A semaphore is a shared integer variable __________(a) that can not drop below zero(b) that can not be more than zero(c) that can not drop below one(d) that can not be more than oneThe question was posed to me during a job interview.This question is from Process Synchronization in section Processes of Operating System

A semaphore is a shared integer variable __________(a) that can not dr

1.	A semaphore is a shared integer variable __________(a) that can not drop below zero(b) that can not be more than zero(c) that can not drop below one(d) that can not be more than oneThe question was posed to me during a job interview.This question is from Process Synchronization in section Processes of Operating System
Answer» Right CHOICE is (a) that can not drop below ZERO Explanation: A semaphore is a shared integer variable that can not drop below zero. In binary semaphore, if the value of the semaphore variable is zero that means there is a process that uses a CRITICAL RESOURCE and no other process can access the same critical resource until it is released. In COUNTING semaphore, if the value of the semaphore variable is zero that means there is no resource available.

Discussion

No Comment Found

Related InterviewSolutions

Bounded capacity and Unbounded capacity queues are referred to as __________(a) Programmed buffering(b) Automatic buffering(c) User defined buffering(d) No bufferingThis question was posed to me in a national level competition.This is a very interesting question from Inter Process Communication in section Processes of Operating System
The Zero Capacity queue __________(a) is referred to as a message system with buffering(b) is referred to as a message system with no buffering(c) is referred to as a link(d) none of the mentionedI got this question during an online interview.I'm obligated to ask this question of Inter Process Communication topic in portion Processes of Operating System
In the Zero capacity queue __________(a) the queue can store at least one message(b) the sender blocks until the receiver receives the message(c) the sender keeps sending and the messages don’t wait in the queue(d) none of the mentionedI have been asked this question at a job interview.My question is based upon Inter Process Communication in division Processes of Operating System
In the non blocking send __________(a) the sending process keeps sending until the message is received(b) the sending process sends the message and resumes operation(c) the sending process keeps sending until it receives a message(d) none of the mentionedThe question was posed to me during an interview.Question is taken from Inter Process Communication in chapter Processes of Operating System
In indirect communication between processes P and Q __________(a) there is another process R to handle and pass on the messages between P and Q(b) there is another machine between the two processes to help communication(c) there is a mailbox to help communication between P and Q(d) none of the mentionedThe question was posed to me in a national level competition.I would like to ask this question from Inter Process Communication topic in division Processes of Operating System
Which of the following are TRUE for direct communication?(a) A communication link can be associated with N number of process(N = max. number of processes supported by system)(b) A communication link is associated with exactly two processes(c) Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)(d) Exactly two link exists between each pair of processesThis question was posed to me in class test.This key question is from Inter Process Communication topic in chapter Processes of Operating System
The link between two processes P and Q to send and receive messages is called __________(a) communication link(b) message-passing link(c) synchronization link(d) all of the mentionedI got this question in an interview for internship.This is a very interesting question from Inter Process Communication in chapter Processes of Operating System
Messages sent by a process __________(a) have to be of a fixed size(b) have to be a variable size(c) can be fixed or variable sized(d) none of the mentionedThe question was asked in an international level competition.I want to ask this question from Inter Process Communication in section Processes of Operating System
Which of the following two operations are provided by the IPC facility?(a) write & delete message(b) delete & receive message(c) send & delete message(d) receive & send messageI have been asked this question in an online interview.The question is from Inter Process Communication in chapter Processes of Operating System
Message passing system allows processes to __________(a) communicate with each other without sharing the same address space(b) communicate with one another by resorting to shared data(c) share data(d) name the recipient or sender of the messageThis question was addressed to me in a job interview.This question is from Inter Process Communication in section Processes of Operating System

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment