Operating System Basics Questions and Answers
Operating System Basics questions with answers are among the most commonly asked in technical interviews and exams. This section covers core OS concepts like process management, memory allocation, file systems, and scheduling algorithms. Practicing programming questions and answers on operating systems helps strengthen your conceptual clarity and practical understanding of computer architecture. Frequently featured in GATE, TCS, Infosys, and Wipro placements, these MCQs provide a balanced mix of theoretical and applied knowledge. Clear explanations make this section an ideal resource for anyone preparing for system-related roles or competitive exams.
Operating System Basics
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563 questions
401. A situation where two or more processes coordinate their activities based on a condition is referred as
- Synchronization
- Dead lock
- Starvation
- Par begin
402. Par begin (P1)
- Suspends main program, execute procedure P1 and after execution resume main program.
- Procedure P1 is delayed infinitely due to other procedure are given preference.
- Procedure P1 is not considered for excution.
- None of these
403. The mail box and ports are examples of
- Indirect process communication
- Direct process communication.
- Both A and B true
- None is true
404. In Dynamic partition of main memory in memory management, the sized of process and memory partition is
- of exactly same size
- of different size
- Both A and B true
- None is true
405. In the simple paging in memory management where
- Process can be loaded into a partition of equal or greater size.
- process is loaded into a partition exactly same size
- Process is divided into a number of equal size pages of same length as of frames.
- None of these.
406. A. Absolute Loading B. Relcatable Loading C. Dynamic Run-Time Loading; 1-It requires that a load module always be loaded into some location in main memory. 2-A load module can be located anywhere in main memory.
- A - 2, B - 1, C - 1
- A - 1, B - 1, C - 2
- A - 1, B - 2, C - 2
- A -1, B - 2, C - 1
407. The disk and tape devices are referred as
- Block oriented I/O devices
- Stream oriented I/O devices
- Logical I/O devices
- None of these
408. Which of the following is not human readable I/O device ?
- Video display terminals
- Key board
- Printers
- Disk drives
409. Following is not the stream oriented I/O device
- Printer
- Mouse
- Communication modules
- Disk/tape
410. The direct memory access (DM(A) Module
- Controls is the data exchange between main memory and I/O module.
- The processor issues I/O command. execute subsequent instructios and interrupt I/O module
- The processor issues I/O commands to an I/O commands to an I/O mdule.
- None of these