Q62.
Section
a
8-1 Computer component
Answer
Explanation
The external bus clock frequency is the clock frequency of the peripheral circuits, and is different from the CPU clock frequency. A clock frequency is a signal for managing the timing
of devices and circuits.
Q63.
Section
a
8-3 Software
Answer
Explanation
Middleware is software that operates between the OS and application software. It bridges the
differences between the basic software and hardware, and provides common functions for
various fields of use.
Q64.
Section
d
8-4 Hardware
Answer
Explanation
It is a question about types of displays. a), b), and d) do not require backlights, but OLED displays are the lowest in power consumption and drive voltage.
Q65.
Section
c
7-1 Basic theory
Answer
Explanation
b)
a)
d)
A Venn diagram cannot fully show four (4) convergences, and only c cannot be represented in
this diagram.
Q66.
d
Section
9-3 Database
Answer
Explanation
Roll back is a method of restoring a system when a program is program is abnormally terminated during a transaction. A pre-update journal (pre-update information) is used to restore
the system to its state just before the transaction.
Q67.
d
Section
9-4 Network
Answer
Explanation
MIME is a protocol for extending data formats that can be sent and received by e-mail. It enables the attachment of files such as word processing documents, images, and audio files,
where before only single-byte character code text formats could be handled.
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