Q8-7.
b
Answer
Explanation
A measure to continue operating a system in the event of a failure is called a fault tolerant. In
general, this is achieved by building a duplexed system, and implementing measures to maintain all of the normal functions and continue processing, even in the event of a failure.
Q8-8.
a
Answer
Explanation
The OS is software that manages and controls the hardware and application software.
b): This refers to a Web browser. Examples include “Internet Explorer”, “Netscape”, and
“Firefox.”
c): This refers to e-mail software. Examples include “Microsoft Outlook”, “Lotus Notes”, and
“Eudora.”
d): This refers to word processing software. Examples include “Microsoft Word” and “Ichitaro.”
Q8-9.
b
Answer
Explanation
In order to specify the file in the directory indicated by an arrow from the directory with the
“*,” file “f” in directory B is specified starting from two (2) levels up the hierarchy. Therefore,
the correct answer is b).
Q8-10.
a
Answer
Explanation
Backing up is the process of copying files to an auxiliary storage device. It is a precautionary
measure against damage to data and programs due to failure of a computer or disk device.
Generation management is important when making a backup. It involves storing several generations of backup files from the past. Backup files are needed to recover data, but generation
management is useful when data is accidentally overwritten and old data is necessary.
b): It is a hassle to find available space time, so it lacks in convenience. Also, there is a chance
of forgetting where the files are stored.
c): Backing up files with the same file name causes previous files to be overwritten, which
prevents generation management.
d): Since files are stored on the same hard disk, it prevents recovery if there is a hard disk failure.
Q8-11.
a
Answer
Explanation
A multimedia authoring tool is a piece of software used to create multimedia combining materials such as images, sounds, and characters.
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