complete solution
True or False? It is possible to prevent programs from being sent as email
attachments by blocking messages with .exe files attached. - correct answer
False
True or False? The operating system maintains a table indicating which
blocks of secondary memory are free. - correct answer True
Which of the following describes a file whose contents require a specific
interpretation? - correct answer Binary file
Which of the following is conceptually divided into logical records? - correct
answer Direct access file
True or False? The most widely used secondary storage device is the
magnetic disk drive. - correct answer True
Which of the following describes the amount of time it takes the platter to
rotate into the proper position for reading or writing? - correct answer Latency
Which of the following processes disk requests in the order in which they
arrive? - correct answer First-come, first-served
True or False? A file's extension dictates what type of data it contains. -
correct answer False
, True or False? The SCAN disk-scheduling algorithm is similar to the algorithm
used to manage elevators. - correct answer True
True or False? A relative path begins at the root of the directory tree. - correct
answer False
Which of the following uses an elevator-like algorithm to service disk requests
as it moves the heads from one extreme to the other? - correct answer SCAN
True or False? It is illegal to use a txt extension with an audio file. - correct
answer False
True or False? Changing a file's extension converts the data the file contains
to its new file type. - correct answer False
True or False? Both sequential files and direct access files can be stored on
either magnetic tape or magnetic disk. - correct answer True
True or False? The operating system allows you to jump to a particular record
within a sequential access file. - correct answer False
Which of the following is the topmost directory, in which all others are
contained? - correct answer Root directory
Which of the following moves the read/write heads the minimum distance
necessary to satisfy any pending request? - correct answer Shortest-seek-
time first
Which of the following describes the amount of time it takes to move the
read/write heads to the appropriate cylinder? - correct answer Seek time