In mainframe system,the block of data is called as __________. None of the mentioned options (ans) Record Note Both the mentioned options _________ command in UNIX can be used to display or create a new file. mv cat (ans) cp vi
A ___________ is a collection of logically related data, stored in DASD. Filesets Recordsets Datasets (ans) All the mentioned options
Files are termed as _____________ in z/OS. Recordsets Datasets (ans) All the mentioned options Filesets In which of the following type of scheduling, the processes may take very long t ime to complete, thus holding up other waiting processes in the queue? Co-operative scheduling FIFO scheduling Priority scheduling Round Robin scheduling ans fifo Which of the following is not a functional feature of the operating system? Identifies the level of software Keeps track of files and directories on the disk
Initialize the hardware of the computer system Provides a software platform on top of which other programs can run ans Provides a software platform on top of which other programs can run
Which of the following are major types of OS used in Critical Business environme nts? Both the mentioned options Multi User OS None of the mentioned options Single User Multitasking OS ans None of the mentioned options
Which of the following is a key function of an operating system? Create OS Provide an environment where the users can run the programs All of the mentioned options Sharing data ans Provide an environment where the users can run the programs
Which of the following options relate to a Multi User OS? unix All of the mentioned options Mac Windows ans unix
What percentage of system overhead will not result in poor performance for user programs? <5% >20% >10% <10%
ans <10%
Which of the following options state what happens when the scheduler decides the next task to run? (a)The scheduler unloads all the data from memory (b)The scheduler changes the process state of the selected process to running an d loads the saved data associated with that process back into the processor (c)The scheduler changes the process state of the selected process to halted (d)The processor changes the process state of the selected process to running an d loads the saved data ans b
In Windows 7,Hybrid Kernal is also called as _______________. Microsoft NT Kernal Microsoft Microsoft LT Kernal Monolithic kernal ans nt kernel
What happens when a program is executed in an application? OS schedules the process among others based on the priorities All of the mentioned options OS makes the required input and output devices available during the process OS creates a process when an instance of a program is loaded into the main memor y ans b
n mainframe system,the block of data is called as.... Note Both the mentioned options Record None of the mentioned options ans record
Memory management In which of the following methods,mentioned data in a file is stored in a contig uous section of the disk ? Contiguous Allocation method (ans) Link Allocation method
Indexed Allocation method Page Allocation Method
Which of the following is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the mem ory? Program manager Fragmentation manager Segment Manager Memory Manager (ans)
Which of the following options is true with respect to an Index Allocation metho d? The directory entry of the file in Linked Allocation method and the index block of a file helps to point the data blocks Data blocks can be scattered anywhere in the disk in Linked Allocation method All of the listed options (ans) An index block is allocated for each file that is created
Which of the following options is the responsibility of File Manager a) Provide implementation of file abstraction b) Provide directories for organizing files?
The file manager implements the abstraction Both the mentioned options (ans) File manager provides the directories for implementation None of the mentioned options
How does User Class reduce the Storage overhead incurred by Access Control Infor mation? All of the listed options
Owner Grant Permission to Group of Specified User Owner Grant Permission to Group of User (ans) Owner Grant Permission to Group of Public
