True-False

Front

All types of UNIX files are administered by the OS by means of inodes.

Back

True

Front

A preallocation policy requires that the maximum size of a file be declared at the time of the file creation request.

Back

True

Front

The least-complicated form of file organization is the indexed file.

Back

False

Front

Indexed allocation supports both sequential and direct access to the file and thus is the most popular form of file allocation.

Back

True

Front

Does the use of a device influence the software and policies in the operating system and supporting utilities?

Back

False

Front

Access rights are managed at the physical organization layer.

Back

False

Front

Double buffering is when a process transfers data to (or from) one buffer while the operating system empties (or fills) the other.

Back

True

Front

Does RAID 0 provide real-time backups of all data so that in the event of a disk failure, all of the critical data is still immediately available?

Back

False

Front

Does the SCAN policy favor jobs whose requests are for tracks nearest to both innermost and outermost tracks, and favors the latest arriving jobs?

Back

True

Front

Cache memory reduces average memory access time by exploiting the principle of locality.

Back

True