Chapter 8 Computer system
Q8-1.
a
Answer
Explanation
The control unit and processing unit are at the center of the flow of control for a computer.
The main memory is at the center of the flow of data. Therefore, the correct answer is a).
Q8-2.
d
Answer
Explanation
Memory broadly refers to a device that is used to store data and programs required for
processing in the operation of a computer. All data that is processed by the CPU is exchanged
between the CPU and memory.
Q8-3.
d
Answer
Explanation
Flash memory is a non-volatile type of rewriteable memory that retains the stored contents after the power is turned off. It is memory that can be rewritten any number of times. An SD
card reads and writes data using flash memory, and is used in digital cameras and mobile
phones.
Q8-4.
a
Answer
Explanation
Bluetooth is an interface that performs data transfer using wireless transmission technology. It
is used on devices such as computers, printers, PDAs, and mobile phones.
b): An interface used to connect devices such as a digital video camera or DVD-RAM device.
c): An interface that performs data transfer using infrared communication.
d): A type of flash memory.
Q8-5.
c
Answer
Explanation
Peer-to-peer is a network system in which the computers connected to a network share a mutually equal relationship, rather than dividing the roles of the computers.
Q8-6.
d
Answer
Explanation
In a client/server system, the server side should perform central management of update
processing since many clients execute processing to update databases.
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