The correct answer is b folder
The invention of the micro hard drive is not a driver of wireless growth.
What is Hard Drive (HDD)?
A computer hard drive (also known as a hard disk or HDD) is a type of technology that stores your computer's operating system, applications, and data files such as documents, pictures, and music. The rest of your computer's components work together to display the applications and files stored on ones hard drive.
How does a Hard Drive (HDD) work?
A hard disk drive (HDD) is made up of a platter with data storage compartments. This information includes your operating system, applications, and any files that you have created. There's also an accuator arm that keeps moving across the platter to read or write the data. The platter spins as the accuator arm movements across it to speed up the process.
To learn more about Hard Drive (HDD), visit: brainly.com/question/27269845
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Answer:
The <u>ARPANET </u>network became functional in 1969, linking scientific and academic researchers across the United States.
Explanation:
ARPA Net is the network that has become functional in 1969 in united States. The basic purpose of this network is to link all the researchers and scientists across united states. The full form of ARPANet is Advanced Research Project Agency Network.
The importance of this network is increase because small chunks of data that are called packets has been proposed for data transmission in the network. The data is divided into small packets and send it over the network, at destination point these packets are combined together and become orignal information.
Answer:
Explanation:
Following are the Semaphores:
Customers: Counts waiting customers;
Barbers: Number of idle barbers (0 or 1)
mutex: Used for mutual exclusion.
Cutting: Ensures that the barber won’t cut another customer’s hair before the previous customer leaves
Shared data variable:
count_cust: Counts waiting customers. ------------copy of customers. As value of semaphores can’t access directly.
// shared data
semaphore customers = 0; semaphore barbers = 0; semaphore cutting = 0; semaphore mutex = 1;
int count_cust= 0;
void barber() {
while(true) { //shop is always open
wait(customers); //sleep when there are no waiting customers
wait(mutex); //mutex for accessing customers1
count_cust= count_cust-1; //customer left
signal(barbers);
signal(mutex);
cut_hair();
}
}
void customer() {
wait(mutex); //mutex for accessing count_cust
if (count_cust< n) {
count_cust= count_cust+1; //new customer
signal(customers); signal(mutex);
wait(barbers); //wait for available barbers get_haircut();
}
else { //do nothing (leave) when all chairs are used. signal(mutex);
}
}
cut_hair(){ waiting(cutting);
}
get_haircut(){
get hair cut for some time; signal(cutting);
}
122.255.255.255
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