OS Overview Objectives 31-45

1.       Which of the following is not advantage of multiprogramming?
1 Increased throughput
2 Shorter response time
3 Decreased operating system overhead
4 Ability to assign priorities to jobs
Ans ) 3

2.       In ______ OS, the response time is very critical.
1 Multitasking
2 Batch
3 Online
4 Real-time
Ans ) 4
3.       Consider the two statements.
(A) A network operating system, the users access remote resources in the same manner as local resource.
(B) In a distributed operating system, the user can access remote resources either by logging into the appropriate remote machine or transferring data from the remote machine to their own machine.
 Which of the statement is true?
1 A true, B false
2 B true, A false
3 Both A and B false
4 Both A and B true
Ans ) 3
4.       Which of the following will determine your choice of systems software for your computer ?
1 Is the applications software you want to use compatible with it ?
2 Is it expensive ?
3 Is it compatible with your hardware ?
4 Both 1 and 3
Ans ) 4
5.       What is a shell ?
1 It is a hardware component
2 It is a command interpreter
3 It is a part in compiler
4 It is a tool in CPU scheduling
Ans ) 2

6.       The operating system manages ________.
1 Memory
2 Processor
3 Disk and I/O devices
4 All of the above
Ans ) 4

7.       The Hardware mechanism that enables a device to notify the CPU is called __________.
1 Polling
2 Interrupt
3 System Call
4 None of the above
Ans ) 2

8.        ___________ begins at the root and follows a path down to the specified file
1 Relative path name
2 Absolute path name
3 Standalone name
4 All of the above
Ans ) 2

9.        Process State is a part of
1 Process Control block
2 Inode
3 File Allocation Table
4 None of the above
Ans ) 1
10.   The kernel keeps track of the state of each task by using a data structure called __
1 Process control block
2 User control block
3 Memory control block
4 None of the above
Ans ) 1
11.   _______ OS pays more attention on the meeting of the time limits.
1 Distributed
2 Network
3 Real time
4 Online
Ans ) 3
12.   Real time systems are ________.
1 Primarily used on mainframe computers
2 Used for monitoring events as they occur
3 Used for program development
4 Used for real time interactive users
Ans ) 2
13.   A thread is a __________ process .
1 Heavy Weight
2 Mutliprocess
3 Inter Thread
4 Light wieght
Ans ) 4
14.   Routine is not loaded until it is called. All routines are kept on disk in a re-locatable load format. The main program is loaded into memory & is executed. This type of loading is called _________
1 Static loading
2 Dynamic loading
3 Dynamic linking
4 Overlays
Ans ) 3
15.   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 __________.
1 Editors
2 Compilers
3 System Call
4 Caching

Ans ) 3

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