💻 Computing Solved MCQs with Answers

Practice 1954 approved 💻 Computing questions with verified answers from the 💾 Computer Science subject for Pakistan exams.

1954 solved MCQs

Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?Answer: XCOPY/D : date Which DOS command will format a floppy disk and transfer the system filesAnswer: FORMAT A: /S While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?Answer: RESTORE The term TSR is an abbreviation for:Answer: Terminate Stay Resident Using the _____ switch causes FDISK to display the partition status of your hard disk without executing FDISK.Answer: /status While working with MS-DOS, which command is used to undelete a bunch of files with extension DOC that you have just deleted?Answer: UNDELETE *.DOC In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?Answer: F5 You want to view the contents of autoexec.bat on the screen using the "type" command, but it scrolls by too quickly, what switch do you use to make it pause?Answer: type c:\autoexec.bat|more. What file contains commands that configure systems devices?Answer: Config.sys Which command is used to suppress the prompt that asks you to confirm that you want to delete the directory?Answer: DELTREE/F The buffers statement is found in what file?Answer: Config.sys Which of the following is loaded for CD-ROM support?Answer: MSCDEX.EXE To find out how much memory is available, you could type______.Answer: MEM Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?Answer: Logical, Extended, Primary While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?Answer: TYPE filename | MORE Which DOS command is used to detect, diagnose and repair logical and physical disk errors on both, uncompressed and Double space compressed drive?Answer: SCANDISK What command would you type to list all of the files in the current directory?Answer: DIR While working with MS-DOS, which command is used to move file from one directory to another?Answer: MOVE A _____ boot is when DOS is restarted without turning off the computer.Answer: warm While using the DIR command, you can use certain switches with it. Which one of the following cannot be used with DIR?Answer: /T You suspect a virus has entered your computer. What will not be affected by the virus?Answer: CMOS What is a TSR?Answer: terminate and stay resident program What does MSCDEX.EXE do?Answer: it's a CD-ROM DOS driver Upper Memory blocks are located where?Answer: Reserved Memory Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?Answer: BAT After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?Answer: Use the SETVER command When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?Answer: SYS C: A: Which of the following commands allows you to make a directory?Answer: MD While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?Answer: MODE CO40 Which DOS command allows you to compress existing disks and to create new compressed volumes?Answer: DBLSPACE