Os

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? 20% >10%