81⟩ UNIX operating system is a(n) a. Time sharing operating system b. Multi-user operating system c. Multi-tasking operating system d. All of the above
d. All of the above
DOS (Disk Operating System)
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“DOS related Frequently Asked Questions by expert members with experience in Disk Operating System. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts”
216 DOS (Disk Operating System) Questions And Answers
82⟩ The OS used to operate the mobile phone is a a. Smart card OS b. Embedded OS c. Multi user OS d. None of above
b. Embedded OS
83⟩ .... is used in operating system to separate mechanism from policy. a. Single level implementation b. Two level implementation c. Multi level implementation d. None
b. Two level implementation
84⟩ ______ is used in operating system to separate mechanism from policy. a. Single level implementation b. Two level implementation c. Multi level implementation d. None
b. Two level implementation
85⟩ Unix Operating System is an a. Multi User Operating System b. Time Sharing Operating System c. Multi Tasking Operating System d. All the Above
d. All the Above
86⟩ Essential files of MS DOS are a. Command.com b. Io.sys c. Msdos.sys d. All of above
d. All of above
87⟩ Which command is used to open the directory? a. Open b. Chdir c. Move d. All of above
b. Chdir
88⟩ What is the function of folder? a. Save files b. Delete files c. Move files d. All of the above
d. All of the above
89⟩ The ability of an operating system to control the activities of multiple program at the same time is called a. Multitasking b. Multiprocessing c. Multioperating d. Multipaging
a. Multitasking
90⟩ Which Operating System doesn't support long file names? a. OS/2 b. Windows 95 c. MS-DOS d. Windows NT
c. MS-DOS
91⟩ We need system files to run a. MS Word b. MS Excel c. MS Dos d. MS Access
c. MS Dos
92⟩ Which button might you find in a windows title bar? a. Close button b. Maximize button c. Minimize button d. All of the above
d. All of the above
93⟩ A .... is a set of computer instructions that carry out a task on the computer. a. Program b. Database c. Memory files d. None of the above
a. Program
94⟩ The box on ..... that allows you to choose where to go and is located below the standard toolbar. a. System menu b. Address bar c. Menu bar d. None of these
b. Address bar
95⟩ Which command is used to copy system files? a. Sys b. Command c. MD d. Move
a. Sys
96⟩ Press the .... button to have the window fill the entire screen. a. Close b. Maximize c. Minimize d. none of the above
c. Minimize
97⟩ Which windows features can be accessed from the start menu? a. Help b. Windows Explorer c. Microsoft Network d. All of above
d. All of above
98⟩ While working with Ms-Dos which command transfers a specific file from one disk to another? a. Copy b. Diskcopy c. Time d. Rename
a. Copy
Explanation:
For a specific file to copy from one disk to another disk, Copy command should be used. Diskcopy copies whole disk into new disk. Time command is to display system time and Rename command just changes the name of a file.
99⟩ .... are list of commands that appear on the screen. a. GUIS b. Icons c. Menus d. Windows
c. Menus
100⟩ Which command divides the surface of the blank disk into sectors and assign a unique address to each one. a. Ver b. Format c. Fat d. Chkdsk
b. Format
Explanation:
Ver is used to display the version number of DOS in use. Fat command does not exist and Chkdsk is to check disk errors and fix it. Thus dividing surface into sectors is done by Format command.
