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450+ Basics of Operating System Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Common Topics in Competitive and Entrance exams .

151.

A spooler is a

A. Location in memory that maintains the contents of documents until it prints out
B. Queue of print job that are waiting to print
C. Program that coordinates the print job that are waiting to process
D. Message sent from the printer to the operating system when a print job is completed
Answer» C. Program that coordinates the print job that are waiting to process
152.

The problem with ...file is that they slow your computer's operation

A. Fragmented
B. Formatted
C. Program
D. All of above
Answer» A. Fragmented
153.

User action such as keystroke or mouse click are referred to as

A. Interrupt
B. Tasks
C. Processes
D. Event
Answer» D. Event
154.

Which is not internal command?

A. Doskey
B. Verify
C. Print
D. Find
Answer» D. Find
155.

What is the method of handling deadlocks?

A. Use a protocol to ensure that the system will never enter a deadlock state.
B. Allow the system to enter the deadlock state and then recover.
C. Pretend that deadlocks never occur in the system.
D. All of the Above
Answer» D. All of the Above
156.

To delete a file without allowing it to store in recycle bin

A. Press Delete key
B. Press Shift + Delete key
C. Press Ctrl + Delete key
D. Press Alt + Delete key
Answer» B. Press Shift + Delete key
157.

Operating system is a ....

A. System software
B. Application software
C. Presentation software
D. Database software
Answer» A. System software
158.

To display a shortcut menu for an object you use

A. Click the object
B. Right click the object
C. Point the object and press Ctrl+P
D. Touch the object on the screen with your finger
Answer» B. Right click the object
159.

Which of the following separates primary file and extension is

A. Dot
B. Period
C. Point
D. All of the above
Answer» D. All of the above
160.

In Microsoft windows, the graphical pattern on the desktop used as background for windows is

A. Icons
B. Wall paper
C. Picture
D. Background
Answer» B. Wall paper
161.

All of the following are task performed by the operating system except

A. Managing hardware on the computer
B. Controlling the access that application program has to the CPU
C. Performing housekeeping task like file compression and disk defragmentation
D. Provides an interface for user to interact with computer
Answer» C. Performing housekeeping task like file compression and disk defragmentation
162.

Which of the following is not an operating system?

A. CP/M
B. Unix
C. Pascal
D. MS DOS
Answer» C. Pascal
163.

Operating system is like a

A. Government
B. Police
C. Parliament
D. All of above
Answer» A. Government
164.

Underlined character on the menu or dialog box known as

A. Hot spot
B. Hot key
C. Pane
D. Underline word
Answer» B. Hot key
165.

Which key deletes text before, or to the left, of the insertion point?

A. PageUp
B. Delete
C. PageDown
D. BackSpace
Answer» D. BackSpace
166.

The chunks of a memory are known as

A. Sector
B. Offset
C. Page
D. Frame
Answer» D. Frame
167.

Start/restart the computer is called

A. Exit
B. Run
C. Option
D. Boot
Answer» D. Boot
168.

Which file is transferred when computer is start up?

A. Document
B. Program files
C. Operating system
D. System files
Answer» D. System files
169.

Which of the following is an example of utility?

A. Antivirus
B. Word
C. Operating system
D. Data recovery
Answer» A. Antivirus
170.

Which is built directly on the hardware?

A. Computer Environment
B. Application Software
C. Operating System
D. Database System
Answer» C. Operating System
171.

....system is built directly on the hardware

A. Environment
B. System
C. Operating
D. None
Answer» C. Operating
172.

The purpose of run command in start menu is to

A. Launch internet browser
B. Open internet explorer
C. Open windows explorer
D. Start programs
Answer» D. Start programs
173.

You can select My Computer icon and press Alt + Enter to

A. Delete it from desktop permanently
B. Open it in Explorer mode
C. Open System Properties dialog box
D. Pin it on Start menu
Answer» C. Open System Properties dialog box
174.

Generally quick launch toolbar is displayed on

A. the left side of taskbar
B. the right side of taskbar
C. on the middle of taskbar
D. a bar out of taskbar
Answer» A. the left side of taskbar
175.

Which is not a valid file system?

A. FAT 16
B. FAT 32
C. NTFS
D. FXZ
Answer» D. FXZ
176.

Which file system DOS typically use?

A. FAT 16
B. FAT 32
C. NTFS
D. LMFS
Answer» A. FAT 16
177.

Which file system Windows 95 typically use?

A. FAT 16
B. FAT 32
C. NTFS
D. LMFS
Answer» B. FAT 32
178.

Which of the following is not a mode in starting Windows?

A. Command Prompt
B. Safe Mode
C. Normal Mode
D. Turbo Mode
Answer» D. Turbo Mode
179.

Which of the following is default mode for Windows to start?

A. Command Prompt
B. Safe Mode
C. Normal Mode
D. None of above
Answer» C. Normal Mode
180.

The file system "NTFS" stands for

A. New Type File System
B. Never Terminated File System
C. New Technology File System
D. Non Terminated File System
Answer» C. New Technology File System
181.

What is the full form of NTFS

A. New Technology File System
B. New Technical File System
C. New Technician File System
D. None of the above
Answer» A. New Technology File System
182.

Which one of the following is not the function of Operating System?

A. Resource Management
B. File Management
C. Networking
D. Processor Management
Answer» C. Networking
183.

How do you connect internet in your system?

A. My computer >> dialup networking
B. Control panel >> modem
C. Network neighborhood
D. None of above
Answer» A. My computer >> dialup networking
184.

The following applications may appear on system tray except

A. System Clock
B. Volume Control
C. Network Connection
D. MS Office Suite
Answer» D. MS Office Suite
185.

Which of the following is text browser?

A. Lynx
B. Hot Java
C. Netscape
D. Internet Explorer
Answer» A. Lynx
186.

Which of the following is default location of saving and opening file?

A. Desktop
B. My computer
C. My documents
D. All of above
Answer» C. My documents
187.

By default we can save the file in

A. Desktop
B. Recycle bin
C. My document
D. My computer
Answer» C. My document
188.

____ is the operating systems File and folder Manager

A. Windows Explorer
B. Windows Control Panel
C. My Computer
D. My Documents
Answer» A. Windows Explorer
189.

It is used to explorer the contents of computer, drives as well as manage files

B. My Document
C. My Computer
D. My Network Place
Answer» B. My Document
190.

The necessary conditions needed before deadlock can occur?

A. No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
B. Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
C. Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
D. Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Answer» C. Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
191.

The OS used to operate the mobile phone is a

A. Smart card OS
B. Embedded OS
C. Multiuser OS
D. None of above
Answer» B. Embedded OS
192.

UNIX operating system is a(n)

A. Time sharing operating system
B. Multi-user operating system
C. Multi-tasking operating system
D. All of the above
Answer» D. All of the above
193.

The ability of an operating system to control the activities of multiple program at the same time is called

A. Multitasking
B. Multiprocessing
C. Multioperating
D. Multipaging
Answer» A. Multitasking
194.

The OS used to operate the mobile phone is a

A. Smart card OS
B. Embedded OS
C. Multi user OS
D. None of above
Answer» B. Embedded OS
195.

Unix Operating System is an

A. Multi User Operating System
B. Time Sharing Operating System
C. Multi Tasking Operating System
D. All the Above
Answer» D. All the Above
196.

....is used in operating system to separate mechanism from policy

A. Single level implementation
B. Two level implementation
C. Multi level implementation
D. None
Answer» B. Two level implementation
197.

______ is used in operating system to separate mechanism from policy

A. Single level implementation
B. Two level implementation
C. Multi level implementation
D. None
Answer» B. Two level implementation
198.

Essential files of MS DOS are

A. Command.com
B. Io.sys
C. Msdos.sys
D. All of above
Answer» D. All of above
199.

Which Operating System doesn't support long file names?

A. OS/2
B. Windows 95
C. MS-DOS
D. Windows NT
Answer» C. MS-DOS
200.

We need system files to run

A. MS Word
B. MS Excel
C. MS Dos
D. MS Access
Answer» C. MS Dos

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