Thursday, 14 January 2016

OS Questions From 301-350

Objective Type Questions From 301-350:

301. Which is an internal command?

a. Scandisk
b. XCOPY
c. Deltree
d. None of the above

302. Any files deleted in Windows goes into

a. Trash can
b. Recycle bin
c. Deleted Files
d. None of above

303. Which command is used to delete all the files from root directory of drive A?

a. Del a:\

b. Del *.*
c. Del A
d. Erase *

304. Which command used to delete all files from current directory?

a. Del
b. Deltree/y *
c. Del *.*
d. All of the above

305. Which of the following is a disk compression tool?

a. Drive space
b. Scandisk
c. Defragmenter
d. None of the above

306. What does Belady’s Anomaly related to?

a. Page Replacement Algorithm
b. Memory Management Algorithm
c. Deadlock Prevention Algorithm
d. Disk Scheduling Algorithm

307. A ….allows you to write on screen with a digital pen and convert that writing into characters that the PC can process
a. Monitor RS
b. Tablet PC
c. Database manager
d. Media Center

308. Which is not utility program?

a. Backup
b. Scandisk
c. Data recovery
d. XCOPY

309. Driver is

a. Hardware controller
b. Hardware and gain controller
c. Data controller
d. All of above

310. System files allocated at

a. Boot area
b. FAT area
c. Data area
d. Directory

311. … transforms one interface into other interface

a. Program
b. Software
c. Data
d. None

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

a. Hardware
b. Software
c. Data
d. None

313. … show characteristics with both hardware and software

a. Operating system
b. Software
c. Data
d. None

314. ______ shares characteristics with both hardware and software

a. Operating system
b. Software
c. Data
d. None

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

a. Alt+Tab
b. Alt+F4
c. Ctrl+Tab
d. None of the above

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

a. Format
b. Write protect
c. Create back up
d. None of above

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

a. CD
b. BIOS
c. CPU
d. DVD

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

a. Disk drive
b. Memory
c. CPU
d. All of above

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

a. I/O
b. Memory
c. CPU
d. All of the above

320. What are the two types of Semaphore?

a. Digital Semaphores and Binary Semaphores
b. Analog Semaphores and Octal Semaphores
c. Counting Semaphores and Binary Semaphores
d. Critical Semaphores and System Semaphores

321. 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
a. Copy c:\rdoc a:\work
b. Copy A:\rdoc c:\work
c. Copy rdoc c:\work
d. Copy c:>work a:\doc

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

a. Copy F1+F2 F3
b. Copy F3 F1+F2
c. Copy F1+F2+F3
d. Copy F1 F2+F3

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

a. TYPE it fast
b. COPY fast.it CON
c. COPY CON fast.it
d. None of above

324. Which command is used to copy the contents of one disk to another

a. Diskcopy
b. Delete
c. Copy con
d. Ctrl + Alt

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

a. Copy a:\myfile.doc c:
b. Copy c:\myfile.doc a:
c. Copy a:\ c:\myfile.doc
d. None of the above

326. To display the content of the disk we use

a. Format
b. Dir
c. Copy
d. WinZip

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

a. Time
b. Diskcopy
c. Copy
d. Rename

328. Copy con ram.txt is

a. Copy the entire data
b. Deletes the data
c. Controlling the enter data
d. All of above

329. Who is called a supervisor of computer activity?

a. CPU
b. OS
c. Control Unit
d. Application Program

330. Font folder is located on

a. Program folder
b. Ms Word file
c. Control Panel folder
d. Desktop folder

331. From where do you change mouse setting?

a. Setting >> mouse
b. Hardware setting
c. Control panel >> mouse
d. None of the above

332. We can restore the deleted files and folders from

a. Recycle bin
b. My document
c. Control panel
d. All of the above

333. In copy con command, con stands for what?

a. Control
b. Console
c. Contrast
d. Contents

334. Outlook express lets you

a. Mail communication
b. Internet
c. Connects to ISP
d. All of above

335. Workgroup means

a. Computer in network
b. Individual user
c. Connection
d. All of the above

336. The …enables the user to load devices drivers and programs into upper memory area while running DOS in 386 or higher microprocessor
a. Himem.sys
b. Emm386.exe
c. Config.sys
d. All of above

337. A zip is a program used to

a. Speed up the computer memory
b. Speed up the disk access
c. Compress files
d. All of above

338. The core of operating system is:

a. Unix
b. Kernel
c. Command.com
d. None of these

339. The MS DOS operating system is a

a. Graphical user interface, single tasking operating system
b. Graphical user interface, multitasking operating system
c. Command driven interface, single tasking operating system
d. Command driven interface, multitasking operating system

340. Command Interpreter is also known as

a. Prompt
b. Shell
c. Command
d. DOS Prompt

341. What should be the extension to execute files?

a. EXE
b. BAT
c. COM
d. All of the above

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

a. ROM
b. The hard drive
c. CMOS
d. Cache Memory

343. The memory resident portion of operating system is called the

a. Registry
b. API
c. CMOS
d. Kernel

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

a. My computer
b. Go to Dos from Start menu
c. Click on icon on desktop
d. Type Command in run dialog box

345. Boot startup process

a. Loads system files to RAM
b. Checks the computer connections
c. Clean up the computer memory
d. Prepare the computer ready

346. The command fixes the minor errors of the disk

a. Error.fix
b. Scandisk
c. CHKDSK/f
d. Defrag

347. Which is an internal command?

a. Label
b. Verify
c. CHKDSK
d. All of above

348. The command allows you to show the status of the disk

a. Vol
b. Diskcomp
c. CHKDSK
d. Defrag

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

a. Vol
b. Diskcomp
c. CHKDSK
d. Defrag

350. Which of the following command is an internal command?

a. Del
b. Scandisk
c. CHKDSK
d. Deltree

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