OS Mass-Storage Structures
On media that use constant linear velocity (CLV), the _____________ is uniform.
density of bits on the disk
density of bits per sector
the density of bits per track
none of the mentioned
the density of bits per track
The farther a track is from the center of the disk.
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RAID level ____ spreads parity and data among all N+1 disks rather than storing data in N disks and parity in 1.A. 3
B. 4
C. 5
D. 6
Using swap space significantly _________ system performance.
A. increases
B. decreases
C. maintains
D. does not affect
The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
A. main
B. bootloader
C. bootstrap
D. rom
An unrecoverable error is known as _________
A. hard error
B. tough error
C. soft error
D. none of the mentioned
A process is moved to wait queue when I/O request is made with ____________
A. non-blocking I/O
B. blocking I/O
C. asynchronous I/O
D. synchronous I/O
Virtual memory uses disk space as an extension of _________
A. secondary storage
B. main memory
C. tertiary storage
D. none of the mentioned
WORM stands for:
A. write only, read mandatory
B. write once, read many times
C. write only once, read multiple
D. none of the mentioned
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