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2 years ago

The appropriate semaphore in C to give one more turn to writer so it can clean up IPC objects is WRITE_SEM. Is it true or false

Computers and Technology

1 answer:

Cloud [144]2 years ago

3 0

Answer:

True

Explanation:

Semaphores are variables of abstract data types in programming used to control or restrict access to resources by multiple concurrent processes to avoid system failure like race conditions, by evaluating the available resources. There are various types of semaphores like the binary and counting semaphores which is used to lock and count resources respectively.

In C, the semaphore used to clean up the IPU objects is the WRITE_SEM.

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Write the contrapositive of each of the following statements. Healthy plant growth follows from sufficient water. Increased avai

rusak2 [61]

Answer:

Healthy plant growth follows from sufficient water.

Contrapositive: If water is insufficient, then there isn't healthy plant growth

Increased availability of information is a necessary condition for further technological advances

Contrapositive: Absence of further technological advances implies decreased availability of information.

Errors were introduced only if there was a modification of the program.

Contrapositive: If there wasn't any modification of the program then error was not introduced into the program

Fuel savings implies good insulation or storm windows throughout.

Contrapositive: The absence of good insulation or storm windows throughout implies that there is no fuel savings.

Explanation:

A contrapositive statement is formed from a conditional statement as we can see from the answers above.

In a contrapositive statement, we just interchange the hypothesis and the conclusion of the inverse statement.

This implies that, when the converse of the statement is true, then the inverse of the statement is also logically true.

5 0

2 years ago

When records are in ____ order, they are arranged one after another on the basis of the value in a particular field.?

Nat2105 [25]

When records are in ASCENDING order ...

4 0

2 years ago

Plz help meeeeee QUICKLY!!! WORTH 15 POINTS!

Lady bird [3.3K]

Answer:

Im pretty sure Domain name system but dont trust me

Explanation:

8 0

3 years ago

Difference between switch case and if else statement.

ser-zykov [4K]

Answer:

<h3>SWITCH CASE:</h3>

☆ STATEMENT WILL BE EXECUTED IS DECIDED BY USER.

☆ SWITCH STATEMENT EVALUATES ONLY CHARACTER 《OR 》INTEGER VALUE.

☆ IT USING SINGLE EXPRESSION FOR MULTIPLE CHOICES.

<h3>IF - ELSE STATEMENT. </h3>

☆ STATEMENT WILL BE EXECUTED DEPEND UPON THE OUTPUT OF THE EXPRESSION INSIDE.

☆ IF THE STATEMENT EVALUATES INTEGER, CHARACTER, POINTER《 OR 》FLOATING- POINT TYPE 《 OR 》BOOLEAN TYPE.

☆ IF USING MULTIPLE STATEMENT FOR MULTIPLE CHOICES.

HOPE IT HELP....

7 0

2 years ago

In the Happy Valley School System, children are classified by age as follows:less than 2, ineligible2, toddler3-5, early childho

Greeley [361]

Answer:

int age = 10;

switch (age){

case 0:

case 1:

System.out.println("ineligible");

break;

case 2:

System.out.println("toddler");

break;

case 3:

case 4:

case 5:

System.out.println("early childhood");

break;

case 6:

case 7:

System.out.println("young reader");

break;

case 8:

case 9:

case 10:

System.out.println("elementary");

break;

case 11:

case 12:

System.out.println("middle");

break;

case 13:

System.out.println("impossible");

break;

case 14:

case 15:

case 16:

System.out.println("high school");

break;

case 17:

case 18:

System.out.println("scholar");

break;

default:

System.out.println("ineligible");

}

Explanation:

In java and many other programming languages, a switch statement is a way of having multiple branching options in a program. This is usually considered a more efficient way than using multiple if....else if statements. and the expression variables could be byte, char int primitive data types. etc. every branch (option) in a switch statement is followed by the break statement to prevent the code from "falling through". In the question The variable age is declared as an int and initialized to 10. and tested against the conditions given in the question.

7 0

2 years ago