OS Quiz on 20.8.2024

• 1,2

• 2,3

• 3,4

• 1,4

For cooperating process, _________ process produces information that is consumed by a ___________ process.

• consumer, producer

• producer, consumer

• independent, consumer

• cooperating, consumer

When several processes access the same data concurrently and the outcome of the execution depends on the particular order in which the access takes place, is called

• dynamic condition
• race condition
  
  
• essential condition
  
  
• critical condition

If a process is executing in its critical section, then no other processes can be executing in their critical section. This condition is called

• mutual exclusion
  
  
• critical exclusion
  
  
• synchronous exclusion
  
  
• asynchronous exclusion

A web server provides HTML files which is received by the client web browser requesting the resource. Here, __________ is the producer and _________ is the consumer.

• HTML file, web server

• web server, HTML files

• web browser, web server

• web server, web browser

Buffer works as a shared memory, and counter keeps track of the number of full buffers. Counter is ________ by the ________ after it produces a new buffer, and is ________ by the ________ after it consumes a buffer.

• decremented, producer, incremented, consumer

• decremented, consumer, incremented, producer

• incremented, producer, decremented, consumer

• incremented, consumer, decremented, producer

Each process must ask permission to enter critical section in _______ code; it then executes in the _______; once it finishes executing, it enters the _______ code. The process then enters the ________ code

• entry section, critical section, exit section, remainder section

• entry section, exit section, critical section, remainder section

• critical section, entry section, exit section, remainder section

• critical section, entry section, remainder section, exit section

Which of the following is the most basic problem in process synchronization?

• Critical section problem

• Producer-consumer problem

• Dining philosophers problem

• Bounded buffer problem

In a multi-process system, which part of the code must be executed mutually exclusively?

• Critical section

• Non-critical section

• Initialization section

• Termination section

10. 10. Solution to Critical-Section Problem

• Mutual Exclusion, Progress, Bounded Waiting

• Semaphore

• Binary Semaphore

• Counting Semaphore