Operating System MCQ part 12 || 276-300 important Questions and Answer

Operating System MCQ part 12 with question and answer. This article contains the 25 questions for practicing loksewa computer operator exam. Answer is given at the end of the page.

276. Bringing a page into memory only when it is needed, this mechanism is called

a. Deadlock
b. Page Fault
c. Dormant Paging
d. Demand Paging

277. It is the default folder for many Windows Applications to save your file

a. My Document
b. My Pictures
c. Documents and Settings
d. My Computer

278. The component of Widows that lets you to transfer contents from one document to another

a. Briefcase
b. Clipboard
c. Document
d. Boot

279. What do you mean by Memory Compaction?

a. Combine multiple equal memory holes into one big hole
b. Combine multiple small memory holes into one big hole
c. Divide big memory hole into small holes
d. Divide memory hole by 2

280. Desktop is a

a. Provides workspace
b. Screen saver
c. Display program
d. Working with my document

281. The operating system manages

a. Memory
b. Processes
c. Disks and I/O devices
d. All of above

282. The operating system manages

a. Memory
b. Processes
c. Disks and I/O devices
d. all of the above

283. You need to duplicate the entire disk which command will you use?

a. Copy
b. Move
c. Diskcopy
d. All of above

284. Which of the following is not a system tool?

a. Scandisk
b. Drive space
c. Disk defragmenter
d. Doskey

285. DOS stand for

a. Dummy operating system
b. DOS operating system
c. Dirty operating system
d. Disk operating system

286. Which of the following statement about directories is false?

a. Directories can exist inside directories
b. The root directory is always at the highest level
c. Directories cannot be renamed
d. Directories can be deleted

287. Which command allows you to show the contents of disk widely in screen?

a. Dir/p
b. Dir/b
c. Dir/w
d. Dir/o:w

288. Which command will be used to display only the file name and extensions in wide format?

a. Dir/b
b. Dir A:
c. Dir/s
d. Dir/w

289. Which command displays only directory?

a. Dir/aa
b. Dir/od
c. Dir/directory
d. Dir/ad

290. Which command permits to see the directory structure in DOS?

a. Display structure
b. Tree
c. Dir/all
d. All of above

291. To display hidden files

a. Dir/hidden
b. Attrib/ah
c. Dir/ah
d. None of above

292. The command used to display all files (.exe) from the system

a. Dir *.exe
b. Dir *.exe/s
c. Dir *.exe/all
d. None of above

293. The command refreshes the screen and places the cursor at the top left corner of screen

a. CLS
b. Clear
c. Dir

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294. Which command will you use to display the system date?

a. Date
b. Ver
c. Dir
d. Format

295. Which command is used to provide access to program located in other directory or disk?

a. Tree
b. Path
c. Dir
d. CD

296. The ….can be defined as the entire windows display and can be envisioned as the electronic equivalent of your own desk’s surface

a. Desktop
b. Windows
c. Dialog box
d. None of above

297. In PC from where you will connect internet?

a. Tools
b. Network neighborhood
c. Dial up network
d. None of the above

298. The program that is responsible for loading the operating system into RAM is called

b. Bootstrap program
c. Device driver
d. Supervisor program

299. Copying a process from memory to disk to allow space for other processes is Called

a. Swapping
b. Deadlock
c. Demand Paging
d. Page Fault

300. Which of the following command is used to ask you to confirm that you want to delete the directory?

a. Deltree/f
b. Erase *.*
c. Deltree *.*
d. Del *.*/p

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Answers for Operating System MCQ part 12

276 – d277 – a278 – b279 – b280 – a
281 – d282 – d283 – c284 – d285 – d
286 – c287 – c288 – d289 – d290 – b
291 – c292 – b293 – a294 – a295 – d
296 – a297 – c298 – b299 – a300 – d

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