laboursonline – MCQs, Mock Tests | Computer OS(Computer Operating Systems) Part 4

A real time operating system is most likely to be used for which of the following task?

1. Controlling access to a shared printer in a network
2. Ensuring that system clock works correctly on server
3. Managing the access to system files in a laptop computers
4. Controlling the fuel injection system of an automobile engines

✅ Correct Answer: 4

An operating system is a program or a group of programs that

1. Helps in checking the spelling of Word
2. Maintain the relationship in Database
3. Manages the resources of the Computer
4. Performs the calculations of cells in Excel

✅ Correct Answer: 3

What is the function of an operating system?

1. Manages computer’s resources very efficiently
2. Takes care of scheduling jobs for execution
3. Manages the flow of data and instructions
4. All of the above

✅ Correct Answer: 4

The Primary job of the operating system is

1. Manage Commands
2. Manage Users
3. Manage Programs
4. Manage Resources

✅ Correct Answer: 4

Which of the following is not an operating system?

1. Windows 2000
2. Linux
3. Mac OS
4. Notepad

✅ Correct Answer: 4

Scandisk analyze and repair damage to which of the following?

1. Physical clusters
2. FAT
3. Lost clusters
4. All of the above

✅ Correct Answer: 4

Find can be used to

1. Locate a program
2. Locate a document
3. Locate a network computer
4. . All of above

✅ Correct Answer: 4

….is a new windows feature that offers a number of methods for searching for a file or folder?

1. Find
2. Search
3. Locate
4. All of the above

✅ Correct Answer: 1

The ….command is used to open windows based application directly from DOS prompt

1. Run
2. Start
3. Load
4. . Execute

✅ Correct Answer: 2

When we double click on my computer

1. Show the content of your saved files
2. Show the list of your computer drive
3. List of deleted files and folders
4. All of the above

✅ Correct Answer: 2

A ….is a pointing device

1. Monitor
2. Mouse
3. Keyboard
4. None of these

✅ Correct Answer: 2

Which of the following is the part of the operating system?

1. Cell
2. FAT
3. Kernel
4. Disk

✅ Correct Answer: 3

Directory is similar to ….

1. File
2. Folder
3. Item
4. None of above

✅ Correct Answer: 2

What are the benefits of network?

1. To share hardware components
2. To share information and share
3. It reduces cost
4. All of above

✅ Correct Answer: 4

Sleep is a good mode to use because

1. It saves power which in trun is saving money
2. It makes compuer fresh after it wakes up
3. It consumes low battery when you start it again
4. All of above

✅ Correct Answer: 4

What hole will allocates in “Worst-Fit” algorithm of memory management?

1. It allocates the smaller hole than required memory hole
2. It allocates the smallest hole from the available memory holes
3. It allocates the largest hole from the available memory holes
4. It allocates the exact same size memory hole

✅ Correct Answer: 1

The operating feature that integrates the file created in different application into WebPages

1. Web integration
2. Internet integration
3. Intranet integration
4. Hypertext integration

✅ Correct Answer: 1

BIOS is used by

1. Operating system
2. Compiler
3. Interpreter
4. Application software

✅ Correct Answer: 1

Commonly network of network is called

1. MS Word
2. MS Excel
3. Internet
4. Interpreter

✅ Correct Answer: 3

Which icon would you access in the printer window to install a printer drive?

1. Add printer wizard
2. set up
3. Install
4. None of above

✅ Correct Answer: 1

Which of the following is the allocation method of a disk space?

1. Contiguous allocation
2. Linked allocation
3. Indexed allocation
4. All of the Above

✅ Correct Answer: 4

You can set the width taskbar area and different components in it

1. By right click and set width menu
2. If the taskbar is not yet locked
3. If the applications are not opened
4. If other toolbars are not enabled

✅ Correct Answer: 2

When you cut or copy the text or picture it stores temporarily in the

1. File
2. Clipboard
3. Icon
4. All of above

✅ Correct Answer: 2

A tiny dot of light on the monitor is called

1. Silicon chip
2. Optical illusion
3. Icon
4. Pixel

✅ Correct Answer: 4

Who is called a supervisor of computer activity?

1. Memory
2. Operating System
3. I/O Devices
4. Control Unit

✅ Correct Answer: 2

Operating System manages

1. Memory
2. Processor
3. I/O devices
4. All of the above

✅ Correct Answer: 4

To send email we use

1. MS Excel
2. Outlook Explorer
3. HTML
4. Netscape Navigator

✅ Correct Answer: 2

Which of the following concept is best to preventing page faults?

1. Paging
2. The working set
3. Hit ratios
4. Address location resolution

✅ Correct Answer: 2

Poor response time are usually caused by

1. Process busy
2. High I/I rates
3. High paging rate
4. Any of the above

✅ Correct Answer: 4

Internal commands are

1. Incorporated in the command.com
2. Incorporate in the command directory
3. Have external files
4. All of the above

✅ Correct Answer: 1

Where will store data first time when you copy

1. Clipboard
2. Clipbook
3. Hard disk
4. CD

✅ Correct Answer: 1

If you are typing paragraph that is double line spaced and press enter to start new paragraph the new paragraph will be

1. Quarter space
2. Single space
3. Half space
4. Double space

✅ Correct Answer: 4

Which is not a valid property for attribute setting?

1. C
2. S
3. H
4. R

✅ Correct Answer: 1

GUI means

1. Graphic user interface
2. Geographic user interface
3. Graphical user interface
4. Geometric user interface

✅ Correct Answer: 3

CHKDSK command

1. Check the disk
2. Dos command
3. Give information about disk
4. All of the above

✅ Correct Answer: 4

Windows can run

1. One application only
2. Two applications only
3. Four applications only
4. All of above

✅ Correct Answer: 4

Format a:/s will do

1. Formats and then transfers system file
2. Formats with verification
3. Formats and scans the disk
4. None of above

✅ Correct Answer: 1

A whole document can be formatted using the commands on the.

1. . File menu
2. Help menu
3. Format menu
4. Tools menu

✅ Correct Answer: 3

What does FAT stands for?

1. File attribute type
2. File allocation table
3. Format All Tabs settings
4. File for all type

✅ Correct Answer: 2

Which command allows you to create a root directory?

1. MD
2. Deltree
3. Format
4. All of above

✅ Correct Answer: 3

Fonts install from

1. Add from control panel
2. Font setup file
3. Font.exe file
4. All of above

✅ Correct Answer: 4

You can install fonts from

1. Add from control program
2. Font setup files
3. Font .ext files
4. All of above

✅ Correct Answer: 4

Which is not concerned with control panel?

1. Printer
2. Run application
3. Font
4. Keyboard

✅ Correct Answer: 2

Unicode standard is

1. Keyboard layout
2. Software
3. Font
4. Character encoding system

✅ Correct Answer: 4

MKDIR is similar to

1. MD
2. File allocation table
3. Folder
4. Table

✅ Correct Answer: 1

A …is a windows component that is designed to store other components so these can be organized efficiently?

1. Document
2. Window
3. Folder
4. All of above

✅ Correct Answer: 3

You can switch from one program to another on the desktop by clicking within the desired program’s window or by clicking on its ….button

1. Icon
2. Taskbar button
3. Folder
4. None of above

✅ Correct Answer: 2

You can switch from one program to another by clicking within the desired program’s icon from the

1. Application icon on desktop
2. Application icon from taskbar
3. Folder
4. None of above

✅ Correct Answer: 2

Virtual memory typically located on

1. RAM
2. CPU
3. Flash card
4. Hard drive

✅ Correct Answer: 4