Explore topic-wise MCQs in Computer.

This section includes 57 Mcqs, each offering curated multiple-choice questions to sharpen your Computer knowledge and support exam preparation. Choose a topic below to get started.

1.

Linux is which type of operating system ?

A. Open-source
B. Microsoft
C. Windows
D. Mac
E. None of these
Answer» B. Microsoft
Discussion
2.

Which type of commands in MS-DOS needs external files to perform their action ?

A. Internal commands
B. External commands
C. Batch commands
D. Redirectories
E. None of the above
Answer» C. Batch commands
Discussion
3.

What is the name of the batch file that is automatically run when MS-DOS is booted ?

A. CONFIG.sys
B. CONFIG.bat
C. AUTOEXEC.bat
D. RUN.bat
E. None of these
Answer» D. RUN.bat
Discussion
4.

Which of the following is not an internal command of DOS ?

A. VER
B. COPYCON
C. FORMAT
D. VOL
E. TYPE
Answer» D. VOL
Discussion
5.

The operating system is the most common type of ......... software

A. communication
B. application
C. system
D. Word-processing
E. None of these
Answer» D. Word-processing
Discussion
6.

Which of the following is not an external command of DOS ?

A. LABEL
B. FORMAT
C. CHKDSK
D. CLS
E. ATTRIB
Answer» E. ATTRIB
Discussion
7.

In MS-DOS, which of the following commands in used to delete directory with all sub-directions and files ?

A. Delete
B. Del
C. Deltree
D. Move
E. None of these
Answer» D. Move
Discussion
8.

Which file in MS-DOS contains internal commands that are loaded during booting process ?

A. CONFIG.sys
B. MSDOS.sys
C. BIOS.sys
D. COMMAND.xom
E. None of these
Answer» D. COMMAND.xom
Discussion
9.

Which one of the following is not the function of operating system ?

A. Resource Management
B. File Management
C. Networking
D. Processor Management
E. None of the above
Answer» D. Processor Management
Discussion
10.

The kernel is ......... user threads.

A. a part of
B. the creator of
C. unaware of
D. aware of
E. None of these
Answer» D. aware of
Discussion
11.

Which of the following is / are function of operating system ?

A. User interface
B. File system manipulation
C. Resources allocation
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
12.

When a file contains instruction that can be carried out by the computer, it is often called a(n) ......... file.

A. data
B. information
C. executable
D. application
E. None of these
Answer» D. application
Discussion
13.

Which of the following operating systems in also known as single user operating system ?

A. Windows
B. Linux
C. Unix
D. DOS
E. None of these
Answer» E. None of these
Discussion
14.

The main difference between "Windows and DOS is the ability to

A. multitasking
B. speed up
C. run a program
D. run without power
E. None of these
Answer» B. speed up
Discussion
15.

Which of the following is the main program of MS-DOS ?

A. Boot Record
B. ID sys
C. MSDOS.sys
D. Command.com
E. All of the above
Answer» B. ID sys
Discussion
16.

..........provides process and memory management services that allow two or more tasks, jobs or programs to run simultaneously.

A. Multitasking
B. Multithreading
C. Multiprocessing
D. Multicomputing
E. None of these
Answer» B. Multithreading
Discussion
17.

Which file is the batch file that is read while booting a computer ?

A. Autoexec.bat
B. Auto-batch
C. Autoexecutive.bat
D. Auto.bat
E. None of these
Answer» B. Auto-batch
Discussion
18.

Windows operating system is ........ and ...........

A. multitasking, multi user
B. multi user single tasking
C. single user, multitasking
D. single tasking, single user
E. None of the above
Answer» D. single tasking, single user
Discussion
19.

It controls the way in which the computer system functions and provides a mean by which users can interact with the computer ?

A. The platform
B. The operating system
C. Application software
D. The motherboard
E. None of these
Answer» C. Application software
Discussion
20.

What is the name of the program that controls the computer ?

A. The operating system
B. An application program
C. A browser
D. The file manager
E. The compiler
Answer» B. An application program
Discussion
21.

The restart of computer is called .......when computer is already ON.

A. cold booting
B. warm booting
C. shut down
D. logging off
E. None of these
Answer» C. shut down
Discussion
22.

What does start or restart the computer ?

A. Exit
B. Kick
C. Boot
D. Kick Start
E. None of these
Answer» D. Kick Start
Discussion
23.

In DOS, the 'label' command is used to

A. create the label of disk
B. change the label of disk
C. remove the label of disk
D. Both '1' and '2'
E. All of the above
Answer» E. All of the above
Discussion
24.

Which command is used to delete file from a directory in DOS ?

A. REN
B. DEL
C. CD
D. MD
E. None of these
Answer» C. CD
Discussion
25.

The simultaneously processing of two or more programs by multiple processors, is

A. Multi-programming
B. Multi-tasking
C. Time-tasking
D. Multi-processing
E. None of the above
Answer» E. None of the above
Discussion
26.

Linux is a type of ...... software.

A. shareware
B. commercial
C. proprietary
D. open source
E. hidden type
Answer» E. hidden type
Discussion
27.

Grouping and processing all of a firm's transactions at one time, is called

A. a database management system
B. batch processing
C. a real time system
D. an on-time system
E. None of these
Answer» C. a real time system
Discussion
28.

Which process checks to ensure the components of the computer are operating and connected properly ?

A. Booting
B. Processing
C. Saving
D. Editing
E. None of these
Answer» B. Processing
Discussion
29.

A collection of programs that controls how your computer system runs and processes information is called

A. operating system
B. computer
C. office
D. complier
E. interpreter
Answer» B. computer
Discussion
30.

The operating system is the most common type of ........... software.

A. application
B. antivirus
C. communication
D. system
E. Word-processing software
Answer» E. Word-processing software
Discussion
31.

In DOS, the DIR commands is used to

A. display content of a file
B. delete file
C. display list of files and subdirectories
D. copy files
Answer» D. copy files
Discussion
32.

Usually, in MS-DOS the primary hard disk drives has the drive letter ...........

A. A
B. B
C. C
D. D
E. None of these
Answer» D. D
Discussion
33.

What happends when you boot up a PC ?

A. Portions of the operating system are copied from disk into memory
B. Portions of the operating system are copied from memory onto disk
C. Portions of the operating system are complied
D. Portions of the operating system are emulated
E. The PC gets switched off
Answer» B. Portions of the operating system are copied from memory onto disk
Discussion
34.

Which of the following is the type of software that controls the internal operations in the computer and controls how the computer works will all its parts ?

A. Shareware
B. Public domain software
C. Application software
D. Operating system software
E. None of the above
Answer» E. None of the above
Discussion
35.

Which one of the following DIR commands lists a group of files ?

A. DIR INVOICE.bas
B. DIR RESCUE.bas
C. DIR PAY ROLL.bas
D. CIR TOOL ?.bas
E. None of the above
Answer» E. None of the above
Discussion
36.

Linux is a n example of

A. freewave
B. open source software
C. shareware
D. complimentary
E. None of these
Answer» C. shareware
Discussion
37.

Every computer has a(n) ........ many also have ........

A. operating system ; a client system
B. operating system ; instruction sets
C. application programs ; as operating system
D. application programs ; a client system
E. operating system application programs
Answer» F.
Discussion
38.

The purpose of DISKCOPY command is to

A. format the disk if it is not formatted before a write operation is initiated on it.
B. overwrite the existing contents of the destination disk as it copies the new information to is
C. make an exact copy of a floppy disk
D. All of the above
E. None of the above
Answer» E. None of the above
Discussion
39.

The capacity of the number of sectors and the number of file entries 3.5 inch floppy for root directory in MS-DOS are respectively (assume floppy capcity to be 2.88 MB)

A. 20260
B. 10120
C. 15240
D. 32512
E. None of these
Answer» D. 32512
Discussion
40.

....... is a feature for scheduling and multi-programming to provide an economical interactive system of two or more users.

A. Time sharing
B. Multi-sharing
C. Time tracing
D. Multi-processing
E. None of these
Answer» B. Multi-sharing
Discussion
41.

MS-DOS is ....... operating system

A. user friendly graphical
B. graphical user interface
C. real time GUI
D. point and check
E. command line interface
Answer» E. command line interface
Discussion
42.

' > ' symbol in DOS commands is used to

A. compare two values
B. redirect input
C. redirect output
D. filter data
E. None of the above
Answer» D. filter data
Discussion
43.

Which of the following is not usual file extension in DOS ?

A. .exe
B. .nat
C. .0
D. .class
E. None of these
Answer» D. .class
Discussion
44.

Which one of the following is an MS-DOS external command ?

A. DIR
B. COPY
C. FORMAT
D. PROMPT
Answer» D. PROMPT
Discussion
45.

Which of the following commercial software products are examples of operating system software and application software, respectively ?

A. Microsoft Window XP and Microsoft Word
B. Microsoft office XP and Microsoft Windows XP
C. MS DOS and Microsoft Windows XP
D. UNIX and LINUX
E. UNIX and Java
Answer» B. Microsoft office XP and Microsoft Windows XP
Discussion
46.

Which of the following refers to the means by which an OS or any other program interacts with the user ?

A. Program front end
B. Programming interface
C. User login
D. User interface
E. User compatibility
Answer» E. User compatibility
Discussion
47.

'DOS' floppy disk does not have

A. a boot record
B. a file allocation table
C. a root directory
D. a virtual memory
E. All of these
Answer» F.
Discussion
48.

Which of the following refers to restarting the system when it is already powered on ?

A. A strong boot
B. Hibernation
C. A cold boot
D. Standby mode
E. A warm boot
Answer» F.
Discussion
49.

Which of the following is an operating system ?

A. Linux
B. Debugger
C. Mozilla
D. Google Chrome
E. Intel 8085
Answer» B. Debugger
Discussion
50.

The OS software and data, the computer is currently using, are stored in

A. PC
B. ACP
C. USB
D. RAM
E. Scanner
Answer» E. Scanner
Discussion