OBJECTIVE QUESTION 1

1. ALU is
A. Arithmetic Logic Unit
B. Array Logic Unit
C. Application
D. None of above

Answer : (A)

2 . VGA is 
A. Video Graphics Array
B. Visual Graphics Array
C. Volatile Graphics Array
D. Video Graphics Adapter

Answer : (D) 

3. Which is not an Operation System ? 
A. Windows 95
B. MS-DOS
C. Windows 3.1
D. Windows 2000

Answer ( C) 

4.  The  operating system manages_ __ ___.
A.Memory
B.Processor
C.Disk and l/o devices
D.All of the above
Answer( d)

5. IT IS NOT THE LAYER OF THE OPERATING SYSTEM.
A.Kernel
B.Shell
C.Application
D.Critcal section
Answer( d)

6_ _ _ _ _ _ __BEGINS AT THE ROOT AND FOLLOWS A PATH DOWN TO THE SPECIFIED FILE
A.Relative path name
B.Absolute path name 
C.Standalone name
D.All of the above
Answer( b)

7. Who is called a supervisor of computer acitvity?
A CPU
B.Operating system
C.Control unit
D.Application program
Answer( b)

8. Consider the two statements. (A)Protection is an internal problem.(B) Security is considered   as an external environment within which the system works. Which of the statement is not true?
A. Only A
B. Only B
C. Both of the above
D. None of the above
Answer( d)

9. The process related to process control, file management, device management, information
about system and communication that is requested by any higher level language can be
performed by_ __ _ _ _ ___.
A. Editors
B. compilers
C. System Call
D. Caching
Answer( C )

10. Mutual exclusion
A. If one process in a critical region others are excluded
B.Prevents deadlock
C. Requires semaphores to implement
D. Is found only in the Windows NT operating system
Answer( a )