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WARRIOR [948]
2 years ago
11

Which of the following instructions should be allowed only in kernel mode? (a) Disable all interrupts. (b) Read the time-of-day

clock. (c) Set the time-of-day clock. (d) Change the memory map.
Computers and Technology
1 answer:
slamgirl [31]2 years ago
3 0

Answer:

A, B and D

Explanation:

The kernel is the central core of the computer's operating system, that has total control of all the activities of the computer. The kernel is a very small program in memory and runs first during the boot of the system. It is the interactive link between the hardware and operating system and other system softwares.

The uses a command line to receive and execute command for various system configurations like storage and memory mapping, enable and disable interrupts, set timers or allocate time slice to run programs etc.

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Which of the following statements about crane hand signal training are true? A. Both statements are true about crane hand signal
Alenkinab [10]
The correct option is A.
When using crane at a construction site, it is required that:
1.A poster should be posted at the job site with an illustration of the hand signals that every operator and personnel working with the crane and around the crane must know.
2. Hand signals for crane and derrick operators should be those set by the American National Standard institute customize for the type of crane in use.<span />
5 0
2 years ago
Write a program that has the following String variables: firstName, middleName, and lastName. Initialize these with your first,
Licemer1 [7]

Answer:

The programming language is not stated; However, I'll answer your question using C++ programming language.

Comments are used for explanatory purpose

Program starts here

#include<iostream>

#include <string>

using namespace std;

int main()

{

//Declare Variables

string firstName, middleName, lastName;

char firstInitial, middleInitial, lastInitial;

/*Initialize firstName, middleName and lastName (Replace values with your details)*/

firstName = "First Name";

middleName = "Middle Name";

lastName = "Last Name";

 

// Get Initials

firstInitial = firstName.at(0);

middleInitial = middleName.at(0);

lastInitial = lastName.at(0);

 

//Print Results

cout<<"Lastname: "<<lastName<<endl;

cout<<"Firstname: "<<firstName<<endl;

cout<<"Middlename: "<<middleName<<endl;

cout<<"Last Initial: "<<lastInitial<<endl;

cout<<"First Initial: "<<firstInitial<<endl;

cout<<"Middle Initial: "<<middleInitial<<endl;

return 0;

}

3 0
2 years ago
You work for a car rental agency and want to determine what characteristics are shared among your most loyal customers. To do th
BigorU [14]

Answer:

c. classification

Explanation:

In the given situation, since you want to know what attributes shared among the most loyal customers for this you want to use the data mining software that refers to convert the raw data into the useful information so that it could become meaningful for the organization

In order to know about the characteristics we have to use the classification so that we get to know the characteristics i.e shared among the trusted customers

6 0
2 years ago
Write a cout statement that prints the value of a conditional expression. The conditional expression should determine whether th
MissTica

Answer:

The explanation to this question is given below in the explanation section.

Explanation:

#include <iostream>

#include <string>

using namespace std;

int main()

{

   int score;

   cout << "Enter Score: \n";

   cin>>score;

   if (score == 100)

//whether the value of the score variable is equal to 100

   {

       cout << "Perfect ";

//If so, it should print “Perfect”

   }

   else

   {

       cout << "Nice Try ";  

   }

 

}

     

     

7 0
2 years ago
There are two methods of enforcing the rule that only one device can transmit. In the centralized method, one station is in cont
Levart [38]

Answer:

In centralized method, the authorized sender is known, but the transmission line is dominated by the control station, while in decentralized method, one station can not dominate the line but collision on the transmission line may occur.

Explanation:

Centralized method of communication requires for a control station to manage the activities if other stations in the network. It assigns turns to one known station at a time, for transmission.

Decentralized method allows stations in a network to negotiate and take turns in transmitting data. When a station is done with the transmission line, another station on the queue immediately claims the line.

3 0
2 years ago
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