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

An operating system intended for use on microprocessor based systems that supports a single user is

  1. PC-DOS

  2. MS-DOS

  3. UNIX

  4. CP/M
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CP/M (Control Program for Microcomputers) was a widely used single-user operating system for early 8-bit microcomputers. While MS-DOS and PC-DOS are also single-user systems, CP/M was the industry standard for the first generation of microprocessor-based systems. UNIX, by contrast, is a multi-user and multi-tasking operating system.

Multiple choice

A loader is a routine that loads an object program and prepares it for _________.

  1. a program

  2. an object deck

  3. execution

  4. a single-line
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A loader is a system utility that takes an object program from secondary storage and places it into the main memory. Its primary role is to ensure the program is correctly positioned and linked so that the CPU can begin processing it. Therefore, the ultimate goal of the loading process is the execution of the program.

Multiple choice

Unix is a _______ operating system.

  1. multiuser

  2. timesharing

  3. both 1 and 2

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

Unix was designed from the ground up to support multiple users simultaneously and uses timesharing to manage CPU resources among those users.

Multiple choice

The main function of shared memory is

  1. to use primary memory efficiently

  2. to do inter-process communication

  3. to do intra-process communication

  4. to control disk scheduling
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Shared memory is a method used in operating systems to allow multiple processes to access the same memory space for inter-process communication (IPC).

Multiple choice

Which part of operating system manages the essential peripherals, such as the keyboard, screen, disk drives, and parallel and serial ports?

  1. Basic input/output system

  2. Secondary input/output system

  3. Peripheral input/output system

  4. Marginal input/output system

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

The Basic Input/Output System (BIOS) is firmware used to perform hardware initialization during the booting process and provides runtime services for operating systems and programs to manage peripherals.

Multiple choice

Linux is a (n) ____________ operating system.

  1. open-source

  2. Microsoft

  3. Windows

  4. Mac

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

Linux is a free and open-source operating system, meaning its source code is available for anyone to inspect, modify, and enhance.

Multiple choice

The operating system creates which of the following options from the physical computer?

  1. Virtual space

  2. Virtual computers

  3. Virtual device

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

An OS can connect to multiple local or remote computers within a network and can perform operations on hardware of remote computer network, even though there are multiple, physically different computers. The OS can still manage them virtually as a single unit.