Operating system -quiz

Which process can be affected by other processes executing in the system?

• child process

• parent process

• cooperating process

• Independent process

The interval from the time of submission of a process to the time of completion is termed as

• waiting time

• turnaround time

• response time

• throughput

Which module gives control of the CPU to the process selected by the short-term scheduler?

• dispatcher

• interrupt

• scheduler

• none of the mentioned

Consider the following statements about process state transitions for a system using preemptive scheduling>     Consider the following statements about process state transitions for a system using preemptive scheduling.

I. A running process can move to ready state.
II. A ready process can move to ready state.
III. A blocked process can move to running state.
IV. A blocked process can move to ready state.

Which of the above statements are TRUE?

 

A. I, II and III only

B. II and III only

C. I, II and IV only

D. I, II, III and IV only

• I, .II and III only

• II and III only

• I, II and IV only

• D. I, II, III and IV only

 Consider a system with byte-addressable memory, 32 bit logical addresses, 4 kilobyte page size and page table entries of 4 bytes each. The size of the page table in the system in megabytes is _____.

• 2

• 4

• 8

• 16

A machine with 64 MB physical space, number of bits to represent frame number are ________.

• 10

• 12

• 14

• 16

In contiguous memory allocation ____________

• each process is contained in a single contiguous section of memory

• all processes are contained in a single contiguous section of memory

• the memory space is contiguous

• none of the mentioned

What is a file system?

• A hardware component that manages data storage

• A software component that manages the organization and storage of data on a storage device

• An algorithm for compressing files

• A protocol for transferring files over the internet

Which of the following is a characteristic of a hierarchical file system?

• It allows direct access to any file without any structure

• It organizes files and directories in a tree-like structure

• It uses a single-level directory structure

• It is primarily used in distributed computing environments

What is the primary purpose of virtual memory in a computer system?

• To increase the clock speed of the CPU

• To expand the physical RAM (Random Access Memory) capacity

• To provide a secure storage area for sensitive data

• To enable multitasking and run more programs simultaneously