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2 years ago

Type the correct answer in each box. Spell all words correctly.

Computers and Technology

2 answers:

nikdorinn [45]2 years ago

6 0

Answer: saturate or desaturate

mezya [45]2 years ago

5 0

Answer:

above^

Explanation:

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In the original UNIX operating system, a process executing in kernel mode may not be preempted. Explain why this makes (unmodifi

Elena L [17]

Answer:

the preemption is -> The ability of the operating

system to preempt or stop a currently

scheduled task in favour of a higher priority

task. The scheduling may be one of, but not

limited to, process or 1/0 scheduling etc.

Under Linux, user-space programs have always

been preemptible: the kernel interrupts user

space programs to switch to other threads,

using the regular clock tick. So, the kernel

doesn't wait for user-space programs to

explicitly release the processor (which is the

case in cooperative multitasking). This means

that an infinite loop in an user-space program

cannot block the system.

However, until 2.6 kernels, the kernel itself was

not preemtible: as soon as one thread has

entered the kernel, it could not be preempted to

execute an other thread. However, this absence

of preemption in the kernel caused several

oroblems with regard to latency and scalability.

So, kernel preemption has been introduced in

2.6 kernels, and one can enable or disable it

using the cONFIG_PREEMPT option. If

CONFIG PREEMPT is enabled, then kernel code

can be preempted everywhere, except when the

code has disabled local interrupts. An infinite

loop in the code can no longer block the entire

system. If CONFIG PREEMPT is disabled, then

the 2.4 behaviour is restored.

So it suitable for real time application. Only

difference is we don't see many coders using it

5 0

3 years ago

If the object instance is created in a user program, then the object instance can access both the public and private members of

rewona [7]

Answer:

False

Explanation:

The private member of a class is not accessible by using the Dot notation ,however the private member are those which are not accessible inside the class they are accessible outside the class .The public member are accessible inside the class so they are accessible by using the dot operator .

<u>Following are the example is given below in C++ Language </u>

#include<iostream> // header file

using namespace std;

class Rectangle

{

private:

double r; // private member

public:

double area()

{ return 3.14*r*r;

}

};

int main()

{

Rectangle r1;// creating the object

r1.r = 3.5;

double t= r1.area(); // calling

cout<<" Area is:"<<t;

return 0;

}

Output:

compile time error is generated

<u>The correct program to access the private member of class is given below </u>

#include<iostream> // header file

using namespace std;

class Rectangle

{

private:

double r; // private member

public:

double area()

{

r1=r;

double t2=3.14*r2*r2;

return(t2); // return the value

}

};

int main()

{

Rectangle r1;// creating the object

r1.r = 1.5;

double t= r1.area(); // calling

cout<<" Area is:"<<t;

return 0;

}

Therefore the given statement is False

5 0

3 years ago

Write a python computer program that prints out a factorial.

galina1969 [7]

I included my code in the picture below.

6 0

2 years ago

write a python function that takes string j and returns a dictionary showing number of letters and digits in j. The returned dic

k0ka [10]

Explanation:

def letterDigitCount(j):

dic={"digits":0,"letters":0}

for a in j:

if a.isdigit():

dic["digits"]+=1

elif a.isalpha():

dic["letters"]+=1

return dic

3 0

3 years ago

Question very important cause after my school is over at 5 'oclock I will be playing rocket league if anyone wants to play just

jarptica [38.1K]

Answer:

So can u tell me wut is ur question...It is not understandable

6 0

2 years ago