laboursonline – MCQs, Mock Tests | Computer OS - Computer Operating Systems Part 5

… transforms one interface into other interface

1. Program
2. Software
3. Data
4. None

✅ Correct Answer: 2

interface consists of thing like program counter, register, interrupts and terminal

1. Hardware
2. Software
3. Data
4. None

✅ Correct Answer: 1

… show characteristics with both hardware and software

1. Operating system
2. Software
3. Data
4. None

✅ Correct Answer: 1

_____ shares characteristics with both hardware and software

1. Operating system
2. Software
3. Data
4. None

✅ Correct Answer: 1

Which of the following command is used to switch between the window programs?

1. Alt+Tab
2. Alt+F4
3. Ctrl+Tab
4. None of the above

✅ Correct Answer: 1

To prevent the addition and deletion of files on a disk or tape we use

1. Format
2. Write protect
3. Create back up
4. None of above

✅ Correct Answer: 2

During the boot process, the …. looks for the system file

1. CD
2. BIOS
3. CPU
4. DVD

✅ Correct Answer: 2

The My Computer windows include icons that represent the ….installed on your computer

1. Disk drive
2. Memory
3. CPU
4. All of above

✅ Correct Answer: 1

Which of the following resources must be protected by the operating system?

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

✅ Correct Answer: 4

What are the two types of Semaphore?

1. Digital Semaphores and Binary Semaphores
2. Analog Semaphores and Octal Semaphores
3. Counting Semaphores and Binary Semaphores
4. Critical Semaphores and System Semaphores

✅ Correct Answer: 3

What will be the command if you want to copy rdoc file that resides in the floppy disk into work sub-directory of hard disk while you are in C prompt

1. Copy c:\rdoc a:\work
2. Copy A:\rdoc c:\work
3. Copy rdoc c:\work
4. Copy c:>work a:\doc

✅ Correct Answer: 2

Which command is used to combine F1 and F2 file into the file F3

1. Copy F1+F2 F3
2. Copy F3 F1+F2
3. Copy F1+F2+F3
4. Copy F1 F2+F3

✅ Correct Answer: 1

The command to display the contents of a file fast.it

1. TYPE it fast
2. COPY fast.it CON
3. COPY CON fast.it
4. None of above

✅ Correct Answer: 3

The command to display the contents of a file fast.it

1. TYPE it fast
2. COPY fast.it CON
3. COPY CON fast.it
4. None of above

✅ Correct Answer: 1

Which command is used to copy the file myfile.doc from floppy disk to hard disk?

1. Copy a:\myfile.doc c:
2. Copy c:\myfile.doc a:
3. Copy a:\ c:\myfile.doc
4. None of the above

✅ Correct Answer: 1

To display the content of the disk we use

1. Format
2. Dir
3. Copy
4. WinZip

✅ Correct Answer: 2

Which command will you use to transfer a specific file from one disk to another disk?

1. Time
2. Diskcopy
3. Copy
4. Rename

✅ Correct Answer: 3

Copy con ram.txt is

1. Copy the entire data
2. Deletes the data
3. Controlling the enter data
4. All of above

✅ Correct Answer: 1

Who is called a supervisor of computer activity?

1. CPU
2. OS
3. Control Unit
4. Application Program

✅ Correct Answer: 2

Font folder is located on

1. Desktop folder
2. Control Panel folder
3. Ms Word file
4. Program folder

✅ Correct Answer: 3

From where do you change mouse setting?

1. Setting >> mouse
2. Hardware setting
3. Control panel >> mouse
4. None

✅ Correct Answer: 3

We can restore the deleted files and folders from

1. Recycle bin
2. My document
3. Control panel
4. All of the above

✅ Correct Answer: 1

In copy con command, con stands for what?

1. Control
2. Console
3. Contrast
4. Contents

✅ Correct Answer: 2

Outlook express lets you

1. Mail communication
2. Internet
3. Connects to ISP
4. All of above

✅ Correct Answer: 1

Workgroup means

1. Computer in network
2. Individual user
3. Connection
4. All of the above

✅ Correct Answer: 1

The …enables the user to load devices drivers and programs into upper memory area while running DOS in 386 or higher microprocessor

1. Himem.sys
2. Emm386.exe
3. Config.sys
4. All of the above

✅ Correct Answer: 1

A zip is a program used to

1. Speed up the computer memory
2. Speed up the disk access
3. Compress files
4. All of the above

✅ Correct Answer: 3

The core of operating system is:

1. Unix
2. Kernel
3. Command.com
4. None of these

✅ Correct Answer: 2

The MS DOS operating system is a

1. Graphical user interface, single tasking operating system
2. Graphical user interface, multitasking operating system
3. Command driven interface, single tasking operating system
4. Command driven interface, multitasking operating system

✅ Correct Answer: 3

Command Interpreter is also known as

1. Prompt
2. Shell
3. Command
4. DOS Prompt

✅ Correct Answer: 2

What should be the extension to execute files?

1. EXE
2. BAT
3. COM
4. All of above

✅ Correct Answer: 4

Part of the POST process is to ensure that the test of essential peripheral device coincides with the hardware configuration that stored in

1. ROM
2. The hard drive
3. CMOS
4. Cache Memory

✅ Correct Answer: 3

The memory resident portion of operating system is called the

1. Registry
2. API
3. COMS
4. Kernel

✅ Correct Answer: 4

What is the easiest method to run MS Dos in Windows environment?

1. My computer
2. Go to Dos from Start menu
3. Click on icon on desktop
4. Type Command in run dialog box

✅ Correct Answer: 4

Boot startup process

1. Loads system files to RAM
2. Checks the computer connections
3. Clean up the computer memory
4. Prepare the computer ready

✅ Correct Answer: 1

The command fixes the minor errors of the disk

1. Error.fix
2. Scandisk
3. CHKDSK/f
4. Defrag

✅ Correct Answer: 3

Which is an internal command?

1. Label
2. Verify
3. CHKDSK
4. All of above

✅ Correct Answer: 2

The command allows you to show the status of the disk

1. Vol
2. Diskcomp
3. CHKDSK
4. Defrag

✅ Correct Answer: 3

The command allows you to show the status of the disk is

1. Vol
2. Diskcomp
3. CHKDSK
4. Defrag

✅ Correct Answer: 3

Which of the following command is an internal command?

1. Del
2. Scandisk
3. CHKDSK
4. Deltree

✅ Correct Answer: 1

Which among the following are the best tools for fixing the errors?

1. Fdisk
2. Scandisk
3. CHKDSK
4. Fixdisk

✅ Correct Answer: 2

Which command is not an internal command?

1. Dir
2. Edit
3. CD
4. CLS

✅ Correct Answer: 2

Which command does not exist in DOS?

1. Sum
2. CLS
3. CD
4. Dir

✅ Correct Answer: 1

To make directory

1. MKD
2. MKDIR
3. CD
4. All of above

✅ Correct Answer: 2

When you delete file, where it resides?

1. Briefcase
2. Recycle bin
3. CD
4. Desktop

✅ Correct Answer: 2

Which of the following memory unit that processor can access more rapidly

1. Main Memory
2. Virtual Memory
3. Cache memory
4. Read Only Memory

✅ Correct Answer: 3

Which is the system prompt?

1. c>
2. c:\>
3. c:>
4. None

✅ Correct Answer: 2

What will be the output of command prompt $l$p$g

1. C:/>
2. <C:\>
3. C:<>
4. None of above

✅ Correct Answer: 2

Where you can find the font?

1. C:\Font
2. C:\windows\font
3. C:\control panel\font
4. All of above

✅ Correct Answer: 2

What will be the output of the command prompt $l$p$g?

1. <c:\>
2. /C
3. C:\
4. C:<\>

✅ Correct Answer: 1