531. The OS used to operate the mobile phone is a

A Smart card OS
B Embedded OS
C Multiuser OS
D None of above
ANS Click D

532. 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
ANS Click B

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533. 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
ANS Click A

534. 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
ANS Click B

535. Unix Operating System is an

A Multi User Operating System
B Time Sharing Operating System
C Multi Tasking Operating System
D All the Above
ANS Click D

536. ....is used in operating system to separate mechanism from policy

A Single level implementation
B Two level implementation
C Multi level implementation
D None
ANS Click B

537. ______ is used in operating system to separate mechanism from policy

A Single level implementation
B Two level implementation
C Multi level implementation
D None
ANS Click B

538. Essential files of MS DOS are

A Command.com
B Io.sys
C Msdos.sys
D All of above
ANS Click D

539. Which Operating System doesn't support long file names?

A OS/2
B Windows 95
C MS-DOS
D Windows NT
ANS Click C

540. We need system files to run

A MS Word
B MS Excel
C MS Dos
D MS Access
ANS Click C