Question:* What does DOS stands for?
Answer: • Disk Operating System
Question:* Which pair of command does not perform the same function?
Answer: • FOR, FORMAT
Question:* The PATH command is typically found in which file?
Answer: • AUTOEXEC.BAT
Question:* Which command do you use to display the contents of a file?
Answer: • type
Question:* Which command do you use to list all the files and folders whose name contains TST from second character?
Answer: • dir ?tst*
Question:* Which of the following DOS command will display the name of files in sorted order?
Answer: • Dir/o:n
Question:* What happens when you type “CD” and press “Enter” key?
Answer: • Displays current directory
Question:* Which of the following will create a bootable floppy disk?
Answer: • All three commands will create a bootable floppy disk
Question:* Which of the following command will delete a directory?
Answer: • RMDIR
Question:* Which of the following DOS commands provides International keyboard (different countries and language) and character set information?
Answer: • CHCP
Question:* Which file contains configuration files for the DOS operating system?
Answer: • CONFIG.SYS
Question:* RESTORE command is used for which of the following?
Answer: • Restore files from disks made using the BACKUP command
Question:* What is the size limitation of MS-DOS file name and extension?
Answer: • 8 and 3
Question:* Which of the following commands is used to copy all the files stored in floppy disk into the DATA directory of hard disk (c drive)?
Answer: • copy A:*.* c:data
Question:* Which of the following is not a DOS executable extension?
Answer: • SYS
Question:* True or False? DOS uses the 8.3 filename convention.
Answer: • True
Question:* Which of the following command installs file-sharing and locking capabilities on the hard disk?
Answer: • SHARE
Question:* Which of the following is true about DOSKEY?
Answer: • All of the given options are valid
Question:* Which of the following is true about external command MSD?
Answer: • Provides detailed technical information about the computer
Question:* Which statement about COMMAND.COM is true?
Answer: • All three statements are true
Question:* The COPY command:
Answer: • copies one or more files to another location
Question:* What does formatting a disk mean?
Answer: • Build/rebuild tracks, sectors
Question:* Which of the following command will delete a file?
Answer: • All three commands can delete a file
Question:* Which command is used to set the name to a disk in DOS?
Answer: • LABEL
Question:* Which of the following is NOT an internal command?
Answer: • APPEND
Question:* What is the command that will change to the root directory irrespective of the current directory?
Answer: • CD\
Question:* Which DOS command will combine file1 and file2 into new file named file3?
Answer: • Copy file1+file2 file3
Question:* Which command is used to display the disk volume label?
Answer: • Vol
Question:* A program or command to execute automatically when OS starts is kept in which file?
Answer: • autoexec.bat
Question:* What function does the MEM command perform?
Answer: • Displays the amount of used and free memory
Question:* Which of the following commands is used to display the list of files and directories starting with 's'?
Answer: • dir s*
Question:* Which statement about TSR is true?
Answer: • All three statements are true
Question:* What type of OS is MSDOS?
Answer: • Single user, CUI
Question:* Which command will copy all files with extension .TXT under the current directory to drive D?
Answer: • COPY *.TXT D:
Question:* What action does the DELTREE command perform?
Answer: • deletes a directory and all subdirectories and files within it
Question:* Which statement about AUTOEXEC.BAT is true?
Answer: • All three statements are true
Question:* True or False? DOS is a multitasking operating system.
Answer: • False
Question:* What DOS command formats a floppy disk and copies system files to the formatted disk?
Answer: • FORMAT A: /S
Question:* Which of the following do you use to search a file in MS-DOS?
Answer: • dir/s
Question:* What is the command to clear the screen?
Answer: • CLS
Question:* What is the function of “Ctrl+C” in DOS?
Answer: • Breaks execution of command
Question:* Which file contains commands that configure systems devices?
Answer: • Config.sys
Question:* What are the keys pressed to perform a warm reboot on a DOS operating system?
Answer: • Ctrl + Alt + Del
Question:* What action does the MODE command perform?
Answer: • ALL three actions are performed by the MODE command
Question:* What is the command to list all files in the current directory?
Answer: • DIR
Question:* Which of the following is a key advantage of using batch files?
Answer: • All of the given options are true
Question:* True or False? A volume label can be assigned to a disk by using the LABEL command.
Answer: • True
Question:* FAT stands for which of the following?
Answer: • File Allocation Table
Question:* What is the command to create a new directory in MS-DOS?
Answer: • MD
Question:* What is DOS?
Answer: • an operating system
Question:* What is the full form of DOS?
Answer: • Disk Operating System
Question:* What interface does DOS utilize?
Answer: • command-line interface
Question:* True or False? DOS uses the File Allocation Table (FAT) file system.
Answer: • True
Question:* Which command is used to clear the screen?
Answer: • cls
Question:* In XCOPY command, What is the arguiment used for avoiding prompt for overwrite ?
Answer: • /Y
Question:* Which of the following command will display the list of all previous commands entered by the user?
Answer: • DOSKEY
Question:* Which is not displayed by “CHKDSK” command?
Answer: • number of executable files
Question:* Which of the following external command load country specific information?
Answer: • NLSFUNC
Question:* What is the attribute that’ll suppress prompting in the MOVE command
Answer: • /Y
Question:* "Active Code Page: 437" is displayed when using this command:
Answer: • CHCP
Question:* Which of the following properties in CONFIG.SYS file loads device drivers in the upper memory area?
Answer: • DEVICEHIGH
Question:* Which of the following command continuously monitors the computer for viruses?
Answer: • VSAFE
Question:* Which of the following command is syntactically incorrect?
Answer: • REN c:\foo.txt d:\bar.txt
Question:* What is the command to list only the hidden files under the current directory?
Answer: • DIR /A:H
Question:* Which external command file is required to use “format” command?
Answer: • format.com
Question:* What does TSR stand for?
Answer: • Terminate and Stay Resident
Question:* Which of the following is the correct load/execution sequence during a DOS boot?
Answer: • MSDOS.SYS, CONFIG.SYS, COMMAND.COM, AUTOEXEC.BAT
Question:* What is the order of precedence when COMMAND.COM searches for executable files?
Answer: • .COM, .EXE, .BAT
Question:* Which of the following is NOT an external command?
Answer: • GOTO
Question:* What is the correct command to transfer a file from one disk to another?
Answer: • MOVE
Question:* What is the first program that gets run after boot?
Answer: • COMMAND.COM
Question:* Which of the folllwing command is used in CONFIG.SYS file to specify the number of file-control blocks for file sharing?
Answer: • FCBS
Question:* True or False. DOS is not a single operating system but several closely related operating systems.
Answer: • True
Question:* Which of the following is true about FASTOPEN?
Answer: • Decreases the amount of time needed to open frequently both used files and directories
Question:* Which statement about Quick Format is true?
Answer: • Quick format does not check for bad sectors
Question:* Which of the following operating systems does not fall under DOS?
Answer: • Win DOS
Question:* Which of the following external command compares two files or sets of files, and displays the differences between them?
Answer: • FC
Question:* Which command displays the directory list including files in tree structure ?
Answer: • Tree/f
Question:* Which key will bypass CONFIG.SYS and AUTOEXEC.BAT during the boot sequence?
Answer: • F5
Question:* In Windows Xp, what is the file equlivalent to CONFIG.SYS ?
Answer: • Config.Nt
Question:* Which of the following are available in a DOS file system ?
Answer: • IBMBIO.COM, IBMDOS.COM, COMMAND.COM
Question:* Which of the following command copies a folder including all of its subdirectories?
Answer: • XCOPY C:\Source C:\Destination /E /I
Question:* Which of the following command is syntactically incorrect?
Answer: • REN c:\foo.txt d:\bar.txt
Question:* Which of the following command copies a folder including all of its subdirectories?
Answer: • XCOPY C:\Source C:\Destination /E /I
Question:* Which of the following external command deletes a directory and all the files and subdirectories in it?
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