Computer Knowledge

Operating Systems

1,344 Questions

Test your computer knowledge with these questions on operating systems. The content covers various platforms including Unix, Linux, Windows, Android, and Macintosh. These questions are commonly asked in the computer knowledge sections of banking and government exams.

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Operating Systems Questions

Multiple choice

Microkernel is

  1. more flexible

  2. not flexible

  3. maintainable

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Microkernels are designed to be minimal, moving most OS services to user space, which makes them highly modular and flexible compared to monolithic kernels.

Multiple choice

The cls in which must not only be the same butalso must not deviate from the real time by more than certain amount then those clocks are called as

  1. Physical clock

  2. Real clock

  3. Logical clock

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Physical clocks are hardware clocks that must not only be the same but must also not deviate from real time by more than a certain amount. They have bounded drift rates. Real clocks and logical clocks are different concepts - logical clocks track event ordering without reference to real time. The question tests understanding of physical clock precision requirements.

Multiple choice

Which of the following best describes the threads?

  1. Threads are more cheaper to create and destroy as they don not require allocation of real addresses

  2. Switching of threads is faster

  3. Threads will have their own stack and registers

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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Multiple choice

Which of the following statements is false?

  1. VM implements the translation of a programs address space to physical address space.

  2. VM allows each program to exceed the size of the primary memory.

  3. VM increases degree of multiprogramming.

  4. VM reduces the context switching overhead.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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Multiple choice

The network socket is used in

  1. network layer

  2. transport layer

  3. data link layer

  4. presentation layer

  5. physical layer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Network socket concept is used in transport layer. It is defined as end point of an inter-process communication flow which takes place across a computer network.

Multiple choice

The basic unit of execution is

  1. bit

  2. thread

  3. word

  4. data
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The basic unit of execution is thread. It splits the program in parts and simultaneously processes all the parts.