]
3 years ago
5

Privileged instructions 1) generate an interrupt so they can execute before non-privileged instructions. 2) are valid only when

the cpu is in application state. 3) are valid only when the cpu is in system state. 4) are no longer used in modern computer systems
Computers and Technology
1 answer:
HACTEHA [7]3 years ago
7 0
I think its 3 it’s usually executed when in Kernal state.
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What are the three main purposes of an operating system? Explain how the old mainframe computers were different from the compute
lbvjy [14]

Answer:(1) To manage the computer's resources, which includes central processing unit, memory, disk drives, and printers, (2) To establish a user interface

(3)To execute and provide services for applications software.

The old mainframe computers have

(1) low memory sizes

(2) slower connectivity speed

(3) Larger sizer

(4) low sophistication.

Explanation: Operating system is a system software that manages the computer resources,helps to establish user interface and it helps to provide services for application softwares.

Operating system software includes WINDOWS X,WINDOWS 7,WINDOWS 8,LINUX,etc.

Mainframe computers are computers used by large multinational companies for processing bulk data. Old mainframe computers were produced by IBM(INTERNATIONAL BUSINESS MACHINE) in the year 1952 they are classed two scientific and commercial mainframe computers with different information although they had some incompatibilities. Old mainframe computers are large in size with low processing speed, sophistication and storage compared to present day system.

3 0
3 years ago
¿Cuales son las empresas mas exitosas que aún usan hoja de cálculo? porfa es urgentee
dem82 [27]

Answer:excel

Explanation:

6 0
2 years ago
You're a ticket agent for a commercial airline and responsible for checking the identification for each passenger before issuing
algol13

Answer:

Follows are the code to this question:

import java.util.*;//import package for user input  

public class Main //defining class  

{

  public static void main(String[] as)//main method

  {

      boolean x,y,z;//defining boolean variable

      Scanner ox= new Scanner(System.in);//create Scanner class object for user input

      System.out.println("input value: "); //print message  

      x=ox.nextBoolean();//input value

      y=ox.nextBoolean();//input value

      z=ox.nextBoolean();//input value

      System.out.println("Output: ");//print message

      System.out.println(x || (y &&z));//use print method to check value and print its value  

  }

}

Output:

1)

input value:  

true

false

false

Output:  

true

2)

input value:  

false

true

true

Output:  

true

3)

input value:  

false

false

false

Output:  

false

Explanation:

In the given code, inside the class three boolean variable "x,y, and z" is declared, that uses the scanner class for input the value from the user end, and in the next print, the method is declared, that uses " OR and AND" gate for calculating the input value and print its value.

In the AND gate, when both conditions are true. it will print the value true, and in the OR gate, when one of the conditions is true, it will print the value true.  

3 0
3 years ago
Which of the following is not a storage medium?
GarryVolchara [31]

Answer:

microphone

Explanation:

when you are using a microphone once it stop it done

8 0
3 years ago
Read 2 more answers
Online education students need to be taught
weeeeeb [17]

Online education is a teaching practice delivered through the internet. The students learning from online platforms must be taught to be ethical.

<h3>What is the importance of ethics and integrity?</h3>

In the online education system, the students should learn to be ethical and integral as it enables the students and their teachers to be creative, free to create ideas, and acknowledge others' work.

Ethics teaches the students to develop their personalities and behavior. Students' integrity allows them to be honest, responsible, and fair towards their work and instructor.

Therefore, option A. online learning students must be taught to be ethical.

Learn more about online learning here:

brainly.com/question/14708323

#SPJ1

7 0
2 years ago
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