1.
12-70. The turntable must rotate so that the data
track passes over the optical head at which of
the following speeds?
1. 1.3 meters per second
2. 1.5 meters per second
3. 1.7 meters per second
4. 1.9 meters per second
12-71. The interface section provides control for
which of the following functions?
1.
2.
3.
4.
The transfer of data from the CD-ROM
drive to the computer
The receipt of data from the computer to
be written on the disc
Both 1 and 2 above
The transfer of data from the disc to the
control section of the drive
12-72. Storing information on a large database on
CD-ROM has which of the following
advantages?
1.
2.
3.
4.
Reduces the amount of paper storage
required
Enables the information to be quickly
retrieved
Allows the information to be quickly
cross-referenced
All of the above
12-73. In a multimedia or CD-I application, the
different types of data are distinguished by
which of the following methods?
2.
3.
4.
The control section analyzes the data to
determine what it is
All data is sent to the computer and the
computer determines what it is
A code is written at the start of each sector
to identify the type of data
The disc is divided into specific areas to
store audio, video, and program
information
106
