Operating System Basics Questions and Answers

Practice Mode
Showing 10 of 563 questions
Q321
OS/380 is a
  • A Single user system
  • B Multi user system
  • C Single tasking system
  • D None of these
Answer: Option B
Q322
Thread is
  • A Dispatch able unit of work
  • B Can be interrupted
  • C A and B both true
  • D A and B both false
Answer: Option C
Q323
Multithreading allows
  • A To run threads concurrently
  • B To run threads independently
  • C A is true, B is false
  • D A and B both true.
Answer: Option D
Q324
For multithreading
  • A Tasks to be performed can be independent
  • B Task to be performed is essentially serialized.
  • C Tasks cannot be divided into number of threads.
  • D None is true
Answer: Option A
Q325
The principal function of a process is
  • A To execute machine instructions residing in main memory.
  • B To execute assembly instructions residing outside main memory
  • C A and B both true.
  • D A and B both false.
Answer: Option A
Q326
The trace of the process is
  • A A set of instructins that execute process
  • B A listing of sequence of instructions that execute process
  • C A track of network
  • D None of these
Answer: Option B
Q327
The two state process models have the following states
  • A Running and Not Running
  • B Running and Ready
  • C Ready and Blocked
  • D New and Ready
Answer: Option A
Q328
The process control blocks are referred for
  • A Process control
  • B I/O devices
  • C Memory allocation
  • D None of these
Answer: Option A
Q329
Given three switch processes. when they occur match them (1) Clock interrupt A-The processor encounters a virtual memory address reference for a world that is not in the main memory. (2) I/O interrupt B-The operating system determines whether the currently running process has been executed for the maximum allowable time slice. (3) Memory fault C- The operating system determines the I/O action that occurs.
  • A 1-A, 2-B,3-C
  • B 1-B, 2-C, 3-A
  • C 1-B, 2-A, 3-C
  • D 1-C, 2-B, 3-A
Answer: Option B
Q330
With trap process control
  • A Operating system determines the error or exception condition that is atal.
  • B Operating system interrupted for maximum allowable time.
  • C Are tables that manage information process
  • D None of these
Answer: Option A

📚 More from Technical

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
Technical
Back to Technical
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test